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Department of Homeland Security NAICS 541512 and PSC D399 contractors

Computer Systems Design Services. IT AND TELECOM- OTHER IT AND TELECOMMUNICATIONS. Cross-code overlap under Department of Homeland Security.

Department of Homeland Security · NAICS 541512 · PSC D399

Last updated: April 13, 2026

Visible recipients

Mapped obligations

$197,535,235,621

State overlap

Top recipients

Visible recipients in the Department of Homeland Security overlap of NAICS 541512 and PSC D399

Edc Consulting, LLC

Vienna, VA

Vienna, VA | 13 awards | Top agency Department of Defense | NAICS 541512

$105,053,337

Caci-cms Information Systems, LLC

Chantilly, VA

Chantilly, VA | 7 awards | Top agency Department of Defense | NAICS 541512

$566,377,982

Lockheed Martin Services, LLC

Gaithersburg, MD

Gaithersburg, MD | 5 awards | Top agency Department of Transportation | NAICS 541512

$6,352,978,412

Mantech Mgs, Inc.

Herndon, VA

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

$177,107,743

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