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Page Last Modified: September 19, 2000
| C- | CA | CB | CD | CE | CH | CI | CL | CM | CO | CP | CR | CT | CU | CY |
| Index entry | NAICS Code | U.S. NAICS Title |
|---|---|---|
| Co-generation plant construction | 234930 | Industrial Nonbuilding Structure Construction |
| Coagulation in-vitro diagnostic substances manufacturing | 325413 | In-Vitro Diagnostic Substance Manufacturing |
| Coagulation in-vivo diagnostic substances manufacturing | 325412 | Pharmaceutical Preparation Manufacturing |
| Coal and ore conveyors manufacturing | 333922 | Conveyor and Conveying Equipment Manufacturing |
| Coal beneficiating plants, anthracite | 212113 | Anthracite Mining |
| Coal beneficiating plants, bituminous or lignite (surface or underground) | 212111 | Bituminous Coal and Lignite Surface Mining |
| Coal breakers, cutters, and pulverizers manufacturing | 333131 | Mining Machinery and Equipment Manufacturing |
| Coal chutes, sheet metal, manufacturing | 332322 | Sheet Metal Work Manufacturing |
| Coal dealers, direct selling | 454319 | Other Fuel Dealers |
| Coal gasification at mine site | 211111 | Crude Petroleum and Natural Gas Extraction |
| Coal hauling, truck, local | 484220 | Specialized Freight (except Used Goods) Trucking, Local |
| Coal liquefaction at mine site | 211111 | Crude Petroleum and Natural Gas Extraction |
| Coal Mining | 2121 | Coal Mining |
| Coal mining services | 213113 | Support Activities for Coal Mining |
| Coal mining support services (tunneling, blasting, training, overburden removal) | 213113 | Support Activities for Coal Mining |
| Coal pipeline transportation | 486990 | All Other Pipeline Transportation |
| Coal pyrolysis | 211111 | Crude Petroleum and Natural Gas Extraction |
| Coal tar distillates manufacturing | 325192 | Cyclic Crude and Intermediate Manufacturing |
| Coal tar paving materials made from purchased coal tar | 324121 | Asphalt Paving Mixture and Block Manufacturing |
| Coal tar products, primary and intermediate, wholesaling | 422690 | Other Chemical and Allied Products Wholesalers |
| Coal tar resins manufacturing | 325211 | Plastics Material and Resin Manufacturing |
| Coal wholesaling | 421520 | Coal and Other Mineral and Ore Wholesalers |
| Coal, anthracite, mining and/or beneficiating | 212113 | Anthracite Mining |
| Coal, bituminous, beneficiating | 212111 | Bituminous Coal and Lignite Surface Mining |
| Coal, bituminous, underground mining or mining and beneficiating | 212112 | Bituminous Coal Underground Mining |
| Coal, brown, mining and/or beneficiating | 212111 | Bituminous Coal and Lignite Surface Mining |
| Coast Guard (except academy) | 926120 | Regulation and Administration of Transportation Programs |
| Coastal freight transportation to and from domestic ports | 483113 | Coastal and Great Lakes Freight Transportation |
| Coastal passenger transportation to and from domestic ports | 483114 | Coastal and Great Lakes Passenger Transportation |
| Coastal shipping of freight to and from domestic ports | 483113 | Coastal and Great Lakes Freight Transportation |
| Coat (e.g., barber's, beautician's, doctor's, nurse's) supply services | 812331 | Linen Supply |
| Coat hangers made from purchased wire | 332618 | Other Fabricated Wire Product Manufacturing |
| Coat linings, fur (except apparel contractors), manufacturing | 315292 | Fur and Leather Apparel Manufacturing |
| Coat linings, fur, men's and boys', cut and sew apparel contractors | 315211 | Men's and Boys' Cut and Sew Apparel Contractors |
| Coat linings, fur, women's, girls', and infants', cut and sew apparel contractors | 315212 | Women's, Girls', and Infants' Cut and Sew Apparel Contractors |
| Coat stores | 448190 | Other Clothing Stores |
| Coat trimmings fabric cut and sewn from purchased fabric (except apparel contractors) | 315999 | Other Apparel Accessories and Other Apparel Manufacturing |
| Coat trimmings, fabric, men's and boys', cut and sew apparel contractors | 315211 | Men's and Boys' Cut and Sew Apparel Contractors |
| Coat trimmings, fabric, women's, girls', and infants', cut and sew apparel contractors | 315212 | Women's, Girls', and Infants' Cut and Sew Apparel Contractors |
| Coated board made from purchased paperboard | 322226 | Surface-Coated Paperboard Manufacturing |
| Coated board made in paperboard mills | 322130 | Paperboard Mills |
| Coating and glazing of concrete surfaces construction contractors | 235990 | All Other Special Trade Contractors |
| Coating compounds, tar, made from purchased asphaltic materials | 324122 | Asphalt Shingle and Coating Materials Manufacturing |
| Coating metals and metal products for the trade | 332812 | Metal Coating, Engraving (except Jewelry and Silverware), and Allied Services to Manufacturers |
| Coating of concrete structures with plastics, construction contractors | 235990 | All Other Special Trade Contractors |
| Coating of metal and metal products with plastics for the trade | 332812 | Metal Coating, Engraving (except Jewelry and Silverware), and Allied Services to Manufacturers |
| Coating purchased light bulbs | 335110 | Electric Lamp Bulb and Part Manufacturing |
| Coating purchased papers for nonpackaging applications (except photosensitive paper) | 322222 | Coated and Laminated Paper Manufacturing |
| Coating purchased papers for packaging applications | 322221 | Coated and Laminated Packaging Paper and Plastics Film Manufacturing |
| Coating, Engraving, Heat Treating, and Allied Activities | 3328 | Coating, Engraving, Heat Treating, and Allied Activities |
| Coatings, chocolate, made from cacao beans | 311320 | Chocolate and Confectionery Manufacturing from Cacao Beans |
| Coats (except fur, leather, tailored, waterproof), women's, misses', and girls', cut and sewn from purchased fabric (ex | 315239 | Women's and Girls' Cut and Sew Other Outerwear Manufacturing |
| Coats (except fur, leather, tailored, waterproof, work), men's and boys', cut and sewn from purchased fabric (except ap | 315228 | Men's and Boys' Cut and Sew Other Outerwear Manufacturing |
| Coats (including tailored), leather or sheep-lined (except apparel contractors), manufacturing | 315292 | Fur and Leather Apparel Manufacturing |
| Coats (including tailored, leather, or sheep-lined), women's, girls', and infants', cut and sew apparel contractors | 315212 | Women's, Girls', and Infants' Cut and Sew Apparel Contractors |
| Coats, artificial leather, cut and sewn from purchased fabric (except apparel contractors) | 315292 | Fur and Leather Apparel Manufacturing |
| Coats, artificial leather, men's and boys', cut and sew apparel contractors | 315211 | Men's and Boys' Cut and Sew Apparel Contractors |
| Coats, artificial leather, women's, girls', and infants', cut and sew apparel contractors | 315212 | Women's, Girls', and Infants' Cut and Sew Apparel Contractors |
| Coats, fur (except apparel contractors), manufacturing | 315292 | Fur and Leather Apparel Manufacturing |
| Coats, fur, men's and boys', cut and sew apparel contractors | 315211 | Men's and Boys' Cut and Sew Apparel Contractors |
| Coats, fur, women's, girls', and infants', cut and sew apparel contractors | 315212 | Women's, Girls', and Infants' Cut and Sew Apparel Contractors |
| Coats, infants' (except waterproof), cut and sewn from purchased fabric (except apparel contractors) | 315291 | Infants' Cut and Sew Apparel Manufacturing |
| Coats, leather, (except apparel contractors) | 315292 | Fur and Leather Apparel Manufacturing |
| Coats, leather, men's and boys', cut and sew apparel contractors | 315211 | Men's and Boys' Cut and Sew Apparel Contractors |
| Coats, leather, women's, girls', and infants', cut and sew apparel contractors | 315212 | Women's, Girls', and Infants' Cut and Sew Apparel Contractors |
| Coats, men's and boys', cut and sew apparel contractors | 315211 | Men's and Boys' Cut and Sew Apparel Contractors |
| Coats, nontailored service apparel (e.g., laboratory, mechanics', medical), men's and boys', cut and sew apparel contra | 315211 | Men's and Boys' Cut and Sew Apparel Contractors |
| Coats, nontailored service apparel (e.g., laboratory, mechanics', medical), men's and boys', cut and sewn from purchase | 315228 | Men's and Boys' Cut and Sew Other Outerwear Manufacturing |
| Coats, nontailored service apparel (e.g., laboratory, medical, mechanics'), women's and girls', cut and sew apparel con | 315212 | Women's, Girls', and Infants' Cut and Sew Apparel Contractors |
| Coats, nontailored service apparel (e.g., laboratory, medical, mechanics'), women's, misses', and girls', cut and sewn | 315239 | Women's and Girls' Cut and Sew Other Outerwear Manufacturing |
| Coats, tailored (except fur, leather), men's and boys', cut and sewn from purchased fabric (except apparel contractors) | 315222 | Men's and Boys' Cut and Sew Suit, Coat, and Overcoat Manufacturing |
| Coats, tailored (except fur, leather), women's, misses', and girls', cut and sewn from purchased fabric | 315234 | Women's and Girls' Cut and Sew Suit, Coat, Tailored Jacket, and Skirt Manufacturing |
| Coats, waterproof (e.g., plastics, rubberized fabric, similar materials) rubberizing fabric and manufacturing coats | 315999 | Other Apparel Accessories and Other Apparel Manufacturing |
| Coats, waterproof (i.e., plastic, rubberized fabric, similar materials), men's and boy's, cut and sew apparel contracto | 315211 | Men's and Boys' Cut and Sew Apparel Contractors |
| Coats, waterproof (i.e., plastics, rubberized fabric, similar materials), women's, girls', and infants', cut and sew ap | 315212 | Women's, Girls', and Infants' Cut and Sew Apparel Contractors |
| Coats, waterproof, (e.g., plastics, rubberized fabric, similar materials) cut and sewn from purchased fabric (except ap | 315999 | Other Apparel Accessories and Other Apparel Manufacturing |
| Coats, women's, girls', and infants', cut and sew apparel contractors | 315212 | Women's, Girls', and Infants' Cut and Sew Apparel Contractors |
| Coaxial cable made in aluminum wire drawing plants | 331319 | Other Aluminum Rolling and Drawing |
| Coaxial cable wholesaling | 421610 | Electrical Apparatus and Equipment, Wiring Supplies, and Construction Material Wholesalers |
| Coaxial cable, copper, made from purchased copper in wire drawing plants | 331422 | Copper Wire (except Mechanical) Drawing |
| Coaxial cable, nonferrous metals (except aluminum, copper), made from purchased nonferrous metals (except aluminum, cop | 331491 | Nonferrous Metal (except Copper and Aluminum) Rolling, Drawing, and Extruding |
| Coaxial cable, nonferrous, made from purchased nonferrous wire | 335929 | Other Communication and Energy Wire Manufacturing |
| Coaxial connectors manufacturing | 334417 | Electronic Connector Manufacturing |
| Cobalt 60 (i.e., radioactive cobalt) manufacturing | 325188 | All Other Basic Inorganic Chemical Manufacturing |
| Cobalt chloride manufacturing | 325188 | All Other Basic Inorganic Chemical Manufacturing |
| Cobalt compounds, not specified elsewhere by process, manufacturing | 325188 | All Other Basic Inorganic Chemical Manufacturing |
| Cobalt concentrates beneficiating | 212299 | All Other Metal Ore Mining |
| Cobalt ores mining and/or beneficiating | 212299 | All Other Metal Ore Mining |
| Cobalt refining, primary | 331419 | Primary Smelting and Refining of Nonferrous Metal (except Copper and Aluminum) |
| Cobalt sulfate manufacturing | 325188 | All Other Basic Inorganic Chemical Manufacturing |
| Cocaine and derivatives (i.e., basic chemicals) manufacturing | 325411 | Medicinal and Botanical Manufacturing |
| Cocks, drain, plumbing, manufacturing | 332913 | Plumbing Fixture Fitting and Trim Manufacturing |
| Cocktail lounges | 722410 | Drinking Places (Alcoholic Beverages) |
| Cocktail mixes, dry, manufacturing | 311999 | All Other Miscellaneous Food Manufacturing |
| Cocktails, alcoholic, premixed, wholesaling | 422820 | Wine and Distilled Alcoholic Beverage Wholesalers |
