General Services Administration NAICS 541990 and PSC R799 contractors

All Other Professional, Scientific, and Technical Services. SUPPORT- MANAGEMENT: OTHER. Cross-code overlap under General Services Administration.

General Services Administration · NAICS 541990 · PSC R799

Last updated: April 17, 2026

Visible recipients

Mapped obligations

$5,297,507,815

State overlap

Top recipients

Visible recipients in the General Services Administration overlap of NAICS 541990 and PSC R799

Deloitte Consulting LLP

Arlington, VA

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

$2,492,404,099

Amentum Government Services, Inc.

Chantilly, VA

Chantilly, VA | 5 awards | Top agency Department of Defense | NAICS 811118

$475,387,878

Cae USA Mission Solutions Inc.

Tampa, FL

Tampa, FL | 5 awards | Top agency Department of Defense | NAICS 336413

$28,543,794

Noblis, Inc.

Reston, VA

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

$509,832,426

Chenega Government Consulting, LLC

Chesapeake, VA

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

$60,541,968

Macaulay-brown, Inc.

Dayton, OH

Dayton, OH | 5 awards | Top agency General Services Administration | NAICS 541511

$967,957

Qlarant Integrity Solutions LLC

Easton, MD

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

$1,127,753,489

Chenega Enterprise Systems & Solutions, LLC

Chesapeake, VA

Chesapeake, VA | 180 awards | Top agency Department of Health and Human Services | NAICS 541611

$90,281,644

Koniag Management Solutions LLC

Anchorage, AK

Anchorage, AK | 184 awards | Top agency Department of Defense | NAICS 541512

$58,339,891

Asrc Federal Professional Services, LLC

Beltsville, MD

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

$45,119,171

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