General Services Administration NAICS 541620 and PSC D399 contractors

Environmental Consulting Services. IT AND TELECOM- OTHER IT AND TELECOMMUNICATIONS. 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 541620 · PSC D399

Last updated: April 8, 2026

Visible recipients

Mapped obligations

$99,416,828

State overlap

Top recipients

Visible recipients in the General Services Administration overlap of NAICS 541620 and PSC D399

Redhorse Corporation

Arlington, VA

Redhorse Corporation is a federal category business profile based in Arlington, VA. The current public data layer shows $30,311,976 in visible federal obligations across 101 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 611430 (Professional and Management Development Training). The profile also shows meaningful product and service activity in PSC R499.

$99,416,828