General Services Administration NAICS 541990 and PSC AC63 contractors

All Other Professional, Scientific, and Technical Services. R&D- DEFENSE SYSTEM: ELECTRONICS/COMMUNICATION EQUIPMENT (ADVANCED DEVELOPMENT). 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 AC63

Last updated: April 8, 2026

Visible recipients

Mapped obligations

$274,143,470

State overlap

Top recipients

Visible recipients in the General Services Administration overlap of NAICS 541990 and PSC AC63

Riverside Research Institute

New York, NY

Riverside Research Institute is a federal category business profile based in New York, NY. The current public data layer shows $32,168,228 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 541712 (Research and Development in the Physical, Engineering, and Life Sciences (except Biotechnology)). The profile also shows meaningful product and service activity in PSC R499.

$274,143,470