Department of Defense PSC R499 contractors

SUPPORT- PROFESSIONAL: OTHER. Contractors in this PSC lane under Department of Defense.

Agency: Department of Defense

Last updated: April 20, 2026

Visible recipients

315

Mapped obligations

$123,377,461,196

Visible recipients tied to Department of Defense and PSC R499

Securigence LLC

Leesburg, VA

Leesburg, VA | 71 awards | Top agency Department of Defense | NAICS 541511

$2,500

Sev1tech, LLC

Woodbridge, VA

Woodbridge, VA | 225 awards | Top agency Department of Defense | NAICS 541712

$77,823,897

Tetra Tech, Inc.

Pasadena, CA

Pasadena, CA | 260 awards | Top agency Department of Defense | NAICS 541330

$373,572,423

Guidehouse Digital LLC

Mc Lean, VA

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

$185,089,927

Metrostar Systems, LLC

Reston, VA

Reston, VA | 73 awards | Top agency Department of Defense | NAICS 541512

$63,325,655

Icf Consulting Group, Inc.

Reston, VA

Reston, VA | 5 awards | Top agency Office of Personnel Management | NAICS 611430

$1,634,150

Constellation Newenergy, Inc.

Baltimore, MD

Baltimore, MD | 265 awards | Top agency General Services Administration | NAICS 541330

$119,806,537

Asrc Federal Technology Solutions, LLC

Reston, VA

Reston, VA | 144 awards | Top agency Department of Defense | NAICS 541611

$40,903,684

Siemens Government Technologies INC

Arlington, VA

Arlington, VA | 227 awards | Top agency Department of Defense | NAICS 541512

$125,097,666

Kadiak LLC

Anchorage, AK

Anchorage, AK | 175 awards | Top agency Department of Defense | NAICS 541611

$111,453,804

Page 8 of 32Prev 1...7 8 9...32 Next

Agency profile

Loading buyer-level contractor and category paths