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Page Last Modified: September 19, 2000
| HA | HE | HF | HI | HM | HO | HU | HY |
| Index entry | NAICS Code | U.S. NAICS Title |
|---|---|---|
| Hobby shops | 451120 | Hobby, Toy, and Game Stores |
| Hobbyhorses manufacturing | 339932 | Game, Toy, and Children's Vehicle Manufacturing |
| Hobbyists' supplies wholesaling | 421920 | Toy and Hobby Goods and Supplies Wholesalers |
| Hobs (i.e., metal gear cutting tool) manufacturing | 333515 | Cutting Tool and Machine Tool Accessory Manufacturing |
| Hockey clubs, professional or semiprofessional | 711211 | Sports Teams and Clubs |
| Hockey clubs, recreational | 713990 | All Other Amusement and Recreation Industries |
| Hockey equipment (except apparel) manufacturing | 339920 | Sporting and Athletic Goods Manufacturing |
| Hockey equipment and supplies wholesaling | 421910 | Sporting and Recreational Goods and Supplies Wholesalers |
| Hockey instruction, camps, or schools | 611620 | Sports and Recreation Instruction |
| Hockey skates manufacturing | 339920 | Sporting and Athletic Goods Manufacturing |
| Hockey teams, professional or semiprofessional | 711211 | Sports Teams and Clubs |
| Hockey teams, recreational | 713990 | All Other Amusement and Recreation Industries |
| Hoeing | 115112 | Soil Preparation, Planting, and Cultivating |
| Hoes, garden and mason's handtools, manufacturing | 332212 | Hand and Edge Tool Manufacturing |
| Hog and pig (including breeding, farrowing, nursery, and finishing activities) farming | 112210 | Hog and Pig Farming |
| Hog and Pig Farming | 1122 | Hog and Pig Farming |
| Hog feeding and watering equipment manufacturing | 333111 | Farm Machinery and Equipment Manufacturing |
| Hog feedlots (except stockyards for transportation) | 112210 | Hog and Pig Farming |
| Hogs wholesaling | 422520 | Livestock Wholesalers |
| Hogsheads, coopered wood, manufacturing | 321920 | Wood Container and Pallet Manufacturing |
| Hoists (except aircraft loading) manufacturing | 333923 | Overhead Traveling Crane, Hoist, and Monorail System Manufacturing |
| Hoists (except automotive) wholesaling | 421830 | Industrial Machinery and Equipment Wholesalers |
| Hoists, aircraft loading, manufacturing | 333924 | Industrial Truck, Tractor, Trailer, and Stacker Machinery Manufacturing |
| Hoists, automotive, wholesaling | 421120 | Motor Vehicle Supplies and New Parts Wholesalers |
| Holding companies (except bank, managing) | 551112 | Offices of Other Holding Companies |
| Holding companies that manage | 551114 | Corporate, Subsidiary, and Regional Managing Offices |
| Holding companies, bank (except managing) | 551111 | Offices of Bank Holding Companies |
| Holepunchers (except hand operated), office-type, manufacturing | 333313 | Office Machinery Manufacturing |
| Holepunchers, hand operated, manufacturing | 339942 | Lead Pencil and Art Good Manufacturing |
| Hollowware, precious plated metal, manufacturing | 332999 | All Other Miscellaneous Fabricated Metal Product Manufacturing |
| Holsters, leather, manufacturing | 316999 | All Other Leather Good Manufacturing |
| Home and auto supply stores | 452990 | All Other General Merchandise Stores |
| Home and garden equipment rental centers | 532310 | General Rental Centers |
| Home automation system construction contractors | 235310 | Electrical Contractors |
| Home canning lids and rings, metal stamping | 332115 | Crown and Closure Manufacturing |
| Home care of elderly, medical | 621610 | Home Health Care Services |
| Home care of elderly, non-medical | 624120 | Services for the Elderly and Persons with Disabilities |
| Home centers, building materials | 444110 | Home Centers |
| Home construction organizations, work (sweat) equity | 624229 | Other Community Housing Services |
| Home delivery newspaper routes, direct selling | 454390 | Other Direct Selling Establishments |
| Home entertainment centers, metal, manufacturing | 337124 | Metal Household Furniture Manufacturing |
| Home entertainment centers, wood, manufacturing | 337122 | Nonupholstered Wood Household Furniture Manufacturing |
| Home equity credit lending | 522292 | Real Estate Credit |
