General Services Administration NAICS 541990 and PSC R431 contractors

All Other Professional, Scientific, and Technical Services. SUPPORT- PROFESSIONAL: HUMAN RESOURCES. Cross-code overlap under General Services Administration.

General Services Administration · NAICS 541990 · PSC R431

Last updated: April 8, 2026

Visible recipients

Mapped obligations

$1,048,755,510

State overlap

Top recipients

Visible recipients in the General Services Administration overlap of NAICS 541990 and PSC R431

Calibre Systems INC

Alexandria, VA

Alexandria, VA | 125 awards | Top agency Department of Defense | NAICS 541990

$825,815,325

Goldbelt Professional Services, LLC

Chesapeake, VA

Chesapeake, VA | 75 awards | Top agency Department of Health and Human Services | NAICS 541611

$28,124,940

Nisgaa Ciops LLC

Juneau, AK

Juneau, AK | 45 awards | Top agency Department of Defense | NAICS 541519

$13,418,272

Golden Key Group, LLC

Reston, VA

Reston, VA | 126 awards | Top agency Department of Commerce | NAICS 541612

$181,396,973

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