HAHE HFHIHM HOHUHY
Index entryNAICS
Code		U.S. NAICS Title
Head offices 551114 Corporate, Subsidiary, and Regional Managing Offices
Head rice manufacturing 311212 Rice Milling
Head start programs, separate from schools 624410 Child Day Care Services
Headbands, women's and girls', cut and sewn from purchased fabric (except apparel contractors) 315999 Other Apparel Accessories and Other Apparel Manufacturing
Headbands, women's, girls', and infants', cut and sew apparel contractors 315212 Women's, Girls', and Infants' Cut and Sew Apparel Contractors
Headboards, wood, manufacturing 337122 Nonupholstered Wood Household Furniture Manufacturing
Heading, barrel (i.e., cooperage stock), wood, manufacturing 321920 Wood Container and Pallet Manufacturing
Heads (e.g., recording, read/write), manufacturing 334419 Other Electronic Component Manufacturing
Heads-up display (HUD) systems, aeronautical, manufacturing 334511 Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing
Health and beauty aids stores 446110 Pharmacies and Drug Stores
Health and Personal Care Stores 446 Health and Personal Care Stores
Health and Personal Care Stores 4461 Health and Personal Care Stores
Health and welfare funds 525120 Health and Welfare Funds
Health Care and Social Assistance 62 Health Care and Social Assistance
Health club facilities, physical fitness 713940 Fitness and Recreational Sports Centers
Health foods (except fresh fruits, vegetables) wholesaling 422490 Other Grocery and Related Products Wholesalers
Health foods, fresh fruits and vegetables, wholesaling 422480 Fresh Fruit and Vegetable Wholesalers
Health insurance carriers, direct 524114 Direct Health and Medical Insurance Carriers
Health lamp bulbs, infrared and ultraviolet radiation, manufacturing 335110 Electric Lamp Bulb and Part Manufacturing
Health maintenance organization (HMO) medical centers and clinics 621491 HMO Medical Centers
Health or athletic club construction 233320 Commercial and Institutional Building Construction
Health planning and development agencies, government 923120 Administration of Public Health Programs
Health professionals' associations 813920 Professional Organizations
Health professions licensure agencies 926150 Regulation, Licensing, and Inspection of Miscellaneous Commercial Sectors
Health program administration 923120 Administration of Public Health Programs
Health research and development laboratories or services 541710 Research and Development in the Physical, Engineering, and Life Sciences
Health research fundraising organizations 813212 Voluntary Health Organizations
Health screening services (except by offices of health practitioners) 621999 All Other Miscellaneous Ambulatory Health Care Services
Health screening services in physicians' offices 621111 Offices of Physicians (except Mental Health Specialists)
Health spas (i.e., physical fitness facilities) with accommodations 721110 Hotels (except Casino Hotels) and Motels
Health spas without accommodations, physical fitness 713940 Fitness and Recreational Sports Centers
Health statistics centers, government 923120 Administration of Public Health Programs
Health studios, physical fitness 713940 Fitness and Recreational Sports Centers
Hearing aid stores 446199 All Other Health and Personal Care Stores
Hearing aids wholesaling 421450 Medical, Dental, and Hospital Equipment and Supplies Wholesalers
Hearing aids, electronic, manufacturing 334510 Navigational, Measuring, Electromedical, and Control Instruments Manufacturing
Hearing testing services (except by offices of audiologists) 621999 All Other Miscellaneous Ambulatory Health Care Services
Hearing testing services by offices of audiologists 621340 Offices of Physical, Occupational and Speech Therapists, and Audiologists
Hearse bodies manufacturing 336211 Motor Vehicle Body Manufacturing
Hearse rental 532111 Passenger Car Rental
Hearse rental with driver 485320 Limousine Service
Hearses assembling on chassis of own manufacture 336111 Automobile Manufacturing
Hearses assembling on purchased chassis 336211 Motor Vehicle Body Manufacturing
Heart-lung machine, manufacturing 334510 Navigational, Measuring, Electromedical, and Control Instruments Manufacturing
Heat exchangers manufacturing 332410 Power Boiler and Heat Exchanger Manufacturing
Heat pump construction contractors 235110 Plumbing, Heating, and Air-Conditioning Contractors
