General Services Administration PSC D399 contractors

IT AND TELECOM- OTHER IT AND TELECOMMUNICATIONS. Contractors in this PSC lane under General Services Administration.

Agency: General Services Administration

Last updated: April 17, 2026

Visible recipients

123

Mapped obligations

$82,362,741,787

Visible recipients tied to General Services Administration and PSC D399

Booz Allen Hamilton INC

Mclean, VA

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

$7,734,112,196

Northrop Grumman Information Technology INC

Mclean, VA

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

$2,806,470,934

General Dynamics Information Technology, Inc.

Falls Church, VA

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

$13,670,954,543

Science Applications International Corporation

Reston, VA

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

$4,368,816,604

Caci, Inc. - Federal

Chantilly, VA

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

$2,820,686,949

Mantech Sensor Technologies, Inc.

Belcamp, MD

Belcamp, MD | 5 awards | Top agency Department of Defense | NAICS 541330

Deloitte Consulting LLP

Arlington, VA

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

$2,610,881,289

Leidos Sms INC

Syracuse, NY

Syracuse, NY | 5 awards | Top agency Department of Veterans Affairs | NAICS 541512

$1,678,974,133

Leidos, Inc.

Reston, VA

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

$9,693,981,386

Peraton Inc.

Herndon, VA

Herndon, VA | 1,140 awards | Top agency Department of Defense | NAICS 541330

$1,420,758,576

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