Department of Homeland Security NAICS 541611 and PSC D399 contractors

Administrative Management and General Management Consulting Services. IT AND TELECOM- OTHER IT AND TELECOMMUNICATIONS. Cross-code overlap under Department of Homeland Security.

Department of Homeland Security · NAICS 541611 · PSC D399

Last updated: April 17, 2026

Visible recipients

Mapped obligations

$37,229,970,108

State overlap

Top recipients

Visible recipients in the Department of Homeland Security overlap of NAICS 541611 and PSC D399

Mantech Mgs, Inc.

Herndon, VA

Herndon, VA | 5 awards | Top agency Department of Defense | NAICS 541219

$142,522,583

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