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Home/Virginia/Department of Homeland Security/PSC R421

State + agency + PSC page

Department of Homeland Security PSC R421 contractors in Virginia

TECHNICAL ASSISTANCE. Use this deeper state-buyer-PSC page to see which visible contractors sit closest to this exact overlap in the public AwardRegistry layer.

Virginia + Department of Homeland Security
Last updated: April 8, 2026

Visible recipients

2

Mapped obligations

$136,259,050

Top NAICS links

4

Top recipients

Visible recipients tied to Department of Homeland Security, Virginia, and PSC R421

Caci Intelligence Solutions, LLC

Herndon, VA

Caci Intelligence Solutions, LLC is a federal category business profile based in Herndon, VA. The current public data layer shows $622,902,744 in visible federal obligations across 5 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541990 (All Other Professional, Scientific, and Technical Services). The profile also shows meaningful product and service activity in PSC R423.

$72,331,514

The Cadmus Group LLC

Arlington, VA

The Cadmus Group LLC is a federal category business profile based in Arlington, VA. The current public data layer shows $26,069,830 in visible federal obligations across 289 awards or transactions. Environmental Protection Agency appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541620 (Environmental Consulting Services). The profile also shows meaningful product and service activity in PSC R499.

$63,927,536

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Open NAICS 541611

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Open NAICS 541330

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Top recipient paths for NAICS 541990

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