Software Publishers

NAICS code: 51121

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SBA size standard

NAICS 51121 was retired in the 2022 NAICS revision

51121 does not appear in the current NAICS-2022 structure, so it carries no current SBA size standard of its own. The current equivalent is NAICS 513210 (Software Publishers).

Current NAICS code	Industry	SBA size standard
513210	Software Publishers	$47.0 million

Source: U.S. Census Bureau official NAICS revision concordances (census.gov/naics/concordances/: 2002_to_2007_NAICS.xls, 2007_to_2012_NAICS.xls, 2012_to_2017_NAICS.xlsx, 2017_to_2022_NAICS.xlsx), cross-checked against the SBA Table of Size Standards and live eCFR 13 CFR 121.201 for each successor's size standard, all fetched 2026-07-27.

Corporate buyers

Corporate supplier diversity programs in this industry

Fortune 500 companies running supplier diversity programs that source from NAICS 51xx-related industries.

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Next step

Competing for contracts under NAICS 51121.

The certification quiz checks which supplier diversity programs qualify your business under this NAICS code. Federal programs: 8(a), HUBZone, WOSB, SDVOSB. Corporate programs: NMSDC MBE, WBENC WBE, NGLCC LGBTBE. The result orders the matches by which buyers active in this industry accept each one.

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Data sources

NAICS code and title are from the U.S. Census Bureau North American Industry Classification System. SBA small-business size standards are from the U.S. Small Business Administration table of small business size standards. Corporate program data is editorial coverage by SupplierDiversity.com.