Department of Homeland Security NAICS 541330 and PSC R425 contractors

Engineering Services. SUPPORT- PROFESSIONAL: ENGINEERING/TECHNICAL. Cross-code overlap under Department of Homeland Security.

Department of Homeland Security · NAICS 541330 · PSC R425

Last updated: April 19, 2026

Visible recipients

Mapped obligations

$302,955,853,577

State overlap

Top recipients

Visible recipients in the Department of Homeland Security overlap of NAICS 541330 and PSC R425

Booz Allen Hamilton Engineering Services, LLC

Annapolis Junction, MD

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

Northrop Grumman Technical Services, Inc.

Mclean, VA

Mclean, VA | 26 awards | Top agency Department of Defense | NAICS 488190

Page 10 of 10Prev 1...9 10

Agency profile

Loading buyer-level contractor and category paths

Agency + NAICS + PSC page