Department of Justice PSC R425 contractors in Virginia

SUPPORT- PROFESSIONAL: ENGINEERING/TECHNICAL. Contractors in this state-buyer-PSC overlap.

Virginia + Department of Justice

Last updated: April 17, 2026

Visible recipients

Mapped obligations

$14,160,373,135

Visible recipients tied to Department of Justice, Virginia, and PSC R425

Mantech Systems Engineering Corporation

Fairfax, VA

Fairfax, VA | 5 awards | Top agency Department of Defense | NAICS 541330

$457,665,999

Mantech Advanced Systems International, Inc.

Herndon, VA

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

$2,628,668,884

Ecs Federal, LLC

Fairfax, VA

Fairfax, VA | 401 awards | Top agency Department of Defense | NAICS 541512

$565,125,939

Credence Management Solutions Limited Liability Company

Mclean, VA

Mclean, VA | 222 awards | Top agency Department of Defense | NAICS 541330

$947,204,364

Caci Technologies, LLC

Chantilly, VA

Chantilly, VA | 222 awards | Top agency Department of Defense | NAICS 541330

$7,259,931,954

Peraton Technology Services Inc.

Chantilly, VA

Chantilly, VA | 259 awards | Top agency General Services Administration | NAICS 541330

$197,394,662

Avantus Federal LLC

Mc Lean, VA

Mc Lean, VA | 95 awards | Top agency Department of Defense | NAICS 541330

$245,590,146

American Systems Corporation

Mclean, VA

Mclean, VA | 295 awards | Top agency Department of Defense | NAICS 541330

$727,622,156

Siemens Government Technologies INC

Arlington, VA

Arlington, VA | 227 awards | Top agency Department of Defense | NAICS 541512

$293,490,832

Caci, LLC - Commercial

Reston, VA

Reston, VA | 107 awards | Top agency Department of Justice | NAICS 541199

$18,801,720

Page 1 of 31 2 3 Next

State page

Loading state-level contractor and award paths