Skip to main content
TeamingIndex

NAICS 541380 · Professional, Scientific, and Technical Services

Testing Laboratories and Services

9,098 contractors list NAICS 541380 (Testing Laboratories and Services) in SAM.gov; 5,559 are small under its SBA size standard and 1,774 list it as their primary NAICS.

Learn more about NAICS size standards

Contractors (all registrations)
9,098
Small under 541380SBA size standard for this code
5,559
Primary NAICSTheir main line of business
1,774
Related industriesCodes these firms also list
8

Work this industry

Size is NAICS-specific: a firm can be small under one code and other than small under another. Learn more about small business set-asides

Contractors listing NAICS 541380

Claimed profiles come first by membership level, then companies with 541380 as their primary NAICS, then federal obligations over the last 36 months. SPRS shows the highest blind bracket met, never the score. Learn more about blind SPRS brackets

Including excluded, expired and inactive SAM.gov registrations (flagged in the list). Excluded entities cannot receive federal awards or subcontracts. Hide them

Showing 1–20 of 9,098 contractors

Codes these contractors list most often alongside 541380: natural teaming adjacencies.