Department of Homeland Security PSC D399 contractors in Virginia

IT AND TELECOM- OTHER IT AND TELECOMMUNICATIONS. Contractors in this state-buyer-PSC overlap.

Virginia + Department of Homeland Security

Last updated: April 17, 2026

Visible recipients

Mapped obligations

$61,039,463,731

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

Rei Systems, Inc.

Chantilly, VA

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

$97,464,205

Aoc Connect, LLC

Ashburn, VA

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

$13,665,714

Agile Defense, LLC

Mclean, VA

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

$134,496,525

General Dynamics One Source LLC

Falls Church, VA

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

$690,973,785

Mantech Mbi Inc.

Fairfax, VA

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

$5,128,824

Karsun Solutions LLC

Herndon, VA

Herndon, VA | 125 awards | Top agency Department of Transportation | NAICS 541519

$103,784,554

Semanticbits LLC

Reston, VA

Reston, VA | 54 awards | Top agency Department of Health and Human Services | NAICS 541519

$348,890,863

Compqsoft, Inc.

Leesburg, VA

Leesburg, VA | 73 awards | Top agency Department of Defense | NAICS 541519

$60,385,220

Inserso Corporation

Mc Lean, VA

Mc Lean, VA | 49 awards | Top agency Department of Homeland Security | NAICS 541512

$153,622,841

Ntt Data Federal Services, Inc.

Herndon, VA

Herndon, VA | 123 awards | Top agency Department of Justice | NAICS 541511

$310,666,146

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