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.
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.
- 0000-0999 Agriculture, Forestry and Fishing
- 1000-1499 Mining
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1500-1999 Construction
- 1500-1599 General Building Contractors
- 1600-1699 Heavy Construction, Ex. Building
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1700-1799 Special Trade Contractors
- 1710-1719 Plumbing, Heating and Air-Conditioning
- 1720-1729 Painting and Paper Hanging
- 1730-1739 Electrical Work
- 1740-1749 Masonary, Stonework and Plastering
- 1750-1759 Carpentry and Floor Work
- 1760-1769 Roofing, Siding and Sheet Metal Work
- 1770-1779 Concrete Work
- 1780-1789 Water Well Drilling
- 1790-1799 Misc. Special Trade Contractors
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2000-3999 Manufacturing
- 2000-2099 Food and Kindred products
- 2100-2199 Tobacco Products
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2200-2299 Textile Mill Products
- 2210-2219 Broadwoven Fabric Mills, Cotton
- 2220-2229 Broadwoven Fabric Mills, Manmade
- 2230-2239 Broadwoven Fabric Mills, Wool
- 2240-2249 Narrow Fabric Mills
- 2250-2259 Knitting Mills
- 2260-2269 Textile Finishing, Except Wool
- 2270-2279 Carpets and Rugs
- 2280-2289 Yam and Thread Mills
- 2290-2299 Miscellaneous Textile Goods
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2300-2399 Apparel and Other Textile
- 2310-2319 Men's and Boy's Suits and Coats
- 2320-2329 Men's and Boy's Furnishings
- 2330-2339 Women's and Misses's Outerwear
- 2340-2349 Women's and Children's Undergarments
- 2350-2359 Hats, Caps and Millinery
- 2360-2369 Girls' and Children's Outerwear
- 2370-2379 Fur Goods
- 2380-2389 Miscellaneous Apparel and Accessories
- 2390-2399 Misc. Fabricated Textile products
- 2400-2499 Lumber and Wood Products
- 2500-2599 Furniture and Fixtures
- 2600-2699 Paper and Allied Products
- 2700-2799 Printing and Publishing
- 2800-2899 Chemicals and Allied Products
- 2900-2999 Petroleum and Coal Products
- 3000-3099 Rubber and Misc. Plastics Products
- 3100-3199 Leather and Leather Products
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3200-3299 Stone, Clay and Glass Products
- 3210-3219 Flat Glass
- 3220-3229 Glass and Glassware, Pressed or Blown
- 3230-3239 Products of Purchased Glass
- 3240-3249 Cement, Hydraulic
- 3250-3259 Structural Clay Products
- 3260-3269 Pottery and Related Products
- 3270-3279 Concrete, Gypsum and Plaster Products
- 3280-3289 Cut Stone and Stone Products
- 3290-3299 Misc. Nonmetallic Mineral Products
- 3300-3399 Primary Metal Industries
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3400-3499 Fabricated Metal Products
- 3410-3419 Metal Cans and Shipping Containers
- 3420-3429 Cutlery, Handtools and Hardware
- 3430-3439 Plumbing and Heating, Except Electric
- 3440-3449 Fabricated Structural Metal Products
- 3450-3459 Screw Machine Products, Bolts, Etc.
