Department of Homeland Security NAICS 488190 and PSC R499 contractors in Maryland

Other Support Activities for Air Transportation. SUPPORT- PROFESSIONAL: OTHER. Deepest cross-filter overlap.

Maryland · Department of Homeland Security

Last updated: April 9, 2026

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$3,380,902,182

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Visible recipients tied to Department of Homeland Security, Maryland, NAICS 488190, and PSC R499

Strategic Technology Institute INC

Rockville, MD

Rockville, MD | 130 awards | Top agency Department of Defense | NAICS 336411

Lockheed Martin Services, LLC

Gaithersburg, MD

Gaithersburg, MD | 5 awards | Top agency Department of Transportation | NAICS 541512

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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