| Home Furnishings Stores | 4422 | Home Furnishings Stores |
| Home health agencies | 621610 | Home Health Care Services |
| Home health aid schools | 611519 | Other Technical and Trade Schools |
| Home health care agencies | 621610 | Home Health Care Services |
| Home Health Care Services | 6216 | Home Health Care Services |
| Home health furniture and equipment rental | 532291 | Home Health Equipment Rental |
| Home improvement centers | 444110 | Home Centers |
| Home improvements, residential (except single family), construction | 233220 | Multifamily Housing Construction |
| Home improvements, residential single-family, construction | 233210 | Single Family Housing Construction |
| Home inspection services | 541350 | Building Inspection Services |
| Home nursing services (except private practices) | 621610 | Home Health Care Services |
| Home nursing services, private practice | 621399 | Offices of All Other Miscellaneous Health Practitioners |
| Home security equipment stores | 453998 | All Other Miscellaneous Store Retailers (except Tobacco Stores) |
| Home show managers | 561920 | Convention and Trade Show Organizers |
| Home show organizers | 561920 | Convention and Trade Show Organizers |
| Home show promoters | 561920 | Convention and Trade Show Organizers |
| Home stereo systems manufacturing | 334310 | Audio and Video Equipment Manufacturing |
| Home tape recorders and players (e.g., cartridge, cassette, reel) manufacturing | 334310 | Audio and Video Equipment Manufacturing |
| Home theater audio and video equipment manufacturing | 334310 | Audio and Video Equipment Manufacturing |
| Home workshop metal cutting machine tools (except handtools, welding equipment) manufacturing | 333512 | Machine Tool (Metal Cutting Types) Manufacturing |
| Homefurnishings stores | 442299 | All Other Home Furnishings Stores |
| Homefurnishings wholesaling | 421220 | Home Furnishing Wholesalers |
| Homeless shelters | 624221 | Temporary Shelters |
| Homemaker's service for elderly or disabled persons, non-medical | 624120 | Services for the Elderly and Persons with Disabilities |
| Homeopaths' offices (e.g., centers, clinics) | 621399 | Offices of All Other Miscellaneous Health Practitioners |
| Homeowners' associations | 813990 | Other Similar Organizations (except Business, Professional, Labor, and Political Organizations) |
| Homeowners' associations, condominium | 813990 | Other Similar Organizations (except Business, Professional, Labor, and Political Organizations) |
| Homeowners' insurance carriers, direct | 524126 | Direct Property and Casualty Insurance Carriers |
| Homeowners' warranty insurance carriers, direct | 524128 | Other Direct Insurance (except Life, Health, and Medical) Carriers |
| Homes for children with health care incidental | 623990 | Other Residential Care Facilities |
| Homes for emotionally disturbed adults or children | 623220 | Residential Mental Health and Substance Abuse Facilities |
| Homes for the aged with nursing care | 623110 | Nursing Care Facilities |
| Homes for the aged without nursing care | 623312 | Homes for the Elderly |
| Homes for the elderly with nursing care | 623110 | Nursing Care Facilities |
| Homes for the elderly without nursing care | 623312 | Homes for the Elderly |
| Homes for unwed mothers | 623990 | Other Residential Care Facilities |
| Homes with or without health care, mental retardation | 623210 | Residential Mental Retardation Facilities |
| Homes, psychiatric convalescent | 623220 | Residential Mental Health and Substance Abuse Facilities |
| Hominy grits (except breakfast food), manufacturing | 311211 | Flour Milling |
| Hominy grits, prepared as cereal breakfast food, manufacturing | 311230 | Breakfast Cereal Manufacturing |
| Hominy, canned, manufacturing | 311421 | Fruit and Vegetable Canning |
| Homogenizing machinery, food, manufacturing | 333294 | Food Product Machinery Manufacturing |
| Homogenizing milk | 311511 | Fluid Milk Manufacturing |
| Hones mining and/or beneficiating | 212399 | All Other Nonmetallic Mineral Mining |
| Honey bee production | 112910 | Apiculture |
| Honey processing | 311999 | All Other Miscellaneous Food Manufacturing |
| Honey wholesaling | 422490 | Other Grocery and Related Products Wholesalers |
