Department of State PSC R499 contractors

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

Agency: Department of State

Last updated: April 17, 2026

Visible recipients

Mapped obligations

$24,711,158,540

Visible recipients tied to Department of State and PSC R499

Northrop Grumman Information Technology INC

Mclean, VA

Mclean, VA | 5 awards | Top agency Department of Defense | NAICS 541511

$418,398,148

General Dynamics Information Technology, Inc.

Falls Church, VA

Falls Church, VA | 3,177 awards | Top agency Department of Defense | NAICS 541512

$10,408,399,733

Science Applications International Corporation

Reston, VA

Reston, VA | 3,314 awards | Top agency Department of Defense | NAICS 541512

$4,067,361,331

Carahsoft Technology CORP

Reston, VA

Reston, VA | 3,669 awards | Top agency Department of Defense | NAICS 511210

$552,034,202

Cgi Federal Inc.

Fairfax, VA

Fairfax, VA | 1,056 awards | Top agency Department of State | NAICS 541512

$792,922,155

Mantech Advanced Systems International, Inc.

Herndon, VA

Herndon, VA | 683 awards | Top agency Department of Defense | NAICS 541330

$1,244,128,681

Cherokee Nation

Tahlequah, OK

Tahlequah, OK | 454 awards | Top agency Department of Health and Human Services | NAICS 541330

$808,693,541

Alutiiq International Solutions, LLC

Anchorage, AK

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

$64,705,849

Caci Intelligence Solutions, LLC

Herndon, VA

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

$38,770,483

Goldbelt Wolf, LLC

Alexandria, VA

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

$50,172,198

Page 1 of 71 2 3 4 5 6 7 Next

Agency profile

Loading buyer-level contractor and category paths