Department of Homeland Security NAICS 541611 and PSC R421 contractors

Administrative Management and General Management Consulting Services. TECHNICAL ASSISTANCE. Cross-code overlap under Department of Homeland Security.

Department of Homeland Security · NAICS 541611 · PSC R421

Last updated: April 8, 2026

Visible recipients

Mapped obligations

$920,181,957

State overlap

Top recipients

Visible recipients in the Department of Homeland Security overlap of NAICS 541611 and PSC R421

Caci Intelligence Solutions, LLC

Herndon, VA

Herndon, VA | 5 awards | Top agency Department of Defense | NAICS 541990

Jones Lang Lasalle Americas, Inc.

Washington, DC

Washington, DC | 191 awards | Top agency Department of Defense | NAICS 541611

The Cadmus Group LLC

Arlington, VA

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

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