Heat pumps manufacturing 333415 Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing
Heat pumps wholesaling 421730 Warm Air Heating and Air-Conditioning Equipment and Supplies Wholesalers
Heat sensitized (i.e., thermal) paper made from purchased paper 325992 Photographic Film, Paper, Plate, and Chemical Manufacturing
Heat shields, carbon or graphite, manufacturing 335991 Carbon and Graphite Product Manufacturing
Heat treating metals and metal products for the trade 332811 Metal Heat Treating
Heat treating ovens, industrial process-type, manufacturing 333994 Industrial Process Furnace and Oven Manufacturing
Heat, steam, distribution 221330 Steam and Air-Conditioning Supply
Heated air distribution 221330 Steam and Air-Conditioning Supply
Heaters, portable electric space, manufacturing 335211 Electric Housewares and Household Fan Manufacturing
Heaters, portable electric, wholesaling 421620 Electrical Appliance, Television, and Radio Set Wholesalers
Heaters, space (except portable electric), manufacturing 333414 Heating Equipment (except Warm Air Furnaces) Manufacturing
Heaters, swimming pool, manufacturing 333414 Heating Equipment (except Warm Air Furnaces) Manufacturing
Heaters, tape, manufacturing 335211 Electric Housewares and Household Fan Manufacturing
Heating and air conditioning combination units manufacturing 333415 Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing
Heating and cooling system controls, residential and commercial, manufacturing 334512 Automatic Environmental Control Manufacturing for Residential, Commercial, and Appliance Use
Heating boilers, steam and hot water, wholesaling 421720 Plumbing and Heating Equipment and Supplies (Hydronics) Wholesalers
Heating construction contractors 235110 Plumbing, Heating, and Air-Conditioning Contractors
Heating engineering consulting services 541330 Engineering Services
Heating equipment, hot water (except hot water heaters), manufacturing 333414 Heating Equipment (except Warm Air Furnaces) Manufacturing
Heating equipment, hot water, wholesaling 421720 Plumbing and Heating Equipment and Supplies (Hydronics) Wholesalers
Heating equipment, warm air (i.e. forced air), wholesaling 421730 Warm Air Heating and Air-Conditioning Equipment and Supplies Wholesalers
Heating equipment, warm air (i.e., forced air), manufacturing 333415 Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing
Heating oil dealers, direct selling 454311 Heating Oil Dealers
Heating oils made in petroleum refineries 324110 Petroleum Refineries
Heating pads, electric, manufacturing 335211 Electric Housewares and Household Fan Manufacturing
Heating regulators manufacturing 334512 Automatic Environmental Control Manufacturing for Residential, Commercial, and Appliance Use
Heating steam (suppliers of heat) providers 221330 Steam and Air-Conditioning Supply
Heating units for electric appliances manufacturing 335211 Electric Housewares and Household Fan Manufacturing
Heating units, baseboard, manufacturing 333414 Heating Equipment (except Warm Air Furnaces) Manufacturing
Heavy Construction 234 Heavy Construction
Heavy construction equipment rental with operator 234990 All Other Heavy Construction
Heavy construction equipment rental without operator 532412 Construction, Mining, and Forestry Machinery and Equipment Rental and Leasing
Heavy equipment operation schools 611519 Other Technical and Trade Schools
Heavy equipment repair training 611519 Other Technical and Trade Schools
Heavy machinery and equipment repair and maintenance services 811310 Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance
Heavy trucks assembling on chassis of own manufacture 336120 Heavy Duty Truck Manufacturing
Heavy trucks assembling on purchased chassis 336211 Motor Vehicle Body Manufacturing
Heavy water (i.e., deuterium oxide) manufacturing 325188 All Other Basic Inorganic Chemical Manufacturing
Hedge shears and trimmers, nonelectric, manufacturing 332212 Hand and Edge Tool Manufacturing
Hedge trimmers, powered, manufacturing 333112 Lawn and Garden Tractor and Home Lawn and Garden Equipment Manufacturing
Heel caps, leather or metal, manufacturing 316999 All Other Leather Good Manufacturing
Heel lifts, leather, manufacturing 316999 All Other Leather Good Manufacturing
Heels, boot and shoe, finished wood, manufacturing 321999 All Other Miscellaneous Wood Product Manufacturing