| Cocoa (e.g., instant, mix, mixed with other ingredients, powder drink, powdered) made from cacao beans | 311320 | Chocolate and Confectionery Manufacturing from Cacao Beans |
| Cocoa beans wholesaling | 422590 | Other Farm Product Raw Material Wholesalers |
| Cocoa butter made from cocoa beans | 311320 | Chocolate and Confectionery Manufacturing from Cacao Beans |
| Cocoa, powdered drink, prepared, made from purchased chocolate | 311330 | Confectionery Manufacturing from Purchased Chocolate |
| Cocoa, powdered, made from purchased chocolate | 311330 | Confectionery Manufacturing from Purchased Chocolate |
| Cocoa, powdered, mixed with other ingredients, made from purchased chocolate | 311330 | Confectionery Manufacturing from Purchased Chocolate |
| Coconut oil made from purchased oils | 311225 | Fats and Oils Refining and Blending |
| Coconut oil made in crushing mills | 311223 | Other Oilseed Processing |
| Coconut tree farming | 111339 | Other Noncitrus Fruit Farming |
| Coconut, desiccated and shredded, manufacturing | 311999 | All Other Miscellaneous Food Manufacturing |
| Cod catching | 114111 | Finfish Fishing |
| Cod fishing | 114111 | Finfish Fishing |
| Cod liver oil extraction, crude, produced in a cannery | 311711 | Seafood Canning |
| Cod liver oil extraction, crude, produced in a fresh and frozen seafood plant | 311712 | Fresh and Frozen Seafood Processing |
| Cod liver oil, medicinal, uncompounded, manufacturing | 325411 | Medicinal and Botanical Manufacturing |
| Codeine and derivatives (i.e., basic chemicals) manufacturing | 325411 | Medicinal and Botanical Manufacturing |
| Coding, dating, and imprinting packaging machinery manufacturing | 333993 | Packaging Machinery Manufacturing |
| Coffee and tea (i.e., packaged) stores | 445299 | All Other Specialty Food Stores |
| Coffee carts, mobile | 722330 | Mobile Food Services |
| Coffee concentrates (i.e., instant coffee) manufacturing | 311920 | Coffee and Tea Manufacturing |
| Coffee extracts manufacturing | 311920 | Coffee and Tea Manufacturing |
| Coffee farming | 111339 | Other Noncitrus Fruit Farming |
| Coffee filters made from purchased paper | 322299 | All Other Converted Paper Product Manufacturing |
| Coffee flavoring and syrups (i.e., made from coffee) manufacturing | 311920 | Coffee and Tea Manufacturing |
| Coffee makers and urns, commercial-type, manufacturing | 333319 | Other Commercial and Service Industry Machinery Manufacturing |
| Coffee makers, household-type electric, manufacturing | 335211 | Electric Housewares and Household Fan Manufacturing |
| Coffee roasting | 311920 | Coffee and Tea Manufacturing |
| Coffee roasting and grinding machinery (i.e., food manufacturing-type) manufacturing | 333294 | Food Product Machinery Manufacturing |
| Coffee shops, on premise brewing | 722213 | Snack and Nonalcoholic Beverage Bars |
| Coffee substitute manufacturing | 311920 | Coffee and Tea Manufacturing |
| Coffee tables, wood, manufacturing | 337122 | Nonupholstered Wood Household Furniture Manufacturing |
| Coffee wholesaling | 422490 | Other Grocery and Related Products Wholesalers |
| Coffee, blended, manufacturing | 311920 | Coffee and Tea Manufacturing |
| Coffee, iced, manufacturing | 312111 | Soft Drink Manufacturing |
| Coffee, instant and freeze dried, manufacturing | 311920 | Coffee and Tea Manufacturing |
| Coffee-break service providers, direct selling | 454390 | Other Direct Selling Establishments |
| Cofferdam construction | 234990 | All Other Heavy Construction |
| Cog railway, scenic and sightseeing, operation | 487110 | Scenic and Sightseeing Transportation, Land |
| Cognitive research and development services | 541720 | Research and Development in the Social Sciences and Humanities |
| Coil winding and cutting machinery, metalworking, manufacturing | 333518 | Other Metalworking Machinery Manufacturing |
| Coiled springs (except clock, watch), light gauge, manufacturing | 332612 | Spring (Light Gauge) Manufacturing |
| Coiled springs, heavy gauge, manufacturing | 332611 | Spring (Heavy Gauge) Manufacturing |
| Coils for motors and generators manufacturing | 335312 | Motor and Generator Manufacturing |
| Coils, ignition, internal combustion engines, manufacturing | 336322 | Other Motor Vehicle Electrical and Electronic Equipment Manufacturing |
| Coils, pipe, made from purchased metal pipe | 332996 | Fabricated Pipe and Pipe Fitting Manufacturing |
| Coin counting machinery manufacturing | 333313 | Office Machinery Manufacturing |
| Coin pick-up services, parking meter | 561990 | All Other Support Services |
| Coin purses (except metal) manufacturing | 316993 | Personal Leather Good (except Women's Handbag and Purse) Manufacturing |
| Coin purses, precious metal, manufacturing | 339911 | Jewelry (except Costume) Manufacturing |
| Coin sorting machines wholesaling | 421420 | Office Equipment Wholesalers |
| Coin wrapping machines manufacturing | 333313 | Office Machinery Manufacturing |
| Coin-operated amusement machines (except jukebox) manufacturing | 339999 | All Other Miscellaneous Manufacturing |
| Coin-operated drycleaners and laundries | 812310 | Coin-Operated Laundries and Drycleaners |
| Coin-operated gambling device concession operators (i.e., supplying and servicing in others' facilities) | 713290 | Other Gambling Industries |
| Coin-operated gambling devices manufacturing | 339999 | All Other Miscellaneous Manufacturing |
| Coin-operated game machines wholesaling | 421990 | Other Miscellaneous Durable Goods Wholesalers |
| Coin-operated jukebox manufacturing | 334310 | Audio and Video Equipment Manufacturing |
| Coin-operated laundry and drycleaning routes (i.e., concession operators) | 812310 | Coin-Operated Laundries and Drycleaners |
| Coin-operated nongambling amusement device concession operators (i.e., supplying and servicing in others' facilities) | 713990 | All Other Amusement and Recreation Industries |
| Coin-operated personal service machine (e.g., blood pressure, locker, photographic, scale, shoeshine) concession operat | 812990 | All Other Personal Services |
| Coin-operated phonographs and vending machines wholesaling | 421440 | Other Commercial Equipment Wholesalers |
| Coin-operated vending machines manufacturing | 333311 | Automatic Vending Machine Manufacturing |
| Coins minting | 339911 | Jewelry (except Costume) Manufacturing |
| Coins wholesaling | 421940 | Jewelry, Watch, Precious Stone, and Precious Metal Wholesalers |
| Coke oven gas, production and distribution | 221210 | Natural Gas Distribution |
| Coke oven products (e.g., coke, gases, tars) made in coke oven establishments | 324199 | All Other Petroleum and Coal Products Manufacturing |
| Coke oven products made in steel mills | 331111 | Iron and Steel Mills |
| Coke wholesaling | 421520 | Coal and Other Mineral and Ore Wholesalers |
| Coke, petroleum, made in petroleum refineries | 324110 | Petroleum Refineries |
| Cold cathode fluorescent lamp tubes manufacturing | 335110 | Electric Lamp Bulb and Part Manufacturing |
| Cold forgings made from purchased iron or steel, unfinished | 332111 | Iron and Steel Forging |
| Cold forgings made from purchased nonferrous metals, unfinished | 332112 | Nonferrous Forging |
| Cold remedies manufacturing | 325412 | Pharmaceutical Preparation Manufacturing |
| Cold rolling mill machinery, metalworking, manufacturing | 333516 | Rolling Mill Machinery and Equipment Manufacturing |
| Cold rolling steel shapes (e.g., bar, plate, rod, sheet, strip) made from purchased steel | 331221 | Rolled Steel Shape Manufacturing |
| Cold storage locker services | 493120 | Refrigerated Warehousing and Storage |
| Cold storage machinery wholesaling | 421740 | Refrigeration Equipment and Supplies Wholesalers |
| Cold storage plant construction | 233310 | Manufacturing and Industrial Building Construction |
| Cold storage warehousing | 493120 | Refrigerated Warehousing and Storage |
| Cole slaw, fresh, manufacturing | 311991 | Perishable Prepared Food Manufacturing |
| Colemanite mining and/or beneficiating | 212391 | Potash, Soda, and Borate Mineral Mining |
| Collagen sausage casings made from purchased hides | 311612 | Meat Processed from Carcasses |
| Collapsible tubes (e.g., toothpaste, glue), metal, manufacturing | 332439 | Other Metal Container Manufacturing |
| Collar and cuff sets made in apparel knitting mills | 315191 | Outerwear Knitting Mills |
| Collar and cuff sets, women's, girls' and infants', cut and sew apparel contractors | 315212 | Women's, Girls', and Infants' Cut and Sew Apparel Contractors |
| Collar and cuff sets, women's, misses' and girls', cut and sewn from purchased fabric (except apparel contractors) | 315239 | Women's and Girls' Cut and Sew Other Outerwear Manufacturing |
| Collar leather, manufacturing | 316110 | Leather and Hide Tanning and Finishing |
| Collard farming, field, bedding plant and seed production | 111219 | Other Vegetable (except Potato) and Melon Farming |
| Collars (i.e., a machine tool accessory) manufacturing | 333515 | Cutting Tool and Machine Tool Accessory Manufacturing |
| Collars and collar pads (i.e., harness) manufacturing | 316999 | All Other Leather Good Manufacturing |
| Collars, dog, manufacturing | 316999 | All Other Leather Good Manufacturing |
| Collars, shaft for power transmission equipment, manufacturing | 333613 | Mechanical Power Transmission Equipment Manufacturing |
| Collateralized mortgage obligations (CMOs) | 525990 | Other Financial Vehicles |
| Collating machinery for printing and bookbinding manufacturing | 333293 | Printing Machinery and Equipment Manufacturing |
| Collating machinery, office-type, manufacturing | 333313 | Office Machinery Manufacturing |
| Collectible gift shops (e.g., crystal, pewter, porcelain) | 453220 | Gift, Novelty, and Souvenir Stores |
| Collecting and distributing agents, laundry and drycleaning | 812320 | Drycleaning and Laundry Services (except Coin-Operated) |
| Collection agencies | 561440 | Collection Agencies |
| Collection agencies, accounts | 561440 | Collection Agencies |
| Collection, treatment, and disposal of waste through a sewer system | 221320 | Sewage Treatment Facilities |
| Collector rings for motors and generators manufacturing | 335312 | Motor and Generator Manufacturing |
| Collector's items shops (e.g., autograph, card, coin, stamp) | 453998 | All Other Miscellaneous Store Retailers (except Tobacco Stores) |
| Collector's items, mail-order houses | 454110 | Electronic Shopping and Mail-Order Houses |
| College board preparation centers | 611691 | Exam Preparation and Tutoring |
| College entrance exam preparation instruction | 611691 | Exam Preparation and Tutoring |
| College selection services | 611710 | Educational Support Services |
| Colleges (except junior colleges) | 611310 | Colleges, Universities, and Professional Schools |
| Colleges, barber and beauty | 611511 | Cosmetology and Barber Schools |
| Colleges, community | 611210 | Junior Colleges |
| Colleges, junior | 611210 | Junior Colleges |
| Colleges, Universities, and Professional Schools | 6113 | Colleges, Universities, and Professional Schools |
| Collets (i.e., a machine tool accessory) manufacturing | 333515 | Cutting Tool and Machine Tool Accessory Manufacturing |
| Colognes manufacturing | 325620 | Toilet Preparation Manufacturing |
| Colognes wholesaling | 422210 | Drugs and Druggists' Sundries Wholesalers |
| Colonscopes, electromedical, manufacturing | 334510 | Navigational, Measuring, Electromedical, and Control Instruments Manufacturing |
| Color consulting services (i.e., personal care services) | 812199 | Other Personal Care Services |
| Color pigments, inorganic (except bone black, carbon black, lamp black), manufacturing | 325131 | Inorganic Dye and Pigment Manufacturing |
| Color pigments, organic (except animal black, bone black), manufacturing | 325132 | Synthetic Organic Dye and Pigment Manufacturing |
| Color separation services, for the printing trade | 323122 | Prepress Services |
