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General Services Administration NAICS 541990 and PSC R431 contractors

All Other Professional, Scientific, and Technical Services. SUPPORT- PROFESSIONAL: HUMAN RESOURCES. Use this deeper buyer cross-code page to see which visible contractors sit in the overlap between these two lanes under General Services Administration.

General Services Administration · NAICS 541990 · PSC R431
Last updated: April 8, 2026

Visible recipients

4

Mapped obligations

$1,048,755,510

State overlap

2

Top recipients

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

Calibre Systems INC

Alexandria, VA

Calibre Systems INC is a federal category business profile based in Alexandria, VA. The current public data layer shows $70,878,330 in visible federal obligations across 125 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541990 (All Other Professional, Scientific, and Technical Services). The profile also shows meaningful product and service activity in PSC R499.

$825,815,325

Goldbelt Professional Services, LLC

Chesapeake, VA

Goldbelt Professional Services, LLC is a federal 8a program participant profile based in Chesapeake, VA. The current public data layer shows $56,047,711 in visible federal obligations across 75 awards or transactions. Department of Health and Human Services appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541611 (Administrative Management and General Management Consulting Services). The profile also shows meaningful product and service activity in PSC R499.

$28,124,940

Nisgaa Ciops LLC

Juneau, AK

Nisgaa Ciops LLC is a federal 8a program participant profile based in Juneau, AK. The current public data layer shows $21,649,670 in visible federal obligations across 45 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541519 (Other Computer Related Services). The profile also shows meaningful product and service activity in PSC R499.

$13,418,272

Golden Key Group, LLC

Reston, VA

Golden Key Group, LLC is a federal category business profile based in Reston, VA. The current public data layer shows $19,296,022 in visible federal obligations across 126 awards or transactions. Department of Commerce appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541612 (Human Resources Consulting Services). The profile also shows meaningful product and service activity in PSC R431.

$181,396,973