| Honeydew melon farming, field, bedding plant and seed production | 111219 | Other Vegetable (except Potato) and Melon Farming |
| Honing and lapping machines manufacturing | 333512 | Machine Tool (Metal Cutting Types) Manufacturing |
| Honing heads (i.e., a machine tool accessory) manufacturing | 333515 | Cutting Tool and Machine Tool Accessory Manufacturing |
| Honor camps | 922140 | Correctional Institutions |
| Hoods, industrial, fabricated metal plate work, manufacturing | 332313 | Plate Work Manufacturing |
| Hoods, range (except household-type), sheet metal, manufacturing | 332322 | Sheet Metal Work Manufacturing |
| Hoods, range, household-type, manufacturing | 335211 | Electric Housewares and Household Fan Manufacturing |
| Hoof trimming | 115210 | Support Activities for Animal Production |
| Hook and eye fasteners (i.e., sewing accessories) manufacturing | 339993 | Fastener, Button, Needle, and Pin Manufacturing |
| Hook and eye latches manufacturing | 332722 | Bolt, Nut, Screw, Rivet, and Washer Manufacturing |
| Hook and loop fastener fabric manufacturing | 313221 | Narrow Fabric Mills |
| Hooks (i.e., general purpose fasteners), metal, manufacturing | 332722 | Bolt, Nut, Screw, Rivet, and Washer Manufacturing |
| Hooks, fishing, manufacturing | 339920 | Sporting and Athletic Goods Manufacturing |
| Hooks, handtools (e.g., baling, bush, grass, husking), manufacturing | 332212 | Hand and Edge Tool Manufacturing |
| Hooks, metal screw, manufacturing | 332722 | Bolt, Nut, Screw, Rivet, and Washer Manufacturing |
| Hoops made in steel mills | 331111 | Iron and Steel Mills |
| Hoops, galvanized, made in steel mills | 331111 | Iron and Steel Mills |
| Hoops, metal (except wire), fabricated from purchased metal | 332999 | All Other Miscellaneous Fabricated Metal Product Manufacturing |
| Hoops, sawed or split wood for tight or slack cooperage, manufacturing | 321920 | Wood Container and Pallet Manufacturing |
| Hop extract manufacturing | 311942 | Spice and Extract Manufacturing |
| Hop extract wholesaling | 422490 | Other Grocery and Related Products Wholesalers |
| Hop farming | 111998 | All Other Miscellaneous Crop Farming |
| Hopper feed devices (i.e., a machine tool accessory) manufacturing | 333515 | Cutting Tool and Machine Tool Accessory Manufacturing |
| Hoppers, fabricated metal plate work, manufacturing | 332313 | Plate Work Manufacturing |
| Hoppers, light gauge metal, manufacturing | 332439 | Other Metal Container Manufacturing |
| Hops wholesaling | 422590 | Other Farm Product Raw Material Wholesalers |
| Horizon situation instrumentation manufacturing | 334511 | Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing |
| Hormone in-vitro diagnostic substances manufacturing | 325413 | In-Vitro Diagnostic Substance Manufacturing |
| Hormone preparations (except in-vitro diagnostics) manufacturing | 325412 | Pharmaceutical Preparation Manufacturing |
| Hormones and derivatives, uncompounded, manufacturing | 325411 | Medicinal and Botanical Manufacturing |
| Horse (including thoroughbreds) production | 112920 | Horse and Other Equine Production |
| Horse bits manufacturing | 332999 | All Other Miscellaneous Fabricated Metal Product Manufacturing |
| Horse boots and muzzles manufacturing | 316999 | All Other Leather Good Manufacturing |
| Horse racetracks | 711212 | Racetracks |
| Horse racing stables | 711219 | Other Spectator Sports |
| Horse rental services, recreational saddle | 713990 | All Other Amusement and Recreation Industries |
| Horse show managers with facilities | 711310 | Promoters of Performing Arts, Sports, and Similar Events with Facilities |
| Horse show managers without facilities | 711320 | Promoters of Performing Arts, Sports, and Similar Events without Facilities |
| Horse show organizers with facilities | 711310 | Promoters of Performing Arts, Sports, and Similar Events with Facilities |
| Horse show organizers without facilities | 711320 | Promoters of Performing Arts, Sports, and Similar Events without Facilities |
| Horse show promoters with facilities | 711310 | Promoters of Performing Arts, Sports, and Similar Events with Facilities |