Heels, boot and shoe, leather, manufacturing 316999 All Other Leather Good Manufacturing
Helical springs, hot wound heavy gauge, manufacturing 332611 Spring (Heavy Gauge) Manufacturing
Helical springs, light gauge, manufacturing 332612 Spring (Light Gauge) Manufacturing
Helicopter carriers, freight, nonscheduled 481212 Nonscheduled Chartered Freight Air Transportation
Helicopter freight carriers, scheduled 481112 Scheduled Freight Air Transportation
Helicopter passenger carriers (except scenic, sightseeing), nonscheduled 481211 Nonscheduled Chartered Passenger Air Transportation
Helicopter passenger carriers, scheduled 481111 Scheduled Passenger Air Transportation
Helicopter ride, scenic and sightseeing, operation 487990 Scenic and Sightseeing Transportation, Other
Helicopters manufacturing 336411 Aircraft Manufacturing
Helium manufacturing 325120 Industrial Gas Manufacturing
Helium recovery from natural gas 325120 Industrial Gas Manufacturing
Helmets (except athletic), safety (e.g., motorized vehicle crash helmets, space helmets), manufacturing 339113 Surgical Appliance and Supplies Manufacturing
Helmets, athletic (except motorized vehicle crash helmets), manufacturing 339920 Sporting and Athletic Goods Manufacturing
Help supply services 561320 Temporary Help Services
Hematite mining and/or beneficiating 212210 Iron Ore Mining
Hematology in-vitro diagnostic substances manufacturing 325413 In-Vitro Diagnostic Substance Manufacturing
Hematology in-vivo diagnostic substances manufacturing 325412 Pharmaceutical Preparation Manufacturing
Hematology instruments manufacturing 334516 Analytical Laboratory Instrument Manufacturing
Hematology products (except diagnostic substances) manufacturing 325414 Biological Product (except Diagnostic) Manufacturing
Hemlock extract manufacturing 325191 Gum and Wood Chemical Manufacturing
Hemlock gum gathering 113210 Forest Nurseries and Gathering of Forest Products
Hemodialysis centers and clinics 621492 Kidney Dialysis Centers
Hemp bags made from purchased fiber 313111 Yarn Spinning Mills
Hemp ropes made from purchased fiber 313111 Yarn Spinning Mills
Hemp spun yarns made from purchased fiber 313111 Yarn Spinning Mills
Hemstitching apparel contractors on men's and boys' apparel 315211 Men's and Boys' Cut and Sew Apparel Contractors
Hemstitching apparel contractors on women's, girls', and infants' apparel 315212 Women's, Girls', and Infants' Cut and Sew Apparel Contractors
Heptanes made from refined petroleum or liquid hydrocarbons 325110 Petrochemical Manufacturing
Heptenes made from refined petroleum or liquid hydrocarbons 325110 Petrochemical Manufacturing
Herb farming, grown under cover 111419 Other Food Crops Grown Under Cover
Herb farming, open field 111998 All Other Miscellaneous Crop Farming
Herbaceous perennial growing 111421 Nursery and Tree Production
Herbalists' offices (e.g., centers, clinics) 621399 Offices of All Other Miscellaneous Health Practitioners
Herbariums 712110 Museums
Herbicides manufacturing 325320 Pesticide and Other Agricultural Chemical Manufacturing
Heritage festival managers with facilities 711310 Promoters of Performing Arts, Sports, and Similar Events with Facilities
Heritage festival managers without facilities 711320 Promoters of Performing Arts, Sports, and Similar Events without Facilities
Heritage festival organizers with facilities 711310 Promoters of Performing Arts, Sports, and Similar Events with Facilities
Heritage festival organizers without facilities 711320 Promoters of Performing Arts, Sports, and Similar Events without Facilities
Heritage festival promoters with facilities 711310 Promoters of Performing Arts, Sports, and Similar Events with Facilities
Heritage festival promoters without facilities 711320 Promoters of Performing Arts, Sports, and Similar Events without Facilities
Heritage villages 712120 Historical Sites
Herring fishing 114111 Finfish Fishing
Heterocyclic chemicals, not specified elsewhere by process, manufacturing 325199 All Other Basic Organic Chemical Manufacturing
Hexadecanol manufacturing 325199 All Other Basic Organic Chemical Manufacturing
Hexamethylenediamine manufacturing 325199 All Other Basic Organic Chemical Manufacturing
Hexamethylenetetramine manufacturing 325199 All Other Basic Organic Chemical Manufacturing
Hexanol manufacturing 325199 All Other Basic Organic Chemical Manufacturing

HAHE HFHIHM HOHUHY
6/ 5/98