General Services Administration PSC R425 contractors

SUPPORT- PROFESSIONAL: ENGINEERING/TECHNICAL. Contractors in this PSC lane under General Services Administration.

Agency: General Services Administration

Last updated: April 17, 2026

Visible recipients

147

Mapped obligations

$155,423,024,740

Visible recipients tied to General Services Administration and PSC R425

Vertex Aerospace LLC

Madison, MS

Madison, MS | 623 awards | Top agency Department of Defense | NAICS 488190

$443,221,962

General Atomics Aeronautical Systems, Inc.

Poway, CA

Poway, CA | 452 awards | Top agency Department of Defense | NAICS 336411

$4,212,484,409

General Dynamics Land Systems Inc.

Sterling Heights, MI

Sterling Heights, MI | 819 awards | Top agency Department of Defense | NAICS 336992

$1,237,516,995

Bae Systems Technology Solutions & Services Inc.

Rockville, MD

Rockville, MD | 1,291 awards | Top agency Department of Defense | NAICS 541330

$1,926,584,303

Tybrin Corporation

Fort Walton Beach, FL

Fort Walton Beach, FL | 5 awards | Top agency Department of Defense | NAICS 541710

$195,066,267

Northrop Grumman Systems Corporation

Melbourne, FL

Melbourne, FL | 713 awards | Top agency Department of Defense | NAICS 336411

$10,092,269,159

Parsons Government Services Inc.

Centreville, VA

Centreville, VA | 598 awards | Top agency Department of Defense | NAICS 541712

$3,715,151,734

Kbr Wyle Services, LLC

Fulton, MD

Fulton, MD | 645 awards | Top agency Department of Defense | NAICS 541712

$4,526,126,038

Mantech Advanced Systems International, Inc.

Herndon, VA

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

$2,628,668,884

Oshkosh Defense LLC

Oshkosh, WI

Oshkosh, WI | 7,038 awards | Top agency Department of Defense | NAICS 336992

$257,360,185

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