Department of the Treasury NAICS 541620 and PSC R499 contractors

Environmental Consulting Services. SUPPORT- PROFESSIONAL: OTHER. Cross-code overlap under Department of the Treasury.

Department of the Treasury · NAICS 541620 · PSC R499

Last updated: April 17, 2026

Visible recipients

Mapped obligations

$185,594,348

State overlap

Top recipients

Visible recipients in the Department of the Treasury overlap of NAICS 541620 and PSC R499

Navajo Nation Tribal Government

Window Rock, AZ

Window Rock, AZ | 338 awards | Top agency Department of the Treasury | NAICS 621512

Navajo Nation

Window Rock, AZ

Window Rock, AZ | 20 awards | Top agency Department of the Treasury | NAICS 541620

Confederated Tribes Of Colville Reservation

Nespelem, WA

Nespelem, WA | 230 awards | Top agency Department of the Interior | NAICS 921150