- 3460-3469 Metal Forgings and Stampings
- 3470-3479 Metal Services, NEC
- 3480-3489 Ordnance and Accessories
- 3490-3499 Misc. Fabricated Metal Products
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3500-3599 Industrial Machinery and Equipment
- 3510-3519 Engines and Turbines
- 3520-3529 Farm and Garden Machinery
- 3530-3539 Construction and Related Machinery
- 3540-3549 Metalworking Machinery
- 3550-3559 Special Industry Machinery
- 3560-3569 General Industrial Machinery
- 3570-3579 Computer and Office Equipment
- 3580-3589 Refrigeration and Service Machinery
- 3590-3599 Industrial Machinery, NEC
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3600-3699 Electronic & Other Electric Equipment
- 3610-3619 Electric Distribution Equipment
- 3620-3629 Electrical Industrial Apparatus
- 3630-3639 Household Appliances
- 3640-3649 Electric Lighting and Wiring Equipment
- 3650-3659 Household Audio and Video Equipment
- 3660-3669 Communications Equipment
- 3670-3679 Electronic Components and Accessories
- 3690-3699 Misc. Electrical Equipment & Supplies
- 3700-3799 Transportation Equipment
- 3800-3899 Instruments and Related Products
- 3900-3999 Miscellaneous Manufacturing Industries
-
4000-4999 Transportation and Public Utilities
- 4000-4099 Railroad Transportation
- 4100-4199 Local and Interurban Passenger Transit
- 4200-4299 Trucking and Warehousing
- 4400-4499 Water Transportation
- 4500-4599 Transportation by Air
- 4600-4699 Pipelines, Except Natural Gas
- 4700-4799 Transporation Services
- 4800-4899 Communication
- 4900-4999 Electric, Gas and Sanitary Services
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5000-5199 Wholesale Trade
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5000-5099 Wholesale Trade - Durable Goods
- 5010-5019 Motor Vehicles, Parts and Supplies
- 5020-5029 Furniture and Home furnishings
- 5030-5039 Lumber and Construction Materials
- 5040-5049 Professional & Commercial Equipment
- 5050-5059 Metals and Minerals, Except Petroleum
- 5060-5069 Electrical Goods
- 5070-5079 Hardware, Plumbing and Heating Equipment
- 5080-5089 Machinery, Equipment and Supplies
- 5090-5099 Miscellaneous Durable Goods
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5100-5199 Wholesale Trade - Nondurable Goods
- 5110-5119 Paper and Paper products
- 5120-5129 Drugs, Proprietaries and Sundries
- 5130-5139 Apparel, Piece Goods and Notions
- 5140-5149 Groceries and Related Products
- 5150-5159 Farm-Product Raw Materials
- 5160-5169 Chemicals and Allied Products
- 5170-5179 Pertroleum and Petroleum Products
- 5180-5189 Beer, Wine and Distilled Beverages
- 5190-5199 Misc. Nondurable Goods
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5000-5099 Wholesale Trade - Durable Goods
-
5200-5999 Retail Trade
- 5200-5299 Building Materials and Garden Supplies
- 5300-5399 General Merchandise Stores
- 5400-5499 Food Stores
- 5500-5599 Automotive Dealers and Service Stations
- 5600-5699 Apparel and Accessory Stores
- 5700-5799 Furniture and Home furnishings Stores
- 5800-5899 Eating and Drinking Places
- 5900-5999 Miscellaneous Retail
- 6000-6999 Finance, Insurance and Real Estate
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7000-8999 Services
- 7000-7099 Hotels and Other Lodging Places
- 7200-7299 Personal Services
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7300-7399 Business Services
- 7310-7319 Advertising
- 7320-7329 Credit Reporting and Collection
- 7330-7339 Mailing, Reproduction and Stenographic
- 7340-7349 Services to Buildings
- 7350-7359 Misc. Equipment Rental and Leasing
- 7360-7369 Personnel Supply Services
- 7370-7379 Computer and Data Processing Services
- 7380-7389 Miscellaneous Business Services
- 7500-7599 Auto Repair, Services and Parking
- 7600-7699 Miscellaneous Repair Services
- 7800-7899 Motion Pictures
- 7900-7999 Amusement & Recreation Services
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8000-8099 Health Services
- 8010-8019 Offices and Clinics of Medical Doctors
- 8020-8029 Offices and Clinics of Dentists
- 8030-8039 Offices of Osteopathic Physicians
- 8040-8049 Office of Other Health Practitioners
- 8050-8059 Nursing and Personal Care Facilities
- 8060-8069 Hospitals
- 8070-8079 Medical and Dental Laboratories
- 8080-8089 Home Health Care Services
- 8090-8099 Health and Allied Services, NEC
- 8100-8199 Legal Services
- 8200-8299 Educational Services
- 8300-8399 Social Services
- 8400-8499 Museums, Botanical and Zoological Gardens
- 8700-8799 Engineering and Management Services
- 8900-8999 Services, NEC
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