Department of Justice NAICS 541712 and PSC R499 contractors

Research and Development in the Physical, Engineering, and Life Sciences (except Biotechnology). SUPPORT- PROFESSIONAL: OTHER. Cross-code overlap under Department of Justice.

Department of Justice · NAICS 541712 · PSC R499

Last updated: April 17, 2026

Visible recipients

Mapped obligations

$15,781,568,639

State overlap

Top recipients

Visible recipients in the Department of Justice overlap of NAICS 541712 and PSC R499

Mantech Advanced Systems International, Inc.

Herndon, VA

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

$1,841,650,503

Amentum Technology, Inc.

Tullahoma, TN

Tullahoma, TN | 491 awards | Top agency National Aeronautics and Space Administration | NAICS 541712

$10,404,691,206

Cherokee Nation Technology Solutions LLC

Tulsa, OK

Tulsa, OK | 20 awards | Top agency Department of Defense | NAICS 541620

$308,468,850

Westat, Inc.

Bethesda, MD

Bethesda, MD | 469 awards | Top agency Department of Health and Human Services | NAICS 541720

$2,072,438,106

Peraton Technology Services Inc.

Chantilly, VA

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

$649,829,071

Quinault Indian Nation

Taholah, WA

Taholah, WA | 122 awards | Top agency Department of the Interior | NAICS 221320

$12,500

Sentar, Inc.

Huntsville, AL

Huntsville, AL | 67 awards | Top agency Department of Defense | NAICS 541330

$58,498,731

Arctic Slope Technical Services, Inc.

Beltsville, MD

Beltsville, MD | 126 awards | Top agency National Aeronautics and Space Administration | NAICS 541712

$445,979,672

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