| Horse show promoters without facilities | 711320 | Promoters of Performing Arts, Sports, and Similar Events without Facilities |
| Horse trailers (except fifth-wheel-type) manufacturing | 336214 | Travel Trailer and Camper Manufacturing |
| Horse trailers, fifth-wheel-type, manufacturing | 336212 | Truck Trailer Manufacturing |
| Horse-drawn carriage operation | 487110 | Scenic and Sightseeing Transportation, Land |
| Horseback riding, recreational | 713990 | All Other Amusement and Recreation Industries |
| Horsemeat produced in slaughtering plants | 311611 | Animal (except Poultry) Slaughtering |
| Horsemeat, processing, for dog and cat food | 311111 | Dog and Cat Food Manufacturing |
| Horseradish (except sauce) canning | 311421 | Fruit and Vegetable Canning |
| Horseradish, prepared sauce, manufacturing | 311941 | Mayonnaise, Dressing, and Other Prepared Sauce Manufacturing |
| Horses (except racehorses), boarding | 115210 | Support Activities for Animal Production |
| Horses wholesaling | 422590 | Other Farm Product Raw Material Wholesalers |
| Horses, training (except racehorses) | 115210 | Support Activities for Animal Production |
| Horseshoe nails, iron or steel, made in wire drawing plants | 331222 | Steel Wire Drawing |
| Horseshoeing | 115210 | Support Activities for Animal Production |
| Horseshoes, ferrous forged, made from purchased iron or steel | 332111 | Iron and Steel Forging |
| Horticultural consulting services | 541690 | Other Scientific and Technical Consulting Services |
| Hose clamps, metal, manufacturing | 332722 | Bolt, Nut, Screw, Rivet, and Washer Manufacturing |
| Hose couplings and fittings, fluid power, manufacturing | 332912 | Fluid Power Valve and Hose Fitting Manufacturing |
| Hose couplings, metal (except fluid power), manufacturing | 332919 | Other Metal Valve and Pipe Fitting Manufacturing |
| Hose fabrics, tubular, weaving | 313221 | Narrow Fabric Mills |
| Hose, flexible metal, manufacturing | 332999 | All Other Miscellaneous Fabricated Metal Product Manufacturing |
| Hose, industrial, wholesaling | 421840 | Industrial Supplies Wholesalers |
| Hoses, reinforced, made from purchased rubber or plastics manufacturing | 326220 | Rubber and Plastics Hoses and Belting Manufacturing |
| Hoses, rubberized fabric, manufacturing | 326220 | Rubber and Plastics Hoses and Belting Manufacturing |
| Hosiery (except sheer), women's, girls' and infants', manufacturing | 315119 | Other Hosiery and Sock Mills |
| Hosiery machines manufacturing | 333292 | Textile Machinery Manufacturing |
| Hosiery stores | 448190 | Other Clothing Stores |
| Hosiery, men's and boys', wholesaling | 422320 | Men's and Boys' Clothing and Furnishings Wholesalers |
| Hosiery, orthopedic support, manufacturing | 339113 | Surgical Appliance and Supplies Manufacturing |
| Hosiery, sheer, women's, misses', and girls' full-length and knee-length, knitting or knitting and finishing | 315111 | Sheer Hosiery Mills |
| Hosiery, women's and girls', wholesaling | 422330 | Women's, Children's, and Infants' Clothing and Accessories Wholesalers |
| Hosiery, women's, children's, and infants', wholesaling | 422330 | Women's, Children's, and Infants' Clothing and Accessories Wholesalers |
| Hospice care services, in home | 621610 | Home Health Care Services |
| Hospices, inpatient care | 623110 | Nursing Care Facilities |
| Hospital administrators' associations | 813920 | Professional Organizations |
| Hospital and medical service plans, direct, without providing health care services | 524114 | Direct Health and Medical Insurance Carriers |
| Hospital associations | 813910 | Business Associations |
| Hospital bed rental and leasing (i.e. home use) | 532291 | Home Health Equipment Rental |
| Hospital beds manufacturing | 339111 | Laboratory Apparatus and Furniture Manufacturing |
| Hospital beds wholesaling | 421450 | Medical, Dental, and Hospital Equipment and Supplies Wholesalers |
| Hospital construction | 233320 | Commercial and Institutional Building Construction |
| Hospital equipment and supplies wholesaling | 421450 | Medical, Dental, and Hospital Equipment and Supplies Wholesalers |
| Hospital equipment rental (i.e. home use) | 532291 | Home Health Equipment Rental |
