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Home/Department of Homeland Security/NAICS 488999/PSC R499

Agency + NAICS + PSC page

Department of Homeland Security NAICS 488999 and PSC R499 contractors

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

Department of Homeland Security · NAICS 488999 · PSC R499

Last updated: April 9, 2026

Visible recipients

1

Mapped obligations

$1,966,331,184

State overlap

1

Top recipients

Visible recipients in the Department of Homeland Security overlap of NAICS 488999 and PSC R499

Mantech Advanced Systems International, Inc.

Herndon, VA

Herndon, VA | 683 awards | Top agency Department of Defense | NAICS 541330

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Top recipient paths -- ranked view
Department of Homeland Security NAICS 488999 -- drop PSC filter
Department of Homeland Security PSC R499 -- drop NAICS filter
VA -- search by state