General Services Administration PSC R499 contractors

SUPPORT- PROFESSIONAL: OTHER. Contractors in this PSC lane under General Services Administration.

Agency: General Services Administration

Last updated: April 17, 2026

Visible recipients

212

Mapped obligations

$89,233,855,234

Visible recipients tied to General Services Administration and PSC R499

Alutiiq International Solutions, LLC

Anchorage, AK

Anchorage, AK | 20 awards | Top agency Department of Defense | NAICS 236220

$64,705,849

Chenega Federal Systems, LLC

Bethesda, MD

Bethesda, MD | 20 awards | Top agency Department of Defense | NAICS 541330

$58,729,546

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

Lmi Consulting, LLC

Tysons Corner, VA

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

$959,991,791

Amentum Technology, Inc.

Tullahoma, TN

Tullahoma, TN | 491 awards | Top agency National Aeronautics and Space Administration | NAICS 541712

$1,232,596,845

Goldbelt Wolf, LLC

Alexandria, VA

Alexandria, VA | 20 awards | Top agency Department of Health and Human Services | NAICS 332995

$50,172,198

Mantech Mission, Cyber And Technology Solutions, Inc.

Fairfax, VA

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

$153,776,774

Hii Mission Technologies CORP

Willowbrook, IL

Willowbrook, IL | 464 awards | Top agency Department of Defense | NAICS 541330

$4,279,238,149

Caci Nss, LLC

Reston, VA

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

$2,011,216,856

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