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Department of State NAICS 541330 and PSC R425 contractors in Virginia

Engineering Services. SUPPORT- PROFESSIONAL: ENGINEERING/TECHNICAL. Deepest cross-filter overlap.

Virginia · Department of State

Last updated: April 13, 2026

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$70,095,876,405

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Visible recipients tied to Department of State, Virginia, NAICS 541330, and PSC R425

General Dynamics Information Technology, Inc.

Falls Church, VA

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

$27,321,707,259

Science Applications International Corporation

Reston, VA

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

$25,232,295,716

Peraton Inc.

Herndon, VA

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

$6,004,342,054

Mantech Systems Engineering Corporation

Fairfax, VA

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

$1,578,993,148

Mantech Advanced Systems International, Inc.

Herndon, VA

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

$6,031,167,529

Siemens Government Technologies INC

Arlington, VA

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

$986,619,066

Bowhead Program Management & Operations, LLC

Springfield, VA

Springfield, VA | 251 awards | Top agency Department of Defense | NAICS 541330

$780,408,512

Integral Federal, Inc.

Mc Lean, VA

Mc Lean, VA | 72 awards | Top agency Department of Defense | NAICS 333244

$246,527,014

Inalab Consulting, Inc.

Fairfax, VA

Fairfax, VA | 136 awards | Top agency Department of Defense | NAICS 541330

$75,255,120

Digital Consultants, LLC

Alexandria, VA

Alexandria, VA | 84 awards | Top agency Department of Defense | NAICS 541512

$14,779,012

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