Department of the Interior NAICS 541710 and PSC R499 contractors

Research and Development in the Physical, Engineering, and Life Sciences. SUPPORT- PROFESSIONAL: OTHER. Cross-code overlap under Department of the Interior.

Department of the Interior · NAICS 541710 · PSC R499

Last updated: April 17, 2026

Visible recipients

Mapped obligations

$7,698,407,122

State overlap

Top recipients

Visible recipients in the Department of the Interior overlap of NAICS 541710 and PSC R499

Kbr Wyle Services, LLC

Fulton, MD

Fulton, MD | 645 awards | Top agency Department of Defense | NAICS 541712

$6,437,755,159

Chenega Federal Systems, LLC

Bethesda, MD

Bethesda, MD | 20 awards | Top agency Department of Defense | NAICS 541330

$111,467,894

Maniilaq Association

Kotzebue, AK

Kotzebue, AK | 92 awards | Top agency Department of Health and Human Services | NAICS 541710

$46,436

Hdr Environmental, Operations And Construction, Inc.

Englewood, CO

Englewood, CO | 109 awards | Top agency Department of Defense | NAICS 541330

$157,749,557

Bristol Bay Native Association, Inc.

Dillingham, AK

Dillingham, AK | 80 awards | Top agency Department of the Interior | NAICS 541710

$163,042

Btas INC

Beavercreek, OH

Beavercreek, OH | 50 awards | Top agency Department of Defense | NAICS 541712

$77,914,352

Booz Allen Hamilton Engineering Services, LLC

Annapolis Junction, MD

Annapolis Junction, MD | 11 awards | Top agency Department of Defense | NAICS 541330

$913,310,682

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