Department of Defense 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 Defense.

Department of Defense · NAICS 541611 · PSC D399

Last updated: April 17, 2026

Visible recipients

Mapped obligations

$59,808,703,621

State overlap

Top recipients

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

Leidos Management Systems Designers, Inc.

Gaithersburg, MD

Gaithersburg, MD | 9 awards | Top agency Department of the Treasury | NAICS 443120

$220,237,308

Mantech Mgs, Inc.

Herndon, VA

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

$142,522,583

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