| Hospital furniture (e.g., hospital beds, operating room furniture) manufacturing | 339111 | Laboratory Apparatus and Furniture Manufacturing |
| Hospital furniture and equipment rental (i.e. home use) | 532291 | Home Health Equipment Rental |
| Hospital furniture wholesaling | 421450 | Medical, Dental, and Hospital Equipment and Supplies Wholesalers |
| Hospital licensure agencies | 926150 | Regulation, Licensing, and Inspection of Miscellaneous Commercial Sectors |
| Hospital management schools (except academic) | 611519 | Other Technical and Trade Schools |
| Hospital management schools offering baccalaureate or graduate degrees | 611310 | Colleges, Universities, and Professional Schools |
| Hospital service apparel, washable, men's and boys', cut and sew apparel contractors | 315211 | Men's and Boys' Cut and Sew Apparel Contractors |
| Hospital service apparel, washable, men's and boys', cut and sewn from purchased fabric (except apparel contractors) | 315225 | Men's and Boys' Cut and Sew Work Clothing Manufacturing |
| Hospital service apparel, washable, women's and girls', cut and sew apparel contractors | 315212 | Women's, Girls', and Infants' Cut and Sew Apparel Contractors |
| Hospital service apparel, washable, women's, misses', and girls', cut and sewn from purchased fabric (except apparel co | 315239 | Women's and Girls' Cut and Sew Other Outerwear Manufacturing |
| Hospitality management schools (except academic) | 611519 | Other Technical and Trade Schools |
| Hospitality management schools offering baccalaureate or graduate degrees | 611310 | Colleges, Universities, and Professional Schools |
| Hospitalization insurance carriers, direct, without providing health care services | 524114 | Direct Health and Medical Insurance Carriers |
| Hospitals | 622 | Hospitals |
| Hospitals (see type) | 62**** | |
| Hospitals for alcoholics | 622210 | Psychiatric and Substance Abuse Hospitals |
| Hospitals, addiction | 622210 | Psychiatric and Substance Abuse Hospitals |
| Hospitals, animal | 541940 | Veterinary Services |
| Hospitals, general medical and surgical | 622110 | General Medical and Surgical Hospitals |
| Hospitals, general pediatric | 622110 | General Medical and Surgical Hospitals |
| Hospitals, mental (except mental retardation) | 622210 | Psychiatric and Substance Abuse Hospitals |
| Hospitals, mental retardation | 623210 | Residential Mental Retardation Facilities |
| Hospitals, psychiatric (except convalescent) | 622210 | Psychiatric and Substance Abuse Hospitals |
| Hospitals, psychiatric convalescent | 623220 | Residential Mental Health and Substance Abuse Facilities |
| Hospitals, psychiatric pediatric | 622210 | Psychiatric and Substance Abuse Hospitals |
| Hospitals, specialty (except psychiatric, substance abuse) | 622310 | Specialty (except Psychiatric and Substance Abuse) Hospitals |
| Hospitals, substance abuse | 622210 | Psychiatric and Substance Abuse Hospitals |
| Hostels | 721199 | All Other Traveler Accommodation |
| Hot air balloon ride, scenic and sightseeing, operation | 487990 | Scenic and Sightseeing Transportation, Other |
| Hot beverage vending machines manufacturing | 333311 | Automatic Vending Machine Manufacturing |
| Hot dip galvanizing metals and metal products for the trade | 332812 | Metal Coating, Engraving (except Jewelry and Silverware), and Allied Services to Manufacturers |
| Hot dogs (except poultry) made from purchased carcasses | 311612 | Meat Processed from Carcasses |
| Hot dogs (except poultry) produced in slaughtering plants | 311611 | Animal (except Poultry) Slaughtering |
| Hot dogs, poultry, manufacturing | 311615 | Poultry Processing |
| Hot forgings made from purchased iron or steel, unfinished | 332111 | Iron and Steel Forging |
| Hot forgings made from purchased nonferrous metals, unfinished | 332112 | Nonferrous Forging |
| Hot oil treating of oil field tanks on a contract basis | 213112 | Support Activities for Oil and Gas Operations |
| Hot shot service on a contract basis | 213112 | Support Activities for Oil and Gas Operations |
| Hot strip mill machinery, metalworking, manufacturing | 333516 | Rolling Mill Machinery and Equipment Manufacturing |
