NAICS code
NAICS (North American Industry Classification System) codes are six-digit industry codes.
Facts checked
Definition
NAICS (North American Industry Classification System) codes are six-digit industry codes. Federal solicitations carry one NAICS code, and SBA's size standard for that code decides whether a firm counts as small for that contract.
The 2022 edition is current. A NAICS 2027 revision was proposed in July 2026; register under the codes that describe your work and recheck them when a new edition is adopted.
How it differs
- 01
vs. Product and Service Code (PSC)
NAICS classifies the industry of the work; a PSC classifies the product or service bought. What is PSC?
- 02
vs. UNSPSC code
UNSPSC is a product-and-service code many states use; NAICS is the industry code federal agencies use. What is UNSPSC?
Related terms
Questions
What does NAICS mean in procurement?
NAICS (North American Industry Classification System) codes are six-digit industry codes. Federal solicitations carry one NAICS code, and SBA's size standard for that code decides whether a firm counts as small for that contract.
What is the difference between NAICS and PSC?
NAICS classifies the industry of the work; a PSC classifies the product or service bought.
What is the difference between NAICS and UNSPSC?
UNSPSC is a product-and-service code many states use; NAICS is the industry code federal agencies use.