Department of Health and Human Services NAICS 541990 and PSC R499 contractors

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

Department of Health and Human Services · NAICS 541990 · PSC R499

Last updated: April 17, 2026

Visible recipients

Mapped obligations

$33,495,104,611

State overlap

Top recipients

Visible recipients in the Department of Health and Human Services overlap of NAICS 541990 and PSC R499

Deloitte Consulting LLP

Arlington, VA

Arlington, VA | 1,829 awards | Top agency Department of Defense | NAICS 541512

$6,813,923,389

Caci Premier Technology, LLC

Chantilly, VA

Chantilly, VA | 5 awards | Top agency Office of Personnel Management | NAICS 561611

$101,929,762

Alion Science And Technology Corporation

Chicago, IL

Chicago, IL | 5 awards | Top agency Department of Defense | NAICS 541710

$292,935,073

Westat, Inc.

Bethesda, MD

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

$1,667,401,173

Cognosante Mvh LLC

Arlington, VA

Arlington, VA | 60 awards | Top agency Department of Veterans Affairs | NAICS 541512

$638,803,004

Yukon-kuskokwim Health CORP

Bethel, AK

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

$648,270

Noblis, Inc.

Reston, VA

Reston, VA | 372 awards | Top agency Department of Transportation | NAICS 541330

$644,614,015

Chenega Government Consulting, LLC

Chesapeake, VA

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

$170,677,238

Serco Management Services, Inc.

Reston, VA

Reston, VA | 5 awards | Top agency Department of Transportation | NAICS 488111

$8,712,107

Cgs Administrators, LLC

Nashville, TN

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

$20,000

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