| Colorimeters, laboratory-type, manufacturing | 334516 | Analytical Laboratory Instrument Manufacturing |
| Coloring book publishing (i.e., establishments known as publishers) | 511199 | All Other Publishers |
| Coloring books wholesaling | 421920 | Toy and Hobby Goods and Supplies Wholesalers |
| Coloring leather | 316110 | Leather and Hide Tanning and Finishing |
| Coloring metals and metal products (except coating) for the trade | 332813 | Electroplating, Plating, Polishing, Anodizing, and Coloring |
| Colostomy appliances manufacturing | 339113 | Surgical Appliance and Supplies Manufacturing |
| Columbite mining and/or beneficiating | 212299 | All Other Metal Ore Mining |
| Columbium ores mining and/or beneficiating | 212299 | All Other Metal Ore Mining |
| Columns, architectural or ornamental plaster work, manufacturing | 327420 | Gypsum Product Manufacturing |
| Columns, fractionating, manufacturing | 332420 | Metal Tank (Heavy Gauge) Manufacturing |
| Columns, porch, wood, manufacturing | 321918 | Other Millwork (including Flooring) |
| Comb cases (except metal) manufacturing | 316993 | Personal Leather Good (except Women's Handbag and Purse) Manufacturing |
| Comb cases, precious metal, manufacturing | 339911 | Jewelry (except Costume) Manufacturing |
| Combination limit and fan controls manufacturing | 334512 | Automatic Environmental Control Manufacturing for Residential, Commercial, and Appliance Use |
| Combination livestock farming (except dairy, poultry) | 112990 | All Other Animal Production |
| Combination oil and hydronic controls manufacturing | 334512 | Automatic Environmental Control Manufacturing for Residential, Commercial, and Appliance Use |
| Combines (i.e., harvester-threshers) manufacturing | 333111 | Farm Machinery and Equipment Manufacturing |
| Combing and converting top | 313312 | Textile and Fabric Finishing (except Broadwoven Fabric) Mills |
| Combing machinery for textiles manufacturing | 333292 | Textile Machinery Manufacturing |
| Combing textile fibers | 313312 | Textile and Fabric Finishing (except Broadwoven Fabric) Mills |
| Combining, agricultural | 115113 | Crop Harvesting, Primarily by Machine |
| Combs, metal, manufacturing | 332999 | All Other Miscellaneous Fabricated Metal Product Manufacturing |
| Combs, plastics, manufacturing | 326199 | All Other Plastics Product Manufacturing |
| Combs, rubber, manufacturing | 326299 | All Other Rubber Product Manufacturing |
| Combustion control instruments (except commercial, household furnace-type) manufacturing | 334513 | Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variable |
| Combustion engineering consulting services | 541330 | Engineering Services |
| Combustors, hazardous waste | 562211 | Hazardous Waste Treatment and Disposal |
| Combustors, nonhazardous solid waste | 562213 | Solid Waste Combustors and Incinerators |
| Comedians, independent | 711510 | Independent Artists, Writers, and Performers |
| Comedy troupes | 711110 | Theater Companies and Dinner Theaters |
| Comfort station operation | 812990 | All Other Personal Services |
| Comforters made from purchased fabrics | 314129 | Other Household Textile Product Mills |
| Comic book publishers | 511120 | Periodical Publishers |
| Comic book publishers and printing combined | 511120 | Periodical Publishers |
| Comic book publishing (i.e., establishments known as publishers) | 511120 | Periodical Publishers |
| Comic books flexographic printing without publishing | 323112 | Commercial Flexographic Printing |
| Comic books gravure printing without publishing | 323111 | Commercial Gravure Printing |
| Comic books lithographic (offset) printing without publishing | 323110 | Printing |
| Comic books printing (except flexographic, gravure, lithographic, screen) without publishing | 323119 | Other Commercial Printing |
| Comic books screen printing without publishing | 323113 | Commercial Screen Printing |
| Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance | 8113 | Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance |
| Commercial and Industrial Machinery and Equipment Rental and Leasing | 5324 | Commercial and Industrial Machinery and Equipment Rental and Leasing |
| Commercial and industrial machinery repair and maintenance services | 811310 | Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance |
| Commercial and institutional building construction management firms | 233320 | Commercial and Institutional Building Construction |
| Commercial and Service Industry Machinery Manufacturing | 3333 | Commercial and Service Industry Machinery Manufacturing |
| Commercial art services | 541430 | Graphic Design Services |
| Commercial artists, independent | 541430 | Graphic Design Services |
| Commercial bakeries | 311812 | Commercial Bakeries |
| Commercial banking | 522110 | Commercial Banking |
| Commercial banks | 522110 | Commercial Banking |
| Commercial building construction | 233320 | Commercial and Institutional Building Construction |
| Commercial building rental or leasing | 531120 | Lessors of Nonresidential Buildings (except Miniwarehouses) |
| Commercial credit reporting bureaus | 561450 | Credit Bureaus |
| Commercial illustration services | 541430 | Graphic Design Services |
| Commercial illustrators, independent | 541430 | Graphic Design Services |
| Commercial lighting fixtures, electric, manufacturing | 335122 | Commercial, Industrial, and Institutional Electric Lighting Fixture Manufacturing |
| Commercial note brokers' offices | 523120 | Securities Brokerage |
| Commercial paper dealing (i.e., acting as a principal in dealing securities to investors) | 523110 | Investment Banking and Securities Dealing |
| Commercial photography services | 541922 | Commercial Photography |
| Commercial property managing | 531312 | Nonresidential Property Managers |
| Commercial real estate agencies | 531210 | Offices of Real Estate Agents and Brokers |
| Commercial real estate agents' offices | 531210 | Offices of Real Estate Agents and Brokers |
| Commercial real estate property managers' offices | 531312 | Nonresidential Property Managers |
| Commercial refrigeration equipment repair and maintenance services | 811310 | Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance |
| Commercial stationery suppliers wholesaling | 422120 | Stationery and Office Supplies Wholesalers |
| Commercial timing mechanisms manufacturing | 334518 | Watch, Clock, and Part Manufacturing |
| Commercial warehouse construction, general construction contractors | 233320 | Commercial and Institutional Building Construction |
| Commercials, television, production | 512110 | Motion Picture and Video Production |
| Commissaries, primarily groceries | 445110 | Supermarkets and Other Grocery (except Convenience) Stores |
| Commodity contract trading companies | 523130 | Commodity Contracts Dealing |
| Commodity contracts brokerages | 523140 | Commodity Contracts Brokerage |
| Commodity contracts brokers' offices | 523140 | Commodity Contracts Brokerage |
| Commodity contracts dealing (i.e., acting as a principal in dealing commodities to investors) | 523130 | Commodity Contracts Dealing |
| Commodity contracts exchanges | 523210 | Securities and Commodity Exchanges |
| Commodity contracts floor brokers | 523140 | Commodity Contracts Brokerage |
| Commodity contracts floor traders (i.e., acting as a principal in dealing commodities to investors) | 523130 | Commodity Contracts Dealing |
| Commodity contracts floor trading (i.e., acting as a principal in dealing commodities to investors) | 523130 | Commodity Contracts Dealing |
| Commodity contracts options brokerages | 523140 | Commodity Contracts Brokerage |
| Commodity contracts options dealing (i.e., acting as a principal in dealing commodities to investors) | 523130 | Commodity Contracts Dealing |
| Commodity contracts traders (i.e., acting as a principal in dealing commodities to investors) | 523130 | Commodity Contracts Dealing |
| Commodity Credit Corporation | 522298 | All Other Nondepository Credit Intermediation |
| Commodity futures brokerages | 523140 | Commodity Contracts Brokerage |
| Commodity inspection services | 541990 | All Other Professional, Scientific, and Technical Services |
| Common clay mining and/or beneficiating | 212325 | Clay and Ceramic and Refractory Minerals Mining |
| Common sand quarrying and/or beneficiating | 212321 | Construction Sand and Gravel Mining |
| Common shale mining and/or beneficiating | 212325 | Clay and Ceramic and Refractory Minerals Mining |
| Communicable disease program administration | 923120 | Administration of Public Health Programs |
| Communication design services, visual | 541430 | Graphic Design Services |
| Communication equipment construction contractors | 235310 | Electrical Contractors |
| Communication equipment repair and maintenance services | 811213 | Communication Equipment Repair and Maintenance |
| Communication transmission and power line construction management firms | 234920 | Power and Communication Transmission Line Construction |
| Communications commissions | 926130 | Regulation and Administration of Communications, Electric, Gas, and Other Utilities |
| Communications Equipment Manufacturing | 3342 | Communications Equipment Manufacturing |
| Communications equipment wholesaling | 421690 | Other Electronic Parts and Equipment Wholesalers |
| Communications equipment, mobile and microwave, manufacturing | 334220 | Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing |
| Communications headgear, telephone, manufacturing | 334210 | Telephone Apparatus Manufacturing |
| Communications licensing commissions and agencies | 926130 | Regulation and Administration of Communications, Electric, Gas, and Other Utilities |
| Communications wire and cable, nonferrous, made from purchased nonferrous wire | 335929 | Other Communication and Energy Wire Manufacturing |
| Communications wire or cable made in aluminum wire drawing plants | 331319 | Other Aluminum Rolling and Drawing |
| Communications wire or cable, copper, made from purchased copper in wire drawing plants | 331422 | Copper Wire (except Mechanical) Drawing |
| Communications wire or cable, nonferrous metals (except aluminum, copper), made from purchased nonferrous metals (excep | 331491 | Nonferrous Metal (except Copper and Aluminum) Rolling, Drawing, and Extruding |
| Communion wafer manufacturing | 311812 | Commercial Bakeries |
| Community action advocacy organizations | 813319 | Other Social Advocacy Organizations |
| Community action service agencies | 624190 | Other Individual and Family Services |
| Community Care Facilities for the Elderly | 6233 | Community Care Facilities for the Elderly |
| Community centers (except recreational only), adult | 624120 | Services for the Elderly and Persons with Disabilities |
| Community centers (except recreational only), youth | 624110 | Child and Youth Services |
| Community chests | 813219 | Other Grantmaking and Giving Services |
| Community colleges | 611210 | Junior Colleges |
| Community colleges offering a wide variety of academic and technical training | 611210 | Junior Colleges |
| Community development agencies, government | 925120 | Administration of Urban Planning and Community and Rural Development |
| Community Food and Housing, and Emergency and Other Relief Services | 6242 | Community Food and Housing, and Emergency and Other Relief Services |
| Community foundations | 813211 | Grantmaking Foundations |
| Community health centers and clinics, outpatient | 621498 | All Other Outpatient Care Centers |
| Community health programs administration | 923120 | Administration of Public Health Programs |
| Community meals, social services | 624210 | Community Food Services |
| Community museums | 712110 | Museums |
| Community recreation programs, government | 924120 | Administration of Conservation Programs |
| Community social service program administration | 923130 | Administration of Human Resource Programs (except Education, Public Health, and Veterans' Affairs Programs) |
