Department of Homeland Security NAICS 541611 and PSC C219 contractors

Administrative Management and General Management Consulting Services. ARCHITECT AND ENGINEERING- GENERAL: OTHER. Cross-code overlap under Department of Homeland Security.

Department of Homeland Security · NAICS 541611 · PSC C219

Last updated: April 9, 2026

Visible recipients

Mapped obligations

$697,932,977

State overlap

Top recipients

Visible recipients in the Department of Homeland Security overlap of NAICS 541611 and PSC C219

Mantech Srs Technologies, Inc.

Herndon, VA

Herndon, VA | 76 awards | Top agency Department of Defense | NAICS 541330

$519,002,098

Gannett Fleming, Inc.

Camp Hill, PA

Camp Hill, PA | 5 awards | Top agency Department of Defense | NAICS 541512

$16,972,047

Aecom Services, LLC

Arlington, VA

Arlington, VA | 82 awards | Top agency Department of Defense | NAICS 541330

$161,958,832

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