| Hot tub stores | 453998 | All Other Miscellaneous Store Retailers (except Tobacco Stores) |
| Hot tubs wholesaling | 421910 | Sporting and Recreational Goods and Supplies Wholesalers |
| Hot tubs, coopered, manufacturing | 321920 | Wood Container and Pallet Manufacturing |
| Hot tubs, plastics or fiberglass, manufacturing | 326191 | Plastics Plumbing Fixture Manufacturing |
| Hot water bottles, rubber, manufacturing | 326299 | All Other Rubber Product Manufacturing |
| Hot water heaters (including nonelectric), household-type, manufacturing | 335228 | Other Major Household Appliance Manufacturing |
| Hot-rolling iron or steel products in steel mills | 331111 | Iron and Steel Mills |
| Hot-rolling mill machinery, metalworking, manufacturing | 333516 | Rolling Mill Machinery and Equipment Manufacturing |
| Hot-rolling purchased steel | 331221 | Rolled Steel Shape Manufacturing |
| Hotel building, not operating hotel, rental or leasing | 531120 | Lessors of Nonresidential Buildings (except Miniwarehouses) |
| Hotel building, residential, rental or leasing | 531110 | Lessors of Residential Buildings and Dwellings |
| Hotel construction | 233320 | Commercial and Institutional Building Construction |
| Hotel equipment and supplies (except furniture) wholesaling | 421440 | Other Commercial Equipment Wholesalers |
| Hotel furniture wholesaling | 421210 | Furniture Wholesalers |
| Hotel management services (except complete operation of client's business) | 561110 | Office Administrative Services |
| Hotel management services (i.e., providing management and operating staff to run hotel) | 721110 | Hotels (except Casino Hotels) and Motels |
| Hotel reservation services | 561599 | All Other Travel Arrangement and Reservation Services |
| Hotel tableware and kitchen articles, vitreous china, manufacturing | 327112 | Vitreous China, Fine Earthenware, and Other Pottery Product Manufacturing |
| Hotels (except casino hotels) | 721110 | Hotels (except Casino Hotels) and Motels |
| Hotels with golf courses, tennis courts, and/or other health spa facilities (i.e., resorts) | 721110 | Hotels (except Casino Hotels) and Motels |
| Hotels, casino | 721120 | Casino Hotels |
| Hotels, membership | 721110 | Hotels (except Casino Hotels) and Motels |
| Hotels, resort, with casinos | 721120 | Casino Hotels |
| Hotels, resort, without casinos | 721110 | Hotels (except Casino Hotels) and Motels |
| Hotels, seasonal, with casinos | 721120 | Casino Hotels |
| Hotels, seasonal, without casinos | 721110 | Hotels (except Casino Hotels) and Motels |
| Hotline centers | 624190 | Other Individual and Family Services |
| Hotplates, commercial-type, manufacturing | 333319 | Other Commercial and Service Industry Machinery Manufacturing |
| Hotplates, household-type electric, manufacturing | 335211 | Electric Housewares and Household Fan Manufacturing |
| House moving construction contractors | 235990 | All Other Special Trade Contractors |
| House painting construction contractors | 235210 | Painting and Wall Covering Contractors |
| House plant growing | 111422 | Floriculture Production |
| House sitting services | 812990 | All Other Personal Services |
| House slippers manufacturing | 316212 | House Slipper Manufacturing |
| House slippers, plastics or plastics soled fabric upper, manufacturing | 316212 | House Slipper Manufacturing |
| House slippers, rubber or rubber soled fabric upper, manufacturing | 316212 | House Slipper Manufacturing |
| House-to-house direct selling | 454390 | Other Direct Selling Establishments |
| Houseboat rental | 532292 | Recreational Goods Rental |
| Housecoats made in apparel knitting mills | 315191 | Outerwear Knitting Mills |
| Housecoats, infants', cut and sewn from purchased fabric (except apparel contractors) | 315291 | Infants' Cut and Sew Apparel Manufacturing |
| Housecoats, women's, girls', and infants', cut and sew apparel contractors | 315212 | Women's, Girls', and Infants' Cut and Sew Apparel Contractors |
| Housecoats, 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 |
| Housedresses, women's and girls', cut and sew apparel contractors | 315212 | Women's, Girls', and Infants' Cut and Sew Apparel Contractors |
