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Department of Homeland Security NAICS 541519 and PSC D399 contractors in Virginia

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Virginia · Department of Homeland Security

Last updated: April 17, 2026

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$82,627,818,226

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Visible recipients tied to Department of Homeland Security, Virginia, NAICS 541519, and PSC D399

Network Security Systems Plus, INC

Mc Lean, VA

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

$59,767,086

Govcio, LLC

Fairfax, VA

Fairfax, VA | 94 awards | Top agency Department of Veterans Affairs | NAICS 541512

$557,387,597

Softrams LLC

Arlington, VA

Arlington, VA | 60 awards | Top agency Department of Health and Human Services | NAICS 541511

$94,828,747

Mantech Information Systems & Technology Corporation

Fairfax, VA

Fairfax, VA | 5 awards | Top agency Department of Justice | NAICS 541611

$83,968,640

Guidehouse Digital LLC

Mc Lean, VA

Mc Lean, VA | 389 awards | Top agency Department of Homeland Security | NAICS 541512

$488,890,435

Rei Systems, Inc.

Chantilly, VA

Chantilly, VA | 168 awards | Top agency Department of Health and Human Services | NAICS 541519

$892,485,540

Aoc Connect, LLC

Ashburn, VA

Ashburn, VA | 241 awards | Top agency Department of Defense | NAICS 517110

$61,357,004

Agile Defense, LLC

Mclean, VA

Mclean, VA | 496 awards | Top agency Department of Defense | NAICS 541512

$526,934,800

General Dynamics One Source LLC

Falls Church, VA

Falls Church, VA | 158 awards | Top agency Department of Defense | NAICS 541512

$1,105,121,259

Mantech Mbi Inc.

Fairfax, VA

Fairfax, VA | 5 awards | Top agency Department of Commerce | NAICS 541519

$71,076,862

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