| Community theaters | 711110 | Theater Companies and Dinner Theaters |
| Commutators, electric motor, manufacturing | 335312 | Motor and Generator Manufacturing |
| Commuter air carriers, scheduled | 481111 | Scheduled Passenger Air Transportation |
| Commuter bus operation (except mixed mode) | 485113 | Bus and Other Motor Vehicle Transit Systems |
| Commuter rail systems (except mixed mode) | 485112 | Commuter Rail Systems |
| Commuter transit systems, mixed mode (e.g., bus, commuter rail, subway combination) | 485111 | Mixed Mode Transit Systems |
| Compact disc players (e.g., automotive, household-type) manufacturing | 334310 | Audio and Video Equipment Manufacturing |
| Compact discs (CDs), prerecorded, wholesaling | 421990 | Other Miscellaneous Durable Goods Wholesalers |
| Compact discs (i.e., CD-ROM), software, mass reproducing | 334611 | Software Reproducing |
| Compact discs, prerecorded audio, mass reproducing | 334612 | Prerecorded Compact Disc (except Software), Tape, and Record Reproducing |
| Compact discs, recordable or rewritable, blank, manufacturing | 334613 | Magnetic and Optical Recording Media Manufacturing |
| Compact fluorescent light bulbs manufacturing | 335110 | Electric Lamp Bulb and Part Manufacturing |
| Compacts, precious metal, manufacturing | 339911 | Jewelry (except Costume) Manufacturing |
| Compacts, solid leather, manufacturing | 316993 | Personal Leather Good (except Women's Handbag and Purse) Manufacturing |
| Companion animals production (e.g., cats, dogs, parakeets, parrots) | 112990 | All Other Animal Production |
| Companion services for disabled persons, the elderly, and persons diagnosed with mental retardation | 624120 | Services for the Elderly and Persons with Disabilities |
| Comparators, optical, manufacturing | 333314 | Optical Instrument and Lens Manufacturing |
| Compasses, gyroscopic and magnetic (except portable), manufacturing | 334511 | Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing |
| Compasses, portable magnetic-type, manufacturing | 334519 | Other Measuring and Controlling Device Manufacturing |
| Compensation consulting services | 541612 | Human Resources and Executive Search Consulting Services |
| Compensation planning services | 541612 | Human Resources and Executive Search Consulting Services |
| Compiling mailing lists | 511140 | Database and Directory Publishers |
| Complete feed, livestock, manufacturing | 311119 | Other Animal Food Manufacturing |
| Composers, independent | 711510 | Independent Artists, Writers, and Performers |
| Composite cans (i.e., foil-fiber and other combinations) manufacturing | 322214 | Fiber Can, Tube, Drum, and Similar Products Manufacturing |
| Composite Materials -- Classified according to the major constituent component (i.e., carbon, carbon graphite, ceramics | ****** | |
| Compost dumps | 562219 | Other Nonhazardous Waste Treatment and Disposal |
| Compost manufacturing | 325314 | Fertilizer (Mixing Only) Manufacturing |
| Compressed and liquefied industrial gas manufacturing | 325120 | Industrial Gas Manufacturing |
| Compressed gas cylinder valves manufacturing | 332911 | Industrial Valve Manufacturing |
| Compressed gases (except LP gas) wholesaling | 422690 | Other Chemical and Allied Products Wholesalers |
| Compression modified wood manufacturing | 321219 | Reconstituted Wood Product Manufacturing |
| Compression molding machinery for plastics manufacturing | 333220 | Plastics and Rubber Industry Machinery Manufacturing |
| Compression packings manufacturing | 339991 | Gasket, Packing, and Sealing Device Manufacturing |
| Compressor, air and gas, rental or leasing | 532490 | Other Commercial and Industrial Machinery and Equipment Rental and Leasing |
| Compressors (except air-conditioning, refrigeration) wholesaling | 421830 | Industrial Machinery and Equipment Wholesalers |
| Compressors, air and gas, general purpose-type, manufacturing | 333912 | Air and Gas Compressor Manufacturing |
| Compressors, air-conditioning, wholesaling | 421730 | Warm Air Heating and Air-Conditioning Equipment and Supplies Wholesalers |
| Compressors, motor vehicle air-conditioning, manufacturing | 336391 | Motor Vehicle Air-Conditioning Manufacturing |
| Compressors, refrigeration, wholesaling | 421740 | Refrigeration Equipment and Supplies Wholesalers |
| Computer and Electronic Product Manufacturing | 334 | Computer and Electronic Product Manufacturing |
| Computer and Peripheral Equipment Manufacturing | 3341 | Computer and Peripheral Equipment Manufacturing |
| Computer and related hardware research and development laboratories or services | 541710 | Research and Development in the Physical, Engineering, and Life Sciences |
| Computer boards, loaded, wholesaling | 421430 | Computer and Computer Peripheral Equipment and Software Wholesalers |
| Computer boards, unloaded, wholesaling | 421690 | Other Electronic Parts and Equipment Wholesalers |
| Computer cable construction contractors | 235310 | Electrical Contractors |
| Computer chips wholesaling | 421690 | Other Electronic Parts and Equipment Wholesalers |
| Computer disaster recovery services | 541519 | Other Computer Related Services |
| Computer enthusiasts clubs | 813410 | Civic and Social Organizations |
| Computer equipment repair and maintenance services without retailing new computers | 811212 | Computer and Office Machine Repair and Maintenance |
| Computer equipment stores | 443120 | Computer and Software Stores |
| Computer forms (manifold or continuous) printing | 323116 | Manifold Business Forms Printing |
| Computer furniture, metal household-type, manufacturing | 337124 | Metal Household Furniture Manufacturing |
| Computer furniture, wood household-type, manufacturing | 337122 | Nonupholstered Wood Household Furniture Manufacturing |
| Computer input preparation services | 514210 | Data Processing Services |
| Computer input/output equipment (except terminals) manufacturing | 334119 | Other Computer Peripheral Equipment Manufacturing |
| Computer operator training | 611420 | Computer Training |
| Computer paper supplies wholesaling | 422120 | Stationery and Office Supplies Wholesalers |
| Computer paper, single layered continuous, die-cut, made from purchased paper | 322231 | Die-Cut Paper and Paperboard Office Supplies Manufacturing |
| Computer peripheral equipment rental or leasing | 532420 | Office Machinery and Equipment Rental and Leasing |
| Computer peripheral equipment wholesaling | 421430 | Computer and Computer Peripheral Equipment and Software Wholesalers |
| Computer printer toner cartridges manufacturing | 325992 | Photographic Film, Paper, Plate, and Chemical Manufacturing |
| Computer printers wholesaling | 421430 | Computer and Computer Peripheral Equipment and Software Wholesalers |
| Computer program or software development, custom | 541511 | Custom Computer Programming Services |
| Computer programming schools | 611420 | Computer Training |
| Computer programming services, custom | 541511 | Custom Computer Programming Services |
| Computer rental or leasing | 532420 | Office Machinery and Equipment Rental and Leasing |
| Computer repair training | 611519 | Other Technical and Trade Schools |
| Computer servers manufacturing | 334111 | Electronic Computer Manufacturing |
| Computer service bureaus | 514210 | Data Processing Services |
| Computer software analysis and design services, custom | 541511 | Custom Computer Programming Services |
| Computer software programming services, custom | 541511 | Custom Computer Programming Services |
| Computer software publishers, packaged | 511210 | Software Publishers |
| Computer software publishing and reproduction | 511210 | Software Publishers |
| Computer software publishing including design and development, packaged (i.e., establishments known as publishers) | 511210 | Software Publishers |
| Computer software support services, custom | 541511 | Custom Computer Programming Services |
| Computer software tapes and disks, blank, rigid and floppy, manufacturing | 334613 | Magnetic and Optical Recording Media Manufacturing |
| Computer software training | 611420 | Computer Training |
| Computer software, mail-order houses | 454110 | Electronic Shopping and Mail-Order Houses |
| Computer software, packaged, wholesaling | 421430 | Computer and Computer Peripheral Equipment and Software Wholesalers |
| Computer stores | 443120 | Computer and Software Stores |
| Computer Systems Design and Related Services | 5415 | Computer Systems Design and Related Services |
| Computer systems facilities (i.e., clients' facilities) management and operation services | 541513 | Computer Facilities Management Services |
| Computer systems integration analysis and design services | 541512 | Computer Systems Design Services |
| Computer systems integration design consulting services | 541512 | Computer Systems Design Services |
| Computer systems integrator services | 541512 | Computer Systems Design Services |
| Computer terminals manufacturing | 334113 | Computer Terminal Manufacturing |
| Computer time leasing | 514210 | Data Processing Services |
| Computer time rental | 514210 | Data Processing Services |
| Computer time sharing services | 514210 | Data Processing Services |
| Computer tomography (CT-SCAN) centers | 621512 | Diagnostic Imaging Centers |
| Computer training (except repair) | 611420 | Computer Training |
| Computer video game rental | 532230 | Video Tape and Disc Rental |
| Computer-aided design (CAD) systems integration design services | 541512 | Computer Systems Design Services |
| Computer-aided engineering (CAE) systems integration design services | 541512 | Computer Systems Design Services |
| Computer-aided manufacturing (CAM) systems integration design services | 541512 | Computer Systems Design Services |
| Computerized axial tomography (CT/CAT) scanners manufacturing | 334517 | Irradiation Apparatus Manufacturing |
| Computerized environmental control systems for buildings manufacturing | 334512 | Automatic Environmental Control Manufacturing for Residential, Commercial, and Appliance Use |
| Computers manufacturing | 334111 | Electronic Computer Manufacturing |
| Computers wholesaling | 421430 | Computer and Computer Peripheral Equipment and Software Wholesalers |
| Concentrated medicinal chemicals, uncompounded, manufacturing | 325411 | Medicinal and Botanical Manufacturing |
| Concentrates, drink (except frozen fruit juice), manufacturing | 311930 | Flavoring Syrup and Concentrate Manufacturing |
| Concentrates, flavoring (except coffee based), manufacturing | 311930 | Flavoring Syrup and Concentrate Manufacturing |
| Concentrates, frozen fruit juice, manufacturing | 311411 | Frozen Fruit, Juice, and Vegetable Manufacturing |
| Concentrates, metallic, wholesaling | 421520 | Coal and Other Mineral and Ore Wholesalers |
| Concentration machinery, mining-type, manufacturing | 333131 | Mining Machinery and Equipment Manufacturing |
| Concert artists, independent | 711130 | Musical Groups and Artists |
| Concert booking agencies | 711320 | Promoters of Performing Arts, Sports, and Similar Events without Facilities |
| Concert hall operators | 711310 | Promoters of Performing Arts, Sports, and Similar Events with Facilities |
| Concert hall, no promotion of events, rental or leasing | 531120 | Lessors of Nonresidential Buildings (except Miniwarehouses) |
| Concert managers with facilities | 711310 | Promoters of Performing Arts, Sports, and Similar Events with Facilities |
| Concert managers without facilities | 711320 | Promoters of Performing Arts, Sports, and Similar Events without Facilities |
| Concert organizers with facilities | 711310 | Promoters of Performing Arts, Sports, and Similar Events with Facilities |
| Concert organizers without facilities | 711320 | Promoters of Performing Arts, Sports, and Similar Events without Facilities |
| Concert promoters with facilities | 711310 | Promoters of Performing Arts, Sports, and Similar Events with Facilities |