| Housedresses, women's, misses', and girls', cut and sewn from purchased fabric (except apparel contractors) | 315233 | Women's and Girls' Cut and Sew Dress Manufacturing |
| Household and Institutional Furniture and Kitchen Cabinet Manufacturing | 3371 | Household and Institutional Furniture and Kitchen Cabinet Manufacturing |
| Household Appliance Manufacturing | 3352 | Household Appliance Manufacturing |
| Household-type appliance stores | 443111 | Household Appliance Stores |
| Household-type appliances, electrical, wholesaling | 421620 | Electrical Appliance, Television, and Radio Set Wholesalers |
| Household-type earthenware, semivitreous, manufacturing | 327112 | Vitreous China, Fine Earthenware, and Other Pottery Product Manufacturing |
| Household-type furniture wholesaling | 421210 | Furniture Wholesalers |
| Household-type furniture, upholstered, manufacturing | 337121 | Upholstered Household Furniture Manufacturing |
| Household-type furniture, wood, not upholstered (except TV and radio housings and sewing machine cabinets), manufacturi | 337122 | Nonupholstered Wood Household Furniture Manufacturing |
| Household-type insecticides manufacturing | 325320 | Pesticide and Other Agricultural Chemical Manufacturing |
| Household-type laundry equipment (e.g., dryers, washers) wholesaling | 421620 | Electrical Appliance, Television, and Radio Set Wholesalers |
| Household-type tableware and kitchen articles, vitreous china, manufacturing | 327112 | Vitreous China, Fine Earthenware, and Other Pottery Product Manufacturing |
| Household-type timing mechanisms manufacturing | 334518 | Watch, Clock, and Part Manufacturing |
| Household-type woodenware manufacturing | 321999 | All Other Miscellaneous Wood Product Manufacturing |
| Households, private, employing (e.g., cooks, maids, chauffeurs, gardeners) | 814110 | Private Households |
| Households, private, employing domestic personnel | 814110 | Private Households |
| Housekeeping cabins | 721199 | All Other Traveler Accommodation |
| Housekeeping cottages | 721199 | All Other Traveler Accommodation |
| Housekeeping services (i.e., cleaning services) | 561720 | Janitorial Services |
| Houses of correction | 922140 | Correctional Institutions |
| Houses rental or leasing | 531110 | Lessors of Residential Buildings and Dwellings |
| Houses, prefabricated metal, manufacturing | 332311 | Prefabricated Metal Building and Component Manufacturing |
| Houses, prefabricated mobile homes, manufacturing | 321991 | Manufactured Home (Mobile Home) Manufacturing |
| Houses, prefabricated, wood (except mobile homes), manufacturing | 321992 | Prefabricated Wood Building Manufacturing |
| Houses, single family attached, construction | 233210 | Single Family Housing Construction |
| Houses, single family detached, construction | 233210 | Single Family Housing Construction |
| Houses, single family semi-detached construction | 233210 | Single Family Housing Construction |
| Housewares (except electric) wholesaling | 421220 | Home Furnishing Wholesalers |
| Housewares stores | 442299 | All Other Home Furnishings Stores |
| Housewares, electric, wholesaling | 421620 | Electrical Appliance, Television, and Radio Set Wholesalers |
| Housing assistance agencies | 624229 | Other Community Housing Services |
| Housing authorities operating residential buildings | 531110 | Lessors of Residential Buildings and Dwellings |
| Housing authorities, nonoperating | 925110 | Administration of Housing Programs |
| Housing construction, multifamily | 233220 | Multifamily Housing Construction |
| Housing construction, single family | 233210 | Single Family Housing Construction |
| Housing police, government | 922120 | Police Protection |
| Housing programs, planning and development, government | 925110 | Administration of Housing Programs |
| Housing repair organizations, volunteer | 624229 | Other Community Housing Services |
| Hovercraft building | 336612 | Boat Building |
| Hovercraft sightseeing operation | 487210 | Scenic and Sightseeing Transportation, Water |
| Howitzers manufacturing | 332995 | Other Ordnance and Accessories Manufacturing |
| HA | HE | HF | HI | HM | HO | HU | HY |