Department of Defense NAICS 541990 and PSC R425 contractors

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

Department of Defense · NAICS 541990 · PSC R425

Last updated: April 19, 2026

Visible recipients

Mapped obligations

$38,641,598,770

State overlap

Top recipients

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

Ensco INC

Vienna, VA

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

$334,192,529

Noblis Msd LLC

Philadelphia, PA

Philadelphia, PA | 481 awards | Top agency Department of Defense | NAICS 541330

$975,087,420

Rsi-quantitech Jv LLC

Huntsville, AL

Huntsville, AL | 33 awards | Top agency National Aeronautics and Space Administration | NAICS 541715

$214,580,924

The Bizzell Group LLC

Hyattsville, MD

Hyattsville, MD | 126 awards | Top agency Department of Health and Human Services | NAICS 541611

$84,089,625

Bowhead Total Enterprise Solutions, LLC

Springfield, VA

Springfield, VA | 75 awards | Top agency Department of Defense | NAICS 541513

$85,933,084

Cherokee Nation System Solutions LLC

Tulsa, OK

Tulsa, OK | 511 awards | Top agency Department of State | NAICS 561210

$84,639,539

Asrc Federal Professional Services, LLC

Beltsville, MD

Beltsville, MD | 54 awards | Top agency Department of Defense | NAICS 561611

$135,283,342

Cherokee Nation Government Solutions LLC

Tulsa, OK

Tulsa, OK | 56 awards | Top agency Department of Defense | NAICS 541330

$23,448,061

Riverside Research Institute

New York, NY

New York, NY | 45 awards | Top agency Department of Defense | NAICS 541712

$510,825,687

Prescient Edge Corporation

Mc Lean, VA

Mc Lean, VA | 78 awards | Top agency General Services Administration | NAICS 541715

$8,265,128

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