| Concert promoters without facilities | 711320 | Promoters of Performing Arts, Sports, and Similar Events without Facilities |
| Concession operators, amusement device (except gambling) and ride | 713990 | All Other Amusement and Recreation Industries |
| Concession stands, mobile | 722330 | Mobile Food Services |
| Concierge services | 812990 | All Other Personal Services |
| Conciliation and mediation services, government | 926150 | Regulation, Licensing, and Inspection of Miscellaneous Commercial Sectors |
| Concrete (e.g., roads, highways, public sidewalks, streets) construction contractors | 234110 | Highway and Street Construction |
| Concrete additive preparations (e.g., curing, hardening) manufacturing | 325998 | All Other Miscellaneous Chemical Product and Preparation Manufacturing |
| Concrete additives wholesaling | 422690 | Other Chemical and Allied Products Wholesalers |
| Concrete batch plants (including temporary) | 327320 | Ready-Mix Concrete Manufacturing |
| Concrete block laying construction contractors | 235410 | Masonry and Stone Contractors |
| Concrete breaking and cutting construction contractors | 235940 | Wrecking and Demolition Contractors |
| Concrete building products wholesaling | 421320 | Brick, Stone, and Related Construction Material Wholesalers |
| Concrete construction contractors (i.e., parking areas, private driveways, sidewalks) | 235710 | Concrete Contractors |
| Concrete Contractors | 2357 | Concrete Contractors |
| Concrete finishing construction contractors | 235710 | Concrete Contractors |
| Concrete finishing machinery manufacturing | 333120 | Construction Machinery Manufacturing |
| Concrete form construction contractors | 235990 | All Other Special Trade Contractors |
| Concrete forms, sheet metal, manufacturing | 332322 | Sheet Metal Work Manufacturing |
| Concrete furniture (e.g., benches, tables) manufacturing | 327390 | Other Concrete Product Manufacturing |
| Concrete gunning equipment manufacturing | 333120 | Construction Machinery Manufacturing |
| Concrete mixing machinery, portable, manufacturing | 333120 | Construction Machinery Manufacturing |
| Concrete processing equipment wholesaling | 421810 | Construction and Mining (except Oil Well) Machinery and Equipment Wholesalers |
| Concrete products (e.g., structural precast or prestressed), placement, construction contractors | 235910 | Structural Steel Erection Contractors |
| Concrete products forming machinery manufacturing | 333298 | All Other Industrial Machinery Manufacturing |
| Concrete products, precast (except block, brick and pipe), manufacturing | 327390 | Other Concrete Product Manufacturing |
| Concrete pumping construction contractors | 235710 | Concrete Contractors |
| Concrete reinforcement placement, construction contractors | 235910 | Structural Steel Erection Contractors |
| Concrete reinforcing bars manufacturing | 332312 | Fabricated Structural Metal Manufacturing |
| Concrete reinforcing bars wholesaling | 421510 | Metal Service Centers and Offices |
| Concrete reinforcing mesh made from purchased wire | 332618 | Other Fabricated Wire Product Manufacturing |
| Concrete tanks manufacturing | 327390 | Other Concrete Product Manufacturing |
| Concrete, dry mixture, manufacturing | 327999 | All Other Miscellaneous Nonmetallic Mineral Product Manufacturing |
| Condensate, cycle, natural gas production | 211112 | Natural Gas Liquid Extraction |
| Condensed and evaporated milk machinery manufacturing | 333294 | Food Product Machinery Manufacturing |
| Condensed milk manufacturing | 311514 | Dry, Condensed, and Evaporated Dairy Product Manufacturing |
| Condensed, evaporated or powdered whey, manufacturing | 311514 | Dry, Condensed, and Evaporated Dairy Product Manufacturing |
| Condenser boxes, metal, manufacturing | 332410 | Power Boiler and Heat Exchanger Manufacturing |
| Condensers (except electronic), fixed and variable, manufacturing | 335999 | All Other Miscellaneous Electrical Equipment and Component Manufacturing |
| Condensers, electronic, manufacturing | 334414 | Electronic Capacitor Manufacturing |
| Condensers, electronic, wholesaling | 421690 | Other Electronic Parts and Equipment Wholesalers |
| Condensers, steam, manufacturing | 332410 | Power Boiler and Heat Exchanger Manufacturing |
| Condensers, synchronous, electric, manufacturing | 335312 | Motor and Generator Manufacturing |
| Condensing units (except air-conditioning, refrigeration) wholesaling | 421830 | Industrial Machinery and Equipment Wholesalers |
| Condensing units, air-conditioning, wholesaling | 421730 | Warm Air Heating and Air-Conditioning Equipment and Supplies Wholesalers |
| Condensing units, refrigeration, wholesaling | 421740 | Refrigeration Equipment and Supplies Wholesalers |
| Condom manufacturing | 326299 | All Other Rubber Product Manufacturing |
| Condominium corporations | 813990 | Other Similar Organizations (except Business, Professional, Labor, and Political Organizations) |
| Condominium managers' offices, commercial | 531312 | Nonresidential Property Managers |
| Condominium managers' offices, residential | 531311 | Residential Property Managers |
| Condominium owners' associations | 813990 | Other Similar Organizations (except Business, Professional, Labor, and Political Organizations) |
| Condominium time share exchange services | 561599 | All Other Travel Arrangement and Reservation Services |
| Condominiums, multifamily, construction | 233220 | Multifamily Housing Construction |
| Conductor connectors, solderless connectors, sleeves, or soldering lugs, manufacturing | 335931 | Current-Carrying Wiring Device Manufacturing |
| Conduit construction | 234920 | Power and Communication Transmission Line Construction |
| Conduit, vitrified clay, manufacturing | 327123 | Other Structural Clay Product Manufacturing |
| Conduit, welded and lock joint, made from purchased iron or steel | 331210 | Iron and Steel Pipe and Tube Manufacturing from Purchased Steel |
| Conduits and fittings, electrical, manufacturing | 335932 | Noncurrent-Carrying Wiring Device Manufacturing |
| Conduits, concrete, manufacturing | 327332 | Concrete Pipe Manufacturing |
| Cones (e.g., winding yarn, string, ribbon, cloth), fiber, made from purchased paperboard | 322214 | Fiber Can, Tube, Drum, and Similar Products Manufacturing |
| Cones, ice cream, manufacturing | 311821 | Cookie and Cracker Manufacturing |
| Cones, pyrometric, earthenware, manufacturing | 327112 | Vitreous China, Fine Earthenware, and Other Pottery Product Manufacturing |
| Confectioner's beet sugar manufacturing | 311313 | Beet Sugar Manufacturing |
| Confectioner's powdered sugar made from purchased raw cane sugar | 311312 | Cane Sugar Refining |
| Confectionery chocolate made from cacao beans | 311320 | Chocolate and Confectionery Manufacturing from Cacao Beans |
| Confectionery machinery manufacturing | 333294 | Food Product Machinery Manufacturing |
| Confectionery snack shops, made on premises with carryout services | 722213 | Snack and Nonalcoholic Beverage Bars |
| Confectionery stores, packaged, retailing only | 445292 | Confectionery and Nut Stores |
| Confectionery wholesaling | 422450 | Confectionery Wholesalers |
| Confectionery, nonchocolate, manufacturing | 311340 | Nonchocolate Confectionery Manufacturing |
| Conference center, no promotion of events, rental or leasing | 531120 | Lessors of Nonresidential Buildings (except Miniwarehouses) |
| Confetti made from purchased paper | 322299 | All Other Converted Paper Product Manufacturing |
| Congress of the United States | 921120 | Legislative Bodies |
| Connecting rods, automotive and truck gasoline engine, manufacturing | 336312 | Gasoline Engine and Engine Parts Manufacturing |
| Connectors and terminals for electrical devices manufacturing | 335931 | Current-Carrying Wiring Device Manufacturing |
| Connectors, electric cord, manufacturing | 335931 | Current-Carrying Wiring Device Manufacturing |
| Connectors, electronic (e.g., coaxial, cylindrical, printed circuit, rack and panel), manufacturing | 334417 | Electronic Connector Manufacturing |
| Connectors, electronic, wholesaling | 421690 | Other Electronic Parts and Equipment Wholesalers |
| Connectors, power, manufacturing | 335313 | Switchgear and Switchboard Apparatus Manufacturing |
| Connectors, solderless (wiring devices), manufacturing | 335931 | Current-Carrying Wiring Device Manufacturing |
| Connectors, twist on wire (i.e., nuts), manufacturing | 335931 | Current-Carrying Wiring Device Manufacturing |
| Conservation advocacy organizations | 813312 | Environment, Conservation and Wildlife Organizations |
| Conservation and development construction | 234990 | All Other Heavy Construction |
| Conservation and reclamation agencies | 924120 | Administration of Conservation Programs |
| Conservation areas | 712190 | Nature Parks and Other Similar Institutions |
| Conservatories of music (colleges or universities) | 611310 | Colleges, Universities, and Professional Schools |
| Conservatories, botanical | 712130 | Zoos and Botanical Gardens |
| Conservators, independent | 711510 | Independent Artists, Writers, and Performers |
| Conservatory of music (except academic) | 611610 | Fine Arts Schools |
| Consignment shops, used | 453310 | Used Merchandise Stores |
| Constant velocity joints, automotive, truck, and bus, manufacturing | 336350 | Motor Vehicle Transmission and Power Train Parts Manufacturing |
| Constituencies' associations, political party | 813940 | Political Organizations |
| Construction | 23 | Construction |
| Construction adhesives (except asphalt, gypsum base) manufacturing | 325520 | Adhesive Manufacturing |
| Construction associations | 813910 | Business Associations |
| Construction engineering services | 541330 | Engineering Services |
| Construction form rental | 532412 | Construction, Mining, and Forestry Machinery and Equipment Rental and Leasing |
| Construction lending | 522292 | Real Estate Credit |
| Construction machinery and equipment rental or leasing without operator | 532412 | Construction, Mining, and Forestry Machinery and Equipment Rental and Leasing |
| Construction machinery and equipment repair and maintenance services | 811310 | Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance |
| Construction machinery and equipment wholesaling | 421810 | Construction and Mining (except Oil Well) Machinery and Equipment Wholesalers |
| Construction machinery manufacturing | 333120 | Construction Machinery Manufacturing |
| Construction management firms, bridge and tunnel | 234120 | Bridge and Tunnel Construction |
| Construction management firms, commercial and institutional building firms | 233320 | Commercial and Institutional Building Construction |
| Construction management firms, highway and street | 234110 | Highway and Street Construction |
| Construction management firms, industrial nonbuilding | 234930 | Industrial Nonbuilding Structure Construction |
| Construction management firms, manufacturing and industrial building | 233310 | Manufacturing and Industrial Building Construction |
| Construction management firms, multifamily | 233220 | Multifamily Housing Construction |
| Construction management firms, nonbuilding (except industrial) | 234990 | All Other Heavy Construction |
| Construction management firms, power and communication transmission line | 234920 | Power and Communication Transmission Line Construction |
| Construction management firms, single family | 233210 | Single Family Housing Construction |
| Construction management firms, water, sewer and pipeline | 234910 | Water, Sewer, and Pipeline Construction |
| Construction materials, electrical, wholesaling | 421610 | Electrical Apparatus and Equipment, Wiring Supplies, and Construction Material Wholesalers |
| Construction paper, school and art, made from purchased paper | 322233 | Stationery, Tablet, and Related Product Manufacturing |
| Construction paper, school and art, made in paper mills | 322121 | Paper (except Newsprint) Mills |
