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Home/NAICS 541620/PSC R405

NAICS + PSC page

NAICS 541620 and PSC R405 contractors

Environmental Consulting Services. SUPPORT- PROFESSIONAL: OPERATIONS RESEARCH/QUANTITATIVE ANALYSIS. Use this cross-code page to see which visible federal contractors sit in the overlap between these two public category lanes.

NAICS 541620 + PSC R405
Last updated: April 8, 2026

Visible recipients

2

Mapped obligations

$313,073,586

State overlap

0

Top recipients

Visible recipients in the NAICS 541620 and PSC R405 overlap

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

Integral Consulting Inc.

Boulder, CO

Integral Consulