North American Industry Classification System

The North American Industry Classification System or NAICS () is a classification of business establishments by type of economic activity (the process of production). It is used by governments and business in Canada, Mexico, and the United States. It has largely replaced the older Standard Industrial Classification (SIC) system, except in some government agencies, such as the U.S. Securities and Exchange Commission (SEC).

An establishment is typically a single physical location, though administratively distinct operations at a single location may be treated as separate establishments. Each establishment is classified as an industry according to the primary business activity taking place there. NAICS does not offer guidance on organizing enterprises (companies) composed of multiple establishments.

Codes

The NAICS numbering system employs a five or six-digit code at the most detailed industry level. The first five digits are generally (although not always strictly) the same in all three countries. The first two digits designate the largest business sector; the third digit represents the subsector; the fourth digit represents the industry group; the fifth digit designates the NAICS industries, and the sixth digit represents the national industries.

+NAICS aggregation levels Digit designation Aggregation level 1-2 Sector 3 Subsector 4 Industry group 5 Industry 6 National industry +Example of NAICS structure Code Titles of categories 54 Professional, scientific, and technical services 541 Professional, scientific, and technical services 5411 Legal services 54111 Offices of lawyers 541110 Offices of lawyers

+ 2017 NAICS Sectors Sector # Description Note 11 Agriculture, Forestry, Fishing and Hunting 21 Mining, Quarrying, and Oil and Gas Extraction 22 Utilities 23 Construction 31–33 Manufacturing 41–42 Wholesale Trade (41 in Canada, 42 in the United States) 44–45 Retail Trade 48–49 Transportation and Warehousing 51 Information "Information" includes publishing industries, motion picture and sound recording, broadcasting, telecommunications, as well as data processing and hosting. 52 Finance and Insurance 53 Real Estate and Rental and Leasing 54 Professional, Scientific, and Technical Services 55 Management of Companies and Enterprises 56 Administrative and Support and Waste Management and Remediation Services 61 Educational Services 62 Health Care and Social Assistance 71 Arts, Entertainment, and Recreation 72 Accommodation and Food Services 81 Other Services (except Public Administration) 91–92 Public Administration (91 in Canada, 92 in the United States)

History

NAICS is a collaborative effort by Mexico's (INEGI), Statistics Canada, and the United States Office of Management and Budget (OMB), through its Economic Classification Policy Committee (ECPC), staffed by the Bureau of Economic Analysis (BEA), the Bureau of Labor Statistics (BLS), and the Census Bureau. The system is designed to be largely compatible with the United Nations Statistical Office's International Standard Industrial Classification system (ISIC). NAICS versions are released every five years.

With the first version, released in 1997, NAICS offered enhanced service sector coverage relative to the SIC. The 2002 revision accommodated significant changes in the Information Sector. The 2012 revision slightly reduced the number of industries and modified six sectors. NAICS changes are done at intervals of five years; the latest NAICS updated in 2022.

See also Global Industry Classification Standard (GICS) Industry Classification Benchmark (ICB) International Standard Industrial Classification (ISIC) North American Product Classification System (NAPCS) Standard Industrial Classification (SIC) Statistical Classification of Economic Activities in the European Community (NACE) Thomson Reuters Business Classification (TRBC)

Notes

References

North American Industry Classification System

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