| Construction sand and gravel beneficiating (e.g., grinding, screening, washing) | 212321 | Construction Sand and Gravel Mining |
| Construction sand or gravel dredging | 212321 | Construction Sand and Gravel Mining |
| Construction-type tractors and attachments manufacturing | 333120 | Construction Machinery Manufacturing |
| Consulates | 928120 | International Affairs |
| Consultants -- see specific activity | ****** | |
| Consultants' associations | 813920 | Professional Organizations |
| Consultants', real estate (except appraisers), offices | 531390 | Other Activities Related to Real Estate |
| Consulting engineers' offices | 541330 | Engineering Services |
| Consulting engineers' private practices | 541330 | Engineering Services |
| Consumer buying services | 812990 | All Other Personal Services |
| Consumer credit counseling services | 541990 | All Other Professional, Scientific, and Technical Services |
| Consumer credit reporting bureaus | 561450 | Credit Bureaus |
| Consumer electronics rental | 532210 | Consumer Electronics and Appliances Rental |
| Consumer electronics repair and maintenance services without retailing new consumer electronics | 811211 | Consumer Electronics Repair and Maintenance |
| Consumer electronics wholesaling | 421620 | Electrical Appliance, Television, and Radio Set Wholesalers |
| Consumer finance companies (i.e., unsecured cash loans) | 522291 | Consumer Lending |
| Consumer Goods Rental | 5322 | Consumer Goods Rental |
| Consumer product safety commissions | 922190 | Other Justice, Public Order, and Safety Activities |
| Consumer protection offices | 926110 | Administration of General Economic Programs |
| Consumer-type electronic stores (e.g., radio, television, video camera) | 443112 | Radio, Television, and Other Electronics Stores |
| Consumption meters (e.g., gas, water) manufacturing | 334514 | Totalizing Fluid Meter and Counting Device Manufacturing |
| Contact lens insurance, direct | 524128 | Other Direct Insurance (except Life, Health, and Medical) Carriers |
| Contact lenses manufacturing | 339115 | Ophthalmic Goods Manufacturing |
| Contact lenses wholesaling | 421460 | Ophthalmic Goods Wholesalers |
| Contacts, electrical (except carbon and graphite), manufacturing | 335931 | Current-Carrying Wiring Device Manufacturing |
| Contacts, electrical, carbon and graphite, manufacturing | 335991 | Carbon and Graphite Product Manufacturing |
| Container board stock manufacturing | 322130 | Paperboard Mills |
| Container ship building | 336611 | Ship Building and Repairing |
| Container trucking services, local | 484110 | General Freight Trucking, Local |
| Container trucking services, long-distance | 484121 | General Freight Trucking, Long-Distance, Truckload |
| Containers for packaging, bottling, and canning, glass, manufacturing | 327213 | Glass Container Manufacturing |
| Containers, air cargo, metal, manufacturing | 332439 | Other Metal Container Manufacturing |
| Containers, foil (except bags), manufacturing | 332999 | All Other Miscellaneous Fabricated Metal Product Manufacturing |
| Containers, industrial, wholesaling | 421840 | Industrial Supplies Wholesalers |
| Containers, light gauge metal (except cans), manufacturing | 332439 | Other Metal Container Manufacturing |
| Containers, paper and disposable plastics, wholesaling | 422130 | Industrial and Personal Service Paper Wholesalers |
| Containers, wood, manufacturing | 321920 | Wood Container and Pallet Manufacturing |
| Contemporary art museums | 712110 | Museums |
| Contemporary dance companies | 711120 | Dance Companies |
| Continuing care retirement communities | 623311 | Continuing Care Retirement Communities |
| Contraceptive preparations manufacturing | 325412 | Pharmaceutical Preparation Manufacturing |
| Contract services for oil and gas fields | 213112 | Support Activities for Oil and Gas Operations |
| Contractors -- see specific activity | ****** | |
| Contractors' associations | 813910 | Business Associations |
| Contractors, men's and boys', cut and sew apparel | 315211 | Men's and Boys' Cut and Sew Apparel Contractors |
| Contractors, women's, girls' and infants', cut and sew apparel | 315212 | Women's, Girls', and Infants' Cut and Sew Apparel Contractors |
| Contrast media in-vivo diagnostic substances (e.g., iodine, barium) manufacturing | 325412 | Pharmaceutical Preparation Manufacturing |
| Control circuit devices, magnet and solid-state, manufacturing | 335314 | Relay and Industrial Control Manufacturing |
| Control circuit relays, industrial, manufacturing | 335314 | Relay and Industrial Control Manufacturing |
| Control equipment, electric, manufacturing | 335314 | Relay and Industrial Control Manufacturing |
| Control panels, electric power distribution, manufacturing | 335313 | Switchgear and Switchboard Apparatus Manufacturing |
| Control transformers manufacturing | 335311 | Power, Distribution, and Specialty Transformer Manufacturing |
| Control valves, fluid power, manufacturing | 332912 | Fluid Power Valve and Hose Fitting Manufacturing |
| Control valves, industrial-type, manufacturing | 332911 | Industrial Valve Manufacturing |
| Controller's and comptrollers' offices, government | 921130 | Public Finance Activities |
| Controllers for process variables (e.g., electric, electronic, mechanical, pneumatic operation) manufacturing | 334513 | Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variable |
| Controlling equipment, street light, manufacturing | 334290 | Other Communications Equipment Manufacturing |
| Controls and control accessories, industrial, manufacturing | 335314 | Relay and Industrial Control Manufacturing |
| Controls for adjustable speed drives manufacturing | 335314 | Relay and Industrial Control Manufacturing |
| Controls, revolution and timing instruments, manufacturing | 334514 | Totalizing Fluid Meter and Counting Device Manufacturing |
| Convalescent homes or convalescent hospitals (except psychiatric) | 623110 | Nursing Care Facilities |
| Convalescent homes or hospitals for psychiatric patients | 623220 | Residential Mental Health and Substance Abuse Facilities |
| Convalescent supply stores | 446199 | All Other Health and Personal Care Stores |
| Convection ovens (including portable), household-type, manufacturing | 335221 | Household Cooking Appliance Manufacturing |
| Convenience food stores | 445120 | Convenience Stores |
| Convenience food with gasoline stations | 447110 | Gasoline Stations with Convenience Stores |
| Convenience outlets, electric, manufacturing | 335931 | Current-Carrying Wiring Device Manufacturing |
| Convention and visitors bureaus | 561591 | Convention and Visitors Bureaus |
| Convention bureaus | 561591 | Convention and Visitors Bureaus |
| Convention center, no promotion of events, rental or leasing | 531120 | Lessors of Nonresidential Buildings (except Miniwarehouses) |
| Convention managers | 561920 | Convention and Trade Show Organizers |
| Convention organizers | 561920 | Convention and Trade Show Organizers |
| Convention promoters | 561920 | Convention and Trade Show Organizers |
| Convention services | 561920 | Convention and Trade Show Organizers |
| Convents (except schools) | 813110 | Religious Organizations |
| Converted Paper Product Manufacturing | 3222 | Converted Paper Product Manufacturing |
| Converters, broadwoven piece goods | 313311 | Broadwoven Fabric Finishing Mills |
| Converters, phase and rotary, electrical equipment, manufacturing | 335312 | Motor and Generator Manufacturing |
| Convertible sofas (except futons) manufacturing | 337121 | Upholstered Household Furniture Manufacturing |
| Convertible tops for automotive, truck, and bus, manufacturing | 336399 | All Other Motor Vehicle Parts Manufacturing |
| Converting textiles, broadwoven | 313311 | Broadwoven Fabric Finishing Mills |
| Converting textiles, narrow woven | 313312 | Textile and Fabric Finishing (except Broadwoven Fabric) Mills |
| Convertors, leather | 316110 | Leather and Hide Tanning and Finishing |
| Convertors, narrow woven piece goods | 313312 | Textile and Fabric Finishing (except Broadwoven Fabric) Mills |
| Conveying equipment (except farm) wholesaling | 421830 | Industrial Machinery and Equipment Wholesalers |
| Conveying equipment, farm, wholesaling | 421820 | Farm and Garden Machinery and Equipment Wholesalers |
| Conveyor belts, rubber, manufacturing | 326220 | Rubber and Plastics Hoses and Belting Manufacturing |
| Conveyor system construction contractors | 235950 | Building Equipment and Other Machinery Installation Contractors |
| Conveyors, farm-type, manufacturing | 333922 | Conveyor and Conveying Equipment Manufacturing |
| Cooked meats made from purchased carcasses | 311612 | Meat Processed from Carcasses |
| Cookie dough made from purchased flour | 311822 | Flour Mixes and Dough Manufacturing from Purchased Flour |
| Cookie shops, on premise baking and carryout service | 722213 | Snack and Nonalcoholic Beverage Bars |
| Cookies manufacturing | 311821 | Cookie and Cracker Manufacturing |
| Cookies wholesaling | 422490 | Other Grocery and Related Products Wholesalers |
| Cookies, filled, manufacturing | 311821 | Cookie and Cracker Manufacturing |
| Cooking appliances (except convection, microwave ovens), household-type electric portable, manufacturing | 335211 | Electric Housewares and Household Fan Manufacturing |
| Cooking chocolate made from cacao beans | 311320 | Chocolate and Confectionery Manufacturing from Cacao Beans |
| Cooking equipment (i.e., fryers, microwave ovens, ovens, ranges), commercial-type, manufacturing | 333319 | Other Commercial and Service Industry Machinery Manufacturing |
| Cooking equipment, commercial, wholesaling | 421440 | Other Commercial Equipment Wholesalers |
| Cooking equipment, electric household-type, wholesaling | 421620 | Electrical Appliance, Television, and Radio Set Wholesalers |
| Cooking equipment, gas, household-type, wholesaling | 421720 | Plumbing and Heating Equipment and Supplies (Hydronics) Wholesalers |
| Cooking oils wholesaling | 422490 | Other Grocery and Related Products Wholesalers |
| Cooking schools | 611519 | Other Technical and Trade Schools |
| Cooking utensils, cast iron, manufacturing | 331511 | Iron Foundries |
| Cooking utensils, fabricated metal, manufacturing | 332214 | Kitchen Utensil, Pot, and Pan Manufacturing |
| Cooking utensils, glass and glass ceramic, made in glass making plants | 327212 | Other Pressed and Blown Glass and Glassware Manufacturing |
| Cooking utensils, household-type, wholesaling | 421220 | Home Furnishing Wholesalers |
| Cooking ware (e.g., stoneware, coarse earthenware, pottery), manufacturing | 327112 | Vitreous China, Fine Earthenware, and Other Pottery Product Manufacturing |
| Cooking ware made from purchased glass | 327215 | Glass Product Manufacturing Made of Purchased Glass |
| Cooking ware made in glass making plants | 327212 | Other Pressed and Blown Glass and Glassware Manufacturing |
| Cooking ware, china, manufacturing | 327112 | Vitreous China, Fine Earthenware, and Other Pottery Product Manufacturing |
| Cooking ware, fine earthenware, manufacturing | 327112 | Vitreous China, Fine Earthenware, and Other Pottery Product Manufacturing |
| Cooled air distribution | 221330 | Steam and Air-Conditioning Supply |
| Coolers or ice chests, plastics (except foam), manufacturing | 326199 | All Other Plastics Product Manufacturing |
| Coolers or ice chests, polystyrene foam, manufacturing | 326140 | Polystyrene Foam Product Manufacturing |
| Coolers, refrigeration, manufacturing | 333415 | Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing |
| Coolers, water, manufacturing | 333415 | Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing |
| Cooling tower construction contractors | 235910 | Structural Steel Erection Contractors |
| Cooling towers manufacturing | 333415 | Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing |
| Cooperage manufacturing | 321920 | Wood Container and Pallet Manufacturing |
