The North American Industry Classification System (NAICS, pronounced Nakes) was developed as the standard for use by Federal statistical agencies in classifying business establishments for the collection, analysis, and publication of statistical data related to the business economy of the U.S. NAICS was developed under the auspices of the Office of Management and Budget (OMB), and adopted in 1997 to replace the old Standard Industrial Classification (SIC) system. It was also developed in cooperation with the statistical agencies of Canada and Mexico to establish a 3-country standard that allows for a high level of comparability in business statistics among the three countries. NAICS is the first economic classification system to be constructed based on a single economic concept.


NAICS Industry Groups
NAICS Code Description
423110 Automobile and Other Motor Vehicle Merchant Wholesalers
423120 Motor Vehicle Supplies and New Parts Merchant Wholesalers
423130 Tire and Tube Merchant Wholesalers
423140 Motor Vehicle Parts (Used) Merchant Wholesalers
423210 Furniture Merchant Wholesalers
423220 Home Furnishing Merchant Wholesalers
423310 Lumber,Plywood,Millwork,and Wood Panel Merchant Wholesalers
423320 Brick,Stone,and Related Construction Material Merchant Wholesalers
423330 Roofing,Siding,and Insulation Material Merchant Wholesalers
423390 Other Construction Material Merchant Wholesalers
423410 Photographic Equipment and Supplies Merchant Wholesalers
423420 Office Equipment Merchant Wholesalers
423430 Computer and Computer Peripheral Equipment and Software Merchant Wholesalers
423440 Other Commercial Equipment Merchant Wholesalers
423450 Medical,Dental,and Hospital Equipment and Supplies Merchant Wholesalers
423460 Ophthalmic Goods Merchant Wholesalers
423490 Other Professional Equipment and Supplies Merchant Wholesalers
423510 Metal Service Centers and Other Metal Merchant Wholesalers
423520 Coal and Other Mineral and Ore Merchant Wholesalers
423610 Electrical Apparatus and Equipment,Wiring Supplies,and Related Equipment Merchant Wholesalers
423620 Electrical and Electronic Appliance,Television,and Radio Set Merchant Wholesalers
423690 Other Electronic Parts and Equipment Merchant Wholesalers
423710 Hardware Merchant Wholesalers
423720 Plumbing and Heating Equipment and Supplies (Hydronics) Merchant Wholesalers
423730 Warm Air Heating and Air-Conditioning Equipment and Supplies Merchant Wholesalers
423740 Refrigeration Equipment and Supplies Merchant Wholesalers
423810 Construction and Mining (except Oil Well) Machinery and Equipment Merchant Wholesalers
423820 Farm and Garden Machinery and Equipment Merchant Wholesalers
423830 Industrial Machinery and Equipment Merchant Wholesalers
423840 Industrial Supplies Merchant Wholesalers
423850 Service Establishment Equipment and Supplies Merchant Wholesalers
423860 Transportation Equipment and Supplies (except Motor Vehicle) Merchant Wholesalers
423910 Sporting and Recreational Goods and Supplies Merchant Wholesalers
423920 Toy and Hobby Goods and Supplies Merchant Wholesalers
423930 Recyclable Material Merchant Wholesalers
423940 Jewelry,Watch,Precious Stone,and Precious Metal Merchant Wholesalers
423990 Other Miscellaneous Durable Goods Merchant Wholesalers
424110 Printing and Writing Paper Merchant Wholesalers
424120 Stationery and Office Supplies Merchant Wholesalers
424130 Industrial and Personal Service Paper Merchant Wholesalers
424210 Drugs and Druggists Sundries Merchant Wholesalers
424310 Piece Goods,Notions,and Other Dry Goods Merchant Wholesalers
424320 Mens and Boys Clothing and Furnishings Merchant Wholesalers
424330 Womens,Childrens,and Infants Clothing and Accessories Merchant Wholesalers
424340 Footwear Merchant Wholesalers
424410 General Line Grocery Merchant Wholesalers
424420 Packaged Frozen Food Merchant Wholesalers
424430 Dairy Product (except Dried or Canned) Merchant Wholesalers
424440 Poultry and Poultry Product Merchant Wholesalers
424450 Confectionery Merchant Wholesalers
424460 Fish and Seafood Merchant Wholesalers
424470 Meat and Meat Product Merchant Wholesalers
424480 Fresh Fruit and Vegetable Merchant Wholesalers
424490 Other Grocery and Related Products Merchant Wholesalers
424510 Grain and Field Bean Merchant Wholesalers
424520 Livestock Merchant Wholesalers
424590 Other Farm Product Raw Material Merchant Wholesalers
424610 Plastics Materials and Basic Forms and Shapes Merchant Wholesalers
424690 Other Chemical and Allied Products Merchant Wholesalers
424710 Petroleum Bulk Stations and Terminals
424720 Petroleum and Petroleum Products Merchant Wholesalers (except Bulk Stations and Terminals)
424810 Beer and Ale Merchant Wholesalers
424820 Wine and Distilled Alcoholic Beverage Merchant Wholesalers
424910 Farm Supplies Merchant Wholesalers
424920 Book,Periodical,and Newspaper Merchant Wholesalers
424930 Flower,Nursery Stock,and Florists Supplies Merchant Wholesalers
424940 Tobacco and Tobacco Product Merchant Wholesalers
424950 Paint,Varnish,and Supplies Merchant Wholesalers
424990 Other Miscellaneous Nondurable Goods Merchant Wholesalers
425110 Business to Business Electronic Markets
425120 Wholesale Trade Agents and Brokers

The SIC covers the entire field of economic activities by defining industries in accordance with the composition and structure of the economy. Over the years, it was revised periodically to reflect the economy's changing industry composition and organization. The Office of Management and Budget (OMB) last updated the SIC in 1987.


SIC Industry Groups

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