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

Booz Allen Hamilton INC

Mclean, VA

Mclean, VA | 3,955 awards | Top agency Department of Defense | NAICS 541512

$15,546,099,840

Northrop Grumman Information Technology INC

Mclean, VA

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

$418,398,148

The Boeing Company

Saint Louis, MO

Saint Louis, MO | 1,195 awards | Top agency Department of Defense | NAICS 336411

$18,733,186,635

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

Caci, Inc. - Federal

Chantilly, VA

Chantilly, VA | 1,121 awards | Top agency Department of Defense | NAICS 541512

$1,461,063,330

Accenture Federal Services LLC

Arlington, VA

Arlington, VA | 1,719 awards | Top agency Department of Defense | NAICS 541512

$2,118,899,976

Amentum Services, Inc.

Chantilly, VA

Chantilly, VA | 1,909 awards | Top agency Department of Defense | NAICS 561210

$1,699,938,821

Liberty It Solutions LLC

Mc Lean, VA

Mc Lean, VA | 5 awards | Top agency Department of Veterans Affairs | NAICS 541512

$248,757,357

Deloitte Consulting LLP

Arlington, VA

Arlington, VA | 1,829 awards | Top agency Department of Defense | NAICS 541512

$5,686,471,602

Page 1 of 321 2...32 Next

Agency profile

Loading buyer-level contractor and category paths