| Cooperage stock (e.g., heading, hoops, stoves) manufacturing | 321920 | Wood Container and Pallet Manufacturing |
| Cooperage stock mills | 321920 | Wood Container and Pallet Manufacturing |
| Cooperage stock wholesaling | 421840 | Industrial Supplies Wholesalers |
| Cooperative apartment managers' offices | 531311 | Residential Property Managers |
| Cooperative construction | 233220 | Multifamily Housing Construction |
| Cooperative hospital laundries (i.e., linen supply services) | 812331 | Linen Supply |
| Cooperative life insurance organizations | 524113 | Direct Life Insurance Carriers |
| Cooperative owners' associations | 813990 | Other Similar Organizations (except Business, Professional, Labor, and Political Organizations) |
| Coopered tubs manufacturing | 321920 | Wood Container and Pallet Manufacturing |
| Coordinate and contour measuring machines, machinists' precision tools, manufacturing | 332212 | Hand and Edge Tool Manufacturing |
| Copier rental or leasing | 532420 | Office Machinery and Equipment Rental and Leasing |
| Coping, wall, clay, manufacturing | 327123 | Other Structural Clay Product Manufacturing |
| Copings, concrete, manufacturing | 327390 | Other Concrete Product Manufacturing |
| Copper alloy castings (except die-castings), unfinished, manufacturing | 331525 | Copper Foundries (except Die-Casting) |
| Copper alloys (e.g., brass, bronze) made from purchased metal or scrap | 331423 | Secondary Smelting, Refining, and Alloying of Copper |
| Copper alloys made in primary copper smelting and refining mills | 331411 | Primary Smelting and Refining of Copper |
| Copper and copper-based shapes (e.g., cake, ingot, slag, wire bar) made from purchased metal or scrap | 331423 | Secondary Smelting, Refining, and Alloying of Copper |
| Copper base pigments manufacturing | 325131 | Inorganic Dye and Pigment Manufacturing |
| Copper beneficiating plants | 212234 | Copper Ore and Nickel Ore Mining |
| Copper chloride manufacturing | 325188 | All Other Basic Inorganic Chemical Manufacturing |
| Copper cleaners manufacturing | 325612 | Polish and Other Sanitation Good Manufacturing |
| Copper compounds, not specified elsewhere by process, manufacturing | 325188 | All Other Basic Inorganic Chemical Manufacturing |
| Copper concentrate refining | 331411 | Primary Smelting and Refining of Copper |
| Copper die-casting foundries | 331522 | Nonferrous (except Aluminum) Die-Casting Foundries |
| Copper die-castings, unfinished, manufacturing | 331522 | Nonferrous (except Aluminum) Die-Casting Foundries |
| Copper foil made from purchased metal or scrap | 331421 | Copper Rolling, Drawing, and Extruding |
| Copper foil not made in rolling mills | 332999 | All Other Miscellaneous Fabricated Metal Product Manufacturing |
| Copper forgings made from purchased metals, unfinished | 332112 | Nonferrous Forging |
| Copper foundries (except die-casting) | 331525 | Copper Foundries (except Die-Casting) |
| Copper iodide manufacturing | 325188 | All Other Basic Inorganic Chemical Manufacturing |
| Copper ore concentrates recovery | 212234 | Copper Ore and Nickel Ore Mining |
| Copper ore mine site development for own account | 212234 | Copper Ore and Nickel Ore Mining |
| Copper ores mining and/or beneficiating | 212234 | Copper Ore and Nickel Ore Mining |
| Copper powder, flakes, and paste made from purchased copper | 331423 | Secondary Smelting, Refining, and Alloying of Copper |
| Copper products (except communication wire, energy wire) made by drawing purchased copper | 331421 | Copper Rolling, Drawing, and Extruding |
| Copper products (except communication wire, energy wire) made by rolling, drawing, or extruding purchased copper | 331421 | Copper Rolling, Drawing, and Extruding |
| Copper products (except communication wire, energy wire) made in integrated secondary smelting and extruding mills | 331421 | Copper Rolling, Drawing, and Extruding |
| Copper products (except communication wire, energy wire) made in integrated secondary smelting mills and drawing plants | 331421 | Copper Rolling, Drawing, and Extruding |
| Copper secondary smelting and alloying | 331423 | Secondary Smelting, Refining, and Alloying of Copper |
| Copper secondary smelting and refining from purchased metal or scrap | 331423 | Secondary Smelting, Refining, and Alloying of Copper |
| Copper shapes (e.g., bar, billet, ingot, plate, sheet) made in primary copper smelting and refining mills | 331411 | Primary Smelting and Refining of Copper |
| Copper smelting and refining, primary | 331411 | Primary Smelting and Refining of Copper |
| Copper smithing contractors, in connection with construction work | 235610 | Roofing, Siding, and Sheet Metal Contractors |
| Copper sulfate manufacturing | 325188 | All Other Basic Inorganic Chemical Manufacturing |
| Copper-water precipitates | 212234 | Copper Ore and Nickel Ore Mining |
| Copy centers (except combined with printing services) | 561439 | Other Business Service Centers (including Copy Shops) |
| Copy shops (except combined with printing services) | 561439 | Other Business Service Centers (including Copy Shops) |
| Copying machines wholesaling | 421420 | Office Equipment Wholesalers |
| Cord (except tire, wire) manufacturing | 314991 | Rope, Cordage, and Twine Mills |
| Cord connectors, electric, manufacturing | 335931 | Current-Carrying Wiring Device Manufacturing |
| Cord for reinforcing rubber tires, industrial belting, and fuel cells manufacturing | 314992 | Tire Cord and Tire Fabric Mills |
| Cord sets, flexible, made from purchased copper in wire drawing plants | 331422 | Copper Wire (except Mechanical) Drawing |
| Cord sets, flexible, made in aluminum wire drawing plants | 331319 | Other Aluminum Rolling and Drawing |
| Cord sets, flexible, nonferrous metals (except aluminum, copper), made from purchased nonferrous metals (except aluminu | 331491 | Nonferrous Metal (except Copper and Aluminum) Rolling, Drawing, and Extruding |
| Cordage (except wire) manufacturing | 314991 | Rope, Cordage, and Twine Mills |
| Cordage and rope (except wire) making machines manufacturing | 333292 | Textile Machinery Manufacturing |
| Cordage wholesaling | 421840 | Industrial Supplies Wholesalers |
| Cordite explosive materials manufacturing | 325920 | Explosives Manufacturing |
| Cordless telephones (except cellular) manufacturing | 334210 | Telephone Apparatus Manufacturing |
| Cords and braids, narrow woven, manufacturing | 313221 | Narrow Fabric Mills |
| Corduroys weaving | 313210 | Broadwoven Fabric Mills |
| Core baking and mold drying ovens manufacturing | 333994 | Industrial Process Furnace and Oven Manufacturing |
| Core cutting in oil and gas wells, on a contract basis | 213112 | Support Activities for Oil and Gas Operations |
| Core drilling, exploration services, oil and gas field | 213112 | Support Activities for Oil and Gas Operations |
| Core drills, underground mining-type, manufacturing | 333131 | Mining Machinery and Equipment Manufacturing |
| Cores (i.e., all-fiber, nonfiber ends of any material), fiber, made from purchased paperboard | 322214 | Fiber Can, Tube, Drum, and Similar Products Manufacturing |
| Cores, bullet (i.e., 30 mm. or less, 1.18 inch or less), manufacturing | 332992 | Small Arms Ammunition Manufacturing |
| Cores, sand foundry, manufacturing | 332997 | Industrial Pattern Manufacturing |
| Cork products (except gaskets) manufacturing | 321999 | All Other Miscellaneous Wood Product Manufacturing |
| Cork wholesaling | 421840 | Industrial Supplies Wholesalers |
| Corks, bottle, manufacturing | 321999 | All Other Miscellaneous Wood Product Manufacturing |
| Corms farming | 111421 | Nursery and Tree Production |
| Corn breakfast foods manufacturing | 311230 | Breakfast Cereal Manufacturing |
| Corn chips and related corn snacks manufacturing | 311919 | Other Snack Food Manufacturing |
| Corn chips and related corn snacks wholesaling | 422450 | Confectionery Wholesalers |
| Corn confections manufacturing | 311340 | Nonchocolate Confectionery Manufacturing |
| Corn cribs, prefabricated, wood, manufacturing | 321992 | Prefabricated Wood Building Manufacturing |
| Corn dextrin manufacturing | 311221 | Wet Corn Milling |
| Corn drying | 115114 | Postharvest Crop Activities (except Cotton Ginning) |
| Corn farming (except sweet corn), field and seed production | 111150 | Corn Farming |
| Corn flour manufacturing | 311211 | Flour Milling |
| Corn gluten feed manufacturing | 311221 | Wet Corn Milling |
| Corn gluten meal manufacturing | 311221 | Wet Corn Milling |
| Corn heads for combines manufacturing | 333111 | Farm Machinery and Equipment Manufacturing |
| Corn meal made in flour mills | 311211 | Flour Milling |
| Corn oil cake and meal manufacturing | 311221 | Wet Corn Milling |
| Corn oil made from purchased oils | 311225 | Fats and Oils Refining and Blending |
| Corn oil mills | 311221 | Wet Corn Milling |
| Corn oil, crude and refined, made by wet milling corn | 311221 | Wet Corn Milling |
| Corn pickers and shellers manufacturing | 333111 | Farm Machinery and Equipment Manufacturing |
| Corn poppers, household-type electric, manufacturing | 335211 | Electric Housewares and Household Fan Manufacturing |
| Corn popping machinery (i.e., food manufacturing-type) manufacturing | 333294 | Food Product Machinery Manufacturing |
| Corn popping machines, commercial-type, manufacturing | 333319 | Other Commercial and Service Industry Machinery Manufacturing |
| Corn remover and bunion pad manufacturing | 339113 | Surgical Appliance and Supplies Manufacturing |
| Corn shelling | 115114 | Postharvest Crop Activities (except Cotton Ginning) |
| Corn starch manufacturing | 311221 | Wet Corn Milling |
| Corn sweeteners (e.g., dextrose, fructose, glucose) made by wet milling corn | 311221 | Wet Corn Milling |
| Corn syrups made from purchased sweeteners | 311999 | All Other Miscellaneous Food Manufacturing |
| Corn, malt, manufacturing | 311213 | Malt Manufacturing |
| Corneal microscopes manufacturing | 339112 | Surgical and Medical Instrument Manufacturing |
| Corned meats made from purchases carcasses | 311612 | Meat Processed from Carcasses |
| Corners, luggage, leather, manufacturing | 316999 | All Other Leather Good Manufacturing |
| Cornets and parts manufacturing | 339992 | Musical Instrument Manufacturing |
| Cornices, sheet metal, manufacturing | 332322 | Sheet Metal Work Manufacturing |
| Cornices, wood, manufacturing | 321918 | Other Millwork (including Flooring) |
| Cornish hen production | 112320 | Broilers and Other Meat Type Chicken Production |
| Cornmeal, edible, wholesaling | 422490 | Other Grocery and Related Products Wholesalers |
| Cornwall stone mining and/or beneficiating | 212325 | Clay and Ceramic and Refractory Minerals Mining |
| Coroners' offices | 923120 | Administration of Public Health Programs |
| Corporate foundations, awarding grants | 813211 | Grantmaking Foundations |
| Corporate identification (i.e., logo) design services | 541430 | Graphic Design Services |
| Corporate law offices | 541110 | Offices of Lawyers |
| Corporate offices | 551114 | Corporate, Subsidiary, and Regional Managing Offices |
| Corralling, drovers | 115210 | Support Activities for Animal Production |
| Corrals, metal, manufacturing | 332323 | Ornamental and Architectural Metal Work Manufacturing |
| Correction fluids (i.e., typewriter) manufacturing | 325998 | All Other Miscellaneous Chemical Product and Preparation Manufacturing |
| Correctional boot camps | 922140 | Correctional Institutions |
| Correctional facility operation on a contract or fee basis | 561210 | Facilities Support Services |
| Correctional institutions | 922140 | Correctional Institutions |
| Corrugated and solid fiber boxes made from purchased paper or paperboard | 322211 | Corrugated and Solid Fiber Box Manufacturing |
| Corrugated and solid fiberboard pads made from purchased paper or paperboard | 322211 | Corrugated and Solid Fiber Box Manufacturing |
