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General Services Administration NAICS 541990 and PSC R499 contractors

All Other Professional, Scientific, and Technical Services. SUPPORT- PROFESSIONAL: OTHER. 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 R499
Last updated: April 8, 2026

Visible recipients

62

Mapped obligations

$29,446,310,383

State overlap

4

Top recipients

Visible recipients in the General Services Administration overlap of NAICS 541990 and PSC R499