Department of Homeland Security PSC R499 contractors in Virginia

SUPPORT- PROFESSIONAL: OTHER. Contractors in this state-buyer-PSC overlap.

Virginia + Department of Homeland Security

Last updated: April 17, 2026

Visible recipients

Mapped obligations

$59,280,851,097

Visible recipients tied to Department of Homeland Security, Virginia, and PSC R499

Caci Intelligence Solutions, LLC

Herndon, VA

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

$38,770,483

Ecs Federal, LLC

Fairfax, VA

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

$430,464,792

Paragon Systems INC

Herndon, VA

Herndon, VA | 691 awards | Top agency Department of Homeland Security | NAICS 561612

$200,444,317

Lmi Consulting, LLC

Tysons Corner, VA

Tysons Corner, VA | 256 awards | Top agency Department of Defense | NAICS 541330

$959,991,791

Aecom Recovery

Arlington, VA

Arlington, VA | 5 awards | Top agency Department of Homeland Security | NAICS 541330

$70,000

Mantech Mission, Cyber And Technology Solutions, Inc.

Fairfax, VA

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

$153,776,774

Amentum National Security Programs, INC

Chantilly, VA

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

$231,161,556

Caci Nss, LLC

Reston, VA

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

$2,011,216,856

Centerra Group, LLC

Herndon, VA

Herndon, VA | 143 awards | Top agency Department of Energy | NAICS 561612

$146,145,168

Systems Planning And Analysis, Inc.

Alexandria, VA

Alexandria, VA | 238 awards | Top agency Department of Defense | NAICS 541330

$540,150,686

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