SamMatchFederal subcontracting compliance

Find DOT small business subcontractors

The Department of Transportation buys construction, engineering, and logistics services. Primes on DOT contracts use SamMatch to find certified small business subcontractors by NAICS and capability.

About Department of Transportation subcontracting

DOT primes carry standard FAR 52.219-9 subcontracting goals. Construction, civil engineering, and logistics are common subcontracting areas.

Common DOT subcontracting verticals

  • Construction (NAICS 236220, 237310)
  • Engineering and surveying (NAICS 541330, 541370)
  • Logistics and warehousing (NAICS 493110, 484121)
  • Professional services (NAICS 541611)

How to find DOT subcontractors on SamMatch

  • Enter your requirement — target NAICS and required socio-economic categories.
  • Get ranked matches from the ACTIVE SAM.gov / SBA DSBS small business pool.
  • Filter to 8(a), HUBZone, SDVOSB, or WOSB to fill specific plan goals.
  • Log outreach for your FAR 52.219-9 good-faith-effort record.

Frequently asked questions

Does SamMatch cover DBE requirements?

SamMatch matches federal small business subcontractors by NAICS and federal certification. Disadvantaged Business Enterprise (DBE) programs are administered separately by state and DOT programs — verify DBE status through the relevant program.

Related resources

Ready to source subs against your subcontracting plan?

Rank SAM.gov-verified small businesses by NAICS and socio-economic category — $299/mo for primes.

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