Department of Justice NAICS 541990 and PSC R499 contractors

All Other Professional, Scientific, and Technical Services. SUPPORT- PROFESSIONAL: OTHER. Cross-code overlap under Department of Justice.

Department of Justice · NAICS 541990 · PSC R499

Last updated: April 17, 2026

Visible recipients

Mapped obligations

$8,573,483,970

State overlap

Top recipients

Visible recipients in the Department of Justice overlap of NAICS 541990 and PSC R499

Ecs Federal, LLC

Fairfax, VA

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

$699,231,950

Cherokee Nation Technology Solutions LLC

Tulsa, OK

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

$292,338,082

Amentum National Security Programs, INC

Chantilly, VA

Chantilly, VA | 5 awards | Top agency Department of Defense | NAICS 541990

$436,368,898

Westat, Inc.

Bethesda, MD

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

$1,667,401,173

Yukon-kuskokwim Health CORP

Bethel, AK

Bethel, AK | 66 awards | Top agency Department of Health and Human Services | NAICS 541690

$648,270

Chenega Government Consulting, LLC

Chesapeake, VA

Chesapeake, VA | 5 awards | Top agency Department of Energy | NAICS 541512

$170,677,238

Credence Management Solutions Limited Liability Company

Mclean, VA

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

$329,247,632

Cgs Administrators, LLC

Nashville, TN

Nashville, TN | 41 awards | Top agency Department of Health and Human Services | NAICS 524114

$20,000

Siemens Government Technologies INC

Arlington, VA

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

$660,478,780

Qlarant Integrity Solutions LLC

Easton, MD

Easton, MD | 24 awards | Top agency Department of Health and Human Services | NAICS 541990

$1,752,105,085

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