| Corrugated paper made from purchased paper or paperboard | 322211 | Corrugated and Solid Fiber Box Manufacturing |
| Corrugating iron or steel in cold rolling mills | 331221 | Rolled Steel Shape Manufacturing |
| Corselets cut and sew apparel contractors | 315212 | Women's, Girls', and Infants' Cut and Sew Apparel Contractors |
| Corselets, women's, misses', and girls', cut and sewn from purchased fabric (except apparel contractors) | 315231 | Women's and Girls' Cut and Sew Lingerie, Loungewear, and Nightwear Manufacturing |
| Corsets and allied garments (except surgical), women's, cut and sew apparel contractors | 315212 | Women's, Girls', and Infants' Cut and Sew Apparel Contractors |
| Corsets and allied garments (except surgical), women's, misses', and girls', cut and sewn from purchased fabric (except | 315231 | Women's and Girls' Cut and Sew Lingerie, Loungewear, and Nightwear Manufacturing |
| Corsets, surgical, manufacturing | 339113 | Surgical Appliance and Supplies Manufacturing |
| Cortisone, uncompounded ,manufacturing | 325411 | Medicinal and Botanical Manufacturing |
| Corundum mining and/or beneficiating | 212399 | All Other Nonmetallic Mineral Mining |
| Cosmetic bags (except metal) manufacturing | 316993 | Personal Leather Good (except Women's Handbag and Purse) Manufacturing |
| Cosmetic bags, precious metal, manufacturing | 339911 | Jewelry (except Costume) Manufacturing |
| Cosmetic creams, lotions, and oils manufacturing | 325620 | Toilet Preparation Manufacturing |
| Cosmetic kit assembling and packaging services | 561910 | Packaging and Labeling Services |
| Cosmetics stores | 446120 | Cosmetics, Beauty Supplies, and Perfume Stores |
| Cosmetics wholesaling | 422210 | Drugs and Druggists' Sundries Wholesalers |
| Cosmetology salons or shops | 812112 | Beauty Salons |
| Cosmetology schools | 611511 | Cosmetology and Barber Schools |
| Costume design services (except independent theatrical costume designers) | 541490 | Other Specialized Design Services |
| Costume designers, independent theatrical | 711510 | Independent Artists, Writers, and Performers |
| Costume jewelry manufacturing | 339914 | Costume Jewelry and Novelty Manufacturing |
| Costume jewelry stores | 448150 | Clothing Accessories Stores |
| Costume jewelry wholesaling | 421940 | Jewelry, Watch, Precious Stone, and Precious Metal Wholesalers |
| Costume rental | 532220 | Formal Wear and Costume Rental |
| Costume shops (including theatrical) | 448190 | Other Clothing Stores |
| Costumes (e.g., lodge, masquerade, theatrical) cut and sewn from purchased fabric (except apparel contractors) | 315299 | All Other Cut and Sew Apparel Manufacturing |
| Costumes (e.g., lodge, masquerade, theatrical) women's, girls' and infants', cut and sew apparel contractors | 315212 | Women's, Girls', and Infants' Cut and Sew Apparel Contractors |
| Costumes (e.g., lodge, masquerade, theatrical), men's and boys', cut and sew apparel contractors | 315211 | Men's and Boys' Cut and Sew Apparel Contractors |
| Cot springs, assembled, manufacturing | 337121 | Upholstered Household Furniture Manufacturing |
| Cots, metal household-type, manufacturing | 337124 | Metal Household Furniture Manufacturing |
| Cots, wood household-type, manufacturing | 337122 | Nonupholstered Wood Household Furniture Manufacturing |
| Cottage cheese manufacturing | 311511 | Fluid Milk Manufacturing |
| Cottage rental or leasing | 531110 | Lessors of Residential Buildings and Dwellings |
| Cottages, housekeeping | 721199 | All Other Traveler Accommodation |
| Cotter pins, metal, manufacturing | 332722 | Bolt, Nut, Screw, Rivet, and Washer Manufacturing |
| Cotton (except raw) wholesaling | 422990 | Other Miscellaneous Nondurable Goods Wholesalers |
| Cotton and cotton balls, absorbent, manufacturing | 339113 | Surgical Appliance and Supplies Manufacturing |
| Cotton balers and presses manufacturing | 333111 | Farm Machinery and Equipment Manufacturing |
| Cotton battings (except nonwoven batting) manufacturing | 314999 | All Other Miscellaneous Textile Product Mills |
| Cotton cordage spun yarns made from purchased fiber | 313111 | Yarn Spinning Mills |
| Cotton fabrics, broadwoven, weaving | 313210 | Broadwoven Fabric Mills |
| Cotton fabrics, narrow woven weaving | 313221 | Narrow Fabric Mills |
| Cotton farming, field and seed production | 111920 | Cotton Farming |
| Cotton fiber paper stock manufacturing | 322121 | Paper (except Newsprint) Mills |
| Cotton ginning | 115111 | Cotton Ginning |
| Cotton ginning machinery manufacturing | 333111 | Farm Machinery and Equipment Manufacturing |
| Cotton picker and stripper harvesting machinery manufacturing | 333111 | Farm Machinery and Equipment Manufacturing |
| Cotton spun yarns made from purchased fiber | 313111 | Yarn Spinning Mills |
| Cotton thread manufacturing | 313113 | Thread Mills |
| Cotton tipped applicators manufacturing | 339113 | Surgical Appliance and Supplies Manufacturing |
| Cotton, machine harvesting | 115113 | Crop Harvesting, Primarily by Machine |
| Cotton, raw, wholesaling | 422590 | Other Farm Product Raw Material Wholesalers |
| Cottonseed farming | 111920 | Cotton Farming |
| Cottonseed oil made from purchased oils | 311225 | Fats and Oils Refining and Blending |
| Cottonseed oil, cake and meal, made in crushing mills | 311223 | Other Oilseed Processing |
| Couch springs, assembled, manufacturing | 337121 | Upholstered Household Furniture Manufacturing |
| Couches, upholstered, manufacturing | 337121 | Upholstered Household Furniture Manufacturing |
| Cough drops (except medicated) manufacturing | 311340 | Nonchocolate Confectionery Manufacturing |
| Cough drops, medicated, manufacturing | 325412 | Pharmaceutical Preparation Manufacturing |
| Cough medicines manufacturing | 325412 | Pharmaceutical Preparation Manufacturing |
| Coulometric analyzers, industrial process-type, manufacturing | 334513 | Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variable |
| Coulometric analyzers, laboratory-type, manufacturing | 334516 | Analytical Laboratory Instrument Manufacturing |
| Coumarin manufacturing | 325199 | All Other Basic Organic Chemical Manufacturing |
| Coumarone-indene resins manufacturing | 325211 | Plastics Material and Resin Manufacturing |
| Councils of Economic Advisers | 926110 | Administration of General Economic Programs |
| Counseling services | 624190 | Other Individual and Family Services |
| Counseling services, family planning | 621410 | Family Planning Centers |
| Counselors' at law offices | 541110 | Offices of Lawyers |
| Counselors' at law private practices | 541110 | Offices of Lawyers |
| Count rate meters, nuclear radiation, manufacturing | 334519 | Other Measuring and Controlling Device Manufacturing |
| Counter top construction contractors | 235990 | All Other Special Trade Contractors |
| Counter type registers manufacturing | 334514 | Totalizing Fluid Meter and Counting Device Manufacturing |
| Counter units (except refrigerated) manufacturing | 337215 | Showcase, Partition, Shelving, and Locker Manufacturing |
| Counterbores (i.e., a machine tool accessory), metalworking, manufacturing | 333515 | Cutting Tool and Machine Tool Accessory Manufacturing |
| Counterbores and countersinking bits, woodworking, manufacturing | 332212 | Hand and Edge Tool Manufacturing |
| Countermeasure sets (e.g., active countermeasures, jamming equipment) manufacturing | 334511 | Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing |
| Counters (e.g., electrical, electronic, mechanical), totalizing, manufacturing | 334514 | Totalizing Fluid Meter and Counting Device Manufacturing |
| Counters (i.e., shoe cut stock), leather, manufacturing | 316999 | All Other Leather Good Manufacturing |
| Counters and display cases, refrigerated, manufacturing | 333415 | Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing |
| Counters, revolution, manufacturing | 334514 | Totalizing Fluid Meter and Counting Device Manufacturing |
| Countersinks (i.e., a machine tool accessory) manufacturing | 333515 | Cutting Tool and Machine Tool Accessory Manufacturing |
| Countertops (except kitchen and bathroom), wood or plastics laminated on wood, manufacturing | 337215 | Showcase, Partition, Shelving, and Locker Manufacturing |
| Countertops (i.e., kitchen, bathroom), wood or plastics laminated on wood, manufacturing | 337110 | Wood Kitchen Cabinet and Countertop Manufacturing |
| Countertops, plastics, manufacturing | 326199 | All Other Plastics Product Manufacturing |
| Countertops, stone, manufacturing | 327991 | Cut Stone and Stone Product Manufacturing |
| Countertops, wood, manufacturing | 337110 | Wood Kitchen Cabinet and Countertop Manufacturing |
| Counting devices manufacturing | 334514 | Totalizing Fluid Meter and Counting Device Manufacturing |
| Country clubs | 713910 | Golf Courses and Country Clubs |
| Country musical artists, independent | 711130 | Musical Groups and Artists |
| Country musical groups | 711130 | Musical Groups and Artists |
| County commissioners | 921120 | Legislative Bodies |
| County development agencies | 925120 | Administration of Urban Planning and Community and Rural Development |
| County supervisors of education (except school boards) | 923110 | Administration of Education Programs |
| County supervisors' and executives' offices | 921110 | Executive Offices |
| Couplings, hose, metal (except fluid power), manufacturing | 332919 | Other Metal Valve and Pipe Fitting Manufacturing |
| Couplings, mechanical power transmission, manufacturing | 333613 | Mechanical Power Transmission Equipment Manufacturing |
| Couplings, pipe, made from purchased metal pipe | 332996 | Fabricated Pipe and Pipe Fitting Manufacturing |
| Coupon direct distribution services | 541870 | Advertising Material Distribution Services |
| Coupon redemption services (i.e., clearinghouse) | 561990 | All Other Support Services |
| Courier services (i.e., intercity network) | 492110 | Couriers |
| Couriers | 4921 | Couriers |
| Couriers and Messengers | 492 | Couriers and Messengers |
| Court reporting schools | 611410 | Business and Secretarial Schools |
| Court reporting services | 561492 | Court Reporting and Stenotype Services |
| Courts of law, civilian (except American Indian or Alaska Native) | 922110 | Courts |
| Courts, American Indian or Alaska Native | 921150 | American Indian and Alaska Native Tribal Governments |
| Courts, civilian (except American Indian or Alaska Native) | 922110 | Courts |
| Courts, military | 928110 | National Security |
| Courts, small claims | 922110 | Courts |
| Coveralls, work, men's and boys', cut and sew apparel contractors | 315211 | Men's and Boys' Cut and Sew Apparel Contractors |
| Coveralls, work, men's and boys', cut and sewn from purchased fabric (except apparel contractors) | 315225 | Men's and Boys' Cut and Sew Work Clothing Manufacturing |
| Coveralls, work, women's, girls', and infants', cut and sew apparel contractors | 315212 | Women's, Girls', and Infants' Cut and Sew Apparel Contractors |
| Coveralls, work, women's, misses', and girls', cut and sewn from purchased fabric (except apparel contractors) | 315239 | Women's and Girls' Cut and Sew Other Outerwear Manufacturing |
| Covers (e.g., boat, swimming pool, truck) made from purchased fabrics | 314912 | Canvas and Related Product Mills |
| Covers, annealing, fabricated metal plate work, manufacturing | 332313 | Plate Work Manufacturing |
| Covers, bottle and demijohn, willow, rattan, and reed, manufacturing | 321999 | All Other Miscellaneous Wood Product Manufacturing |
| Covers, floating, fabricated metal plate work, manufacturing | 332313 | Plate Work Manufacturing |
| Cow pea (except dry) farming, field and seed production | 111219 | Other Vegetable (except Potato) and Melon Farming |
| Cowls, sheet metal, manufacturing | 332322 | Sheet Metal Work Manufacturing |
| Cowpea farming, dry, field and seed production | 111130 | Dry Pea and Bean Farming |
| C- | CA | CB | CD | CE | CH | CI | CL | CM | CO | CP | CR | CT | CU | CY |