General Services Administration NAICS 541620 and PSC R405 contractors

Environmental Consulting Services. SUPPORT- PROFESSIONAL: OPERATIONS RESEARCH/QUANTITATIVE ANALYSIS. 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 R405

Last updated: April 8, 2026

Visible recipients

Mapped obligations

$311,547,323

State overlap

Top recipients

Visible recipients in the General Services Administration overlap of NAICS 541620 and PSC R405

The Cadmus Group LLC

Arlington, VA

The Cadmus Group LLC is a federal category business profile based in Arlington, VA. The current public data layer shows $26,069,830 in visible federal obligations across 289 awards or transactions. Environmental Protection Agency appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541620 (Environmental Consulting Services). The profile also shows meaningful product and service activity in PSC R499.

$311,547,323