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Department of Homeland Security NAICS 541330 and PSC D399 contractors in Virginia

Engineering Services. IT AND TELECOM- OTHER IT AND TELECOMMUNICATIONS. Deepest cross-filter overlap.

Virginia · Department of Homeland Security

Last updated: April 17, 2026

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$115,373,891,039

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Visible recipients tied to Department of Homeland Security, Virginia, NAICS 541330, and PSC D399

Booz Allen Hamilton INC

Mclean, VA

Mclean, VA | 3,955 awards | Top agency Department of Defense | NAICS 541512

$29,152,350,089

General Dynamics Information Technology, Inc.

Falls Church, VA

Falls Church, VA | 3,177 awards | Top agency Department of Defense | NAICS 541512

$32,705,564,629

Caci, Inc. - Federal

Chantilly, VA

Chantilly, VA | 1,121 awards | Top agency Department of Defense | NAICS 541512

$7,575,228,662

Deloitte Consulting LLP

Arlington, VA

Arlington, VA | 1,829 awards | Top agency Department of Defense | NAICS 541512

$4,475,239,555

Leidos, Inc.

Reston, VA

Reston, VA | 9,621 awards | Top agency Department of Defense | NAICS 541512

$26,602,870,203

Mantech Advanced Systems International, Inc.

Herndon, VA

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

$4,625,623,615

Ecs Federal, LLC

Fairfax, VA

Fairfax, VA | 401 awards | Top agency Department of Defense | NAICS 541512

$1,298,414,601

Caci Nss, LLC

Reston, VA

Reston, VA | 109 awards | Top agency Department of Defense | NAICS 541519

$3,878,461,540

Goldbelt Falcon LLC

Chesapeake, VA

Chesapeake, VA | 20 awards | Top agency Department of Defense | NAICS 811219

$52,568,608

Network Security Systems Plus, INC

Mc Lean, VA

Mc Lean, VA | 6 awards | Top agency Department of Defense | NAICS 541512

$134,698,985

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