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Home/Maryland/Department of Homeland Security/NAICS 541330/PSC R499

State + agency + NAICS + PSC page

Department of Homeland Security NAICS 541330 and PSC R499 contractors in Maryland

Engineering Services. SUPPORT- PROFESSIONAL: OTHER. Deepest cross-filter overlap.

Maryland · Department of Homeland Security

Last updated: April 17, 2026

Visible recipients

11

Mapped obligations

$20,087,072,639

Cross-code depth

4 filters

Top recipients

Visible recipients tied to Department of Homeland Security, Maryland, NAICS 541330, and PSC R499

Booz Allen Hamilton Engineering Services, LLC

Annapolis Junction, MD

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

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Department of Homeland Security NAICS 541330 -- drop PSC filter
Department of Homeland Security PSC R499 -- drop NAICS filter