Department of the Interior NAICS 541710 and PSC R425 contractors

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

Department of the Interior · NAICS 541710 · PSC R425

Last updated: April 17, 2026

Visible recipients

Mapped obligations

$24,684,958,713

State overlap

Top recipients

Visible recipients in the Department of the Interior overlap of NAICS 541710 and PSC R425

Btas INC

Beavercreek, OH

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

$132,584,790

Booz Allen Hamilton Engineering Services, LLC

Annapolis Junction, MD

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

$633,989,222

Page 2 of 2Prev 1 2

Agency profile

Loading buyer-level contractor and category paths

Home/Department of the Interior/NAICS 541710/PSC R425

Agency + NAICS + PSC page