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Home/Department of Homeland Security/NAICS 541620/PSC R421

Agency + NAICS + PSC page

Department of Homeland Security NAICS 541620 and PSC R421 contractors

Environmental Consulting Services. TECHNICAL ASSISTANCE. Cross-code overlap under Department of Homeland Security.

Department of Homeland Security · NAICS 541620 · PSC R421

Last updated: April 8, 2026

Visible recipients

1

Mapped obligations

$321,625,622

State overlap

1

Top recipients

Visible recipients in the Department of Homeland Security overlap of NAICS 541620 and PSC R421

The Cadmus Group LLC

Arlington, VA

Arlington, VA | 289 awards | Top agency Environmental Protection Agency | NAICS 541620

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Top recipient paths -- ranked view
Department of Homeland Security NAICS 541620 -- drop PSC filter
Department of Homeland Security PSC R421 -- drop NAICS filter
VA -- search by state