Department of Homeland Security NAICS 541512 contractors in Virginia

Computer Systems Design Services. Contractors in this state-buyer-industry overlap.

Virginia + Department of Homeland Security

Last updated: April 17, 2026

Visible recipients

Mapped obligations

$133,507,210,988

Visible recipients tied to Department of Homeland Security, Virginia, and NAICS 541512

Peraton Enterprise Solutions LLC

Chantilly, VA

Chantilly, VA | 415 awards | Top agency Department of Defense | NAICS 541512

$13,142,256,641

Ecs Federal, LLC

Fairfax, VA

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

$1,345,284,849

Acuity INC

Reston, VA

Reston, VA | 24 awards | Top agency Department of State | NAICS 541512

$217,386,349

Peraton Healthcare Solutions LLC

Herndon, VA

Herndon, VA | 5 awards | Top agency Department of Veterans Affairs | NAICS 541512

$187,044,170

Mantech Mission, Cyber And Technology Solutions, Inc.

Fairfax, VA

Fairfax, VA | 5 awards | Top agency Department of Defense | NAICS 541690

$61,414,964

Amentum National Security Programs, INC

Chantilly, VA

Chantilly, VA | 5 awards | Top agency Department of Defense | NAICS 541990

$27,156,587

M. C. Dean, Inc.

Tysons, VA

Tysons, VA | 1,299 awards | Top agency Department of Defense | NAICS 541330

$372,472,018

Caci Nss, LLC

Reston, VA

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

$2,140,858,628

Network Security Systems Plus, INC

Mc Lean, VA

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

$111,624,241

Credence Management Solutions Limited Liability Company

Mclean, VA

Mclean, VA | 222 awards | Top agency Department of Defense | NAICS 541330

$140,554,175

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