North America - U.S. Census Bureau
North American Industry Classification System 2022
2,125 codes across 20 top-level sections. Click any sector below to see its full definition, subcategories, and crosswalks to other classification systems.
Version: 2022Official source
Top-level sections
- 11Agriculture, Forestry, Fishing and Hunting
- 21Mining, Quarrying, and Oil and Gas Extraction
- 22Utilities
- 23Construction
- 31-33Manufacturing
- 42Wholesale Trade
- 44-45Retail Trade
- 48-49Transportation and Warehousing
- 51Information
- 52Finance and Insurance
- 53Real Estate and Rental and Leasing
- 54Professional, Scientific, and Technical Services
- 55Management of Companies and Enterprises
- 56Administrative and Support and Waste Management and Remediation Services
- 61Educational Services
- 62Health Care and Social Assistance
- 71Arts, Entertainment, and Recreation
- 72Accommodation and Food Services
- 81Other Services (except Public Administration)
- 92Public Administration
Compare with other systems
Browse the same sectors in other major classification systems.