Department of Homeland Security NAICS 541710 and PSC F999 contractors

Research and Development in the Physical, Engineering, and Life Sciences. OTHER ENVIRONMENTAL SERVICES. Cross-code overlap under Department of Homeland Security.

Department of Homeland Security · NAICS 541710 · PSC F999

Last updated: April 8, 2026

Visible recipients

Mapped obligations

$184,508,780

State overlap

Top recipients

Visible recipients in the Department of Homeland Security overlap of NAICS 541710 and PSC F999

Amentum Technical Services LLC

Aiken, SC

Aiken, SC | 6 awards | Top agency Department of Transportation | NAICS 541330

$58,003,095

Hdr Environmental, Operations And Construction, Inc.

Englewood, CO

Englewood, CO | 109 awards | Top agency Department of Defense | NAICS 541330

$126,505,685

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