Choosing NAICS codes and PSCs
Learn how NAICS codes and Product and Service Codes classify what the government buys, how they drive size standards and set-asides, and how to pick and use the right codes for your business.
Start the pathSources
- census.gov/naics/
- govinfo.gov/content/pkg/FR-2026-07-13/pdf/2026-14086.pdf
- federalregister.gov/documents/2022/09/29/2022-20513/small-business-size-standards-adoption-of-2022-north-american-industry-classification-system-for
- law.cornell.edu/cfr/text/13/121.402
- law.cornell.edu/cfr/text/13/121.1103
- origin-www.acquisition.gov/psc-manual/all?page=0
- acq.osd.mil/asda/dpc/ce/p2p/docs/transparency/PSC_Quick_Guide_v4.pdf
- waru.edu/acquipedia-article/product-and-service-code-psc
- smallgovcon.com/federal-government-contracting/sba-introduces-its-new-small-business-search-system/
- federalregister.gov/documents/2026/08/20/2026-17042/small-business-size-standards