NAICS 621511 and PSC B504 contractors

Medical Laboratories. SPECIAL STUDIES/ANALYSIS- CHEMICAL/BIOLOGICAL. Cross-code contractor overlap.

NAICS 621511 + PSC B504

Last updated: April 17, 2026

Visible recipients

Mapped obligations

$23,105

State overlap

Top recipients

Visible recipients in the NAICS 621511 and PSC B504 overlap

The Klamath Tribes

Chiloquin, OR

Chiloquin, OR | 79 awards | Top agency Department of the Interior | NAICS 541380