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

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

National Security Technologies, LLC

North Las Vegas, NV

North Las Vegas, NV | 5 awards | Top agency Department of Energy | NAICS 561210

$5,684

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

Amentum Services, Inc.

Chantilly, VA

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

$1,699,938,821

Deloitte Consulting LLP

Arlington, VA

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

$5,686,471,602

Leidos, Inc.

Reston, VA

Reston, VA | 9,621 awards | Top agency Department of Defense | NAICS 541512

$4,036,713,756

Caci Premier Technology, LLC

Chantilly, VA

Chantilly, VA | 5 awards | Top agency Office of Personnel Management | NAICS 561611

$91,769,998

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