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TeamingIndex

NAICS directory

Federal contractors by NAICS code

Every industry code listed in the SAM.gov registrations we index, grouped by sector. Small-business size is set per code, so each industry page shows who is small under that code’s SBA size standard, which is what a set-aside under the code requires.

Learn more about NAICS size standards

Industry codes in use
1,077
Sectors
20
Contractor listingsA company can list several codes
2,644,768
Primary listingsCode is the company’s primary NAICS
533,786

Where the most contractors in the index do business.

All codes by sector

Counts exclude excluded, expired and inactive SAM.gov registrations.

11Agriculture, Forestry, Fishing and Hunting

64 codes

21Mining, Quarrying, and Oil and Gas Extraction

21 codes

22Utilities

14 codes

23Construction

31 codes

31-33Manufacturing

366 codes

42Wholesale Trade

71 codes

44-45Retail Trade

81 codes

48-49Transportation and Warehousing

57 codes

51Information

35 codes

52Finance and Insurance

39 codes

53Real Estate and Rental and Leasing

24 codes

54Professional, Scientific, and Technical Services

51 codes

55Management of Companies and Enterprises

3 codes

56Administrative and Support and Waste Management and Remediation Services

44 codes

61Educational Services

17 codes

62Health Care and Social Assistance

39 codes

71Arts, Entertainment, and Recreation

25 codes

72Accommodation and Food Services

15 codes

81Other Services (except Public Administration)

51 codes

92Public Administration

29 codes