Department of Energy NAICS 541990 and PSC R425 contractors

All Other Professional, Scientific, and Technical Services. SUPPORT- PROFESSIONAL: ENGINEERING/TECHNICAL. Cross-code overlap under Department of Energy.

Department of Energy · NAICS 541990 · PSC R425

Last updated: April 14, 2026

Visible recipients

Mapped obligations

$1,909,342,663

State overlap

Top recipients

Visible recipients in the Department of Energy overlap of NAICS 541990 and PSC R425

Akima Systems Engineering LLC

Herndon, VA

Herndon, VA | 233 awards | Top agency Department of Defense | NAICS 541512

$106,536,292

Ensco INC

Vienna, VA

Vienna, VA | 124 awards | Top agency Department of Defense | NAICS 541712

$334,192,529

Parsons Government Services International Inc.

Pasadena, CA

Pasadena, CA | 46 awards | Top agency Department of Defense | NAICS 541990

$505,197,234

Bluepath Labs LLC

Washington, DC

Washington, DC | 104 awards | Top agency Department of Energy | NAICS 541990

$31,392,597

Actionet INC

Vienna, VA

Vienna, VA | 50 awards | Top agency Department of Energy | NAICS 541512

$256,851,605

Aleut Aerospace Engineering, LLC

Colorado Springs, CO

Colorado Springs, CO | 20 awards | Top agency Department of Defense | NAICS 541513

$29,474,120

Amentum Environment & Energy, Inc.

Aiken, SC

Aiken, SC | 37 awards | Top agency Department of Energy | NAICS 541712

$645,698,286

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