Department of Homeland Security NAICS 561990 and PSC R499 contractors

All Other Support Services. SUPPORT- PROFESSIONAL: OTHER. Cross-code overlap under Department of Homeland Security.

Department of Homeland Security · NAICS 561990 · PSC R499

Last updated: April 17, 2026

Visible recipients

Mapped obligations

$482,785,176

State overlap

Top recipients

Visible recipients in the Department of Homeland Security overlap of NAICS 561990 and PSC R499

Centerra Group, LLC

Herndon, VA

Herndon, VA | 143 awards | Top agency Department of Energy | NAICS 561612

Iem International, Inc.

Raleigh, NC

Raleigh, NC | 39 awards | Top agency Department of Homeland Security | NAICS 541611

Hoh Indian Tribe

Forks, WA

Forks, WA | 56 awards | Top agency Department of the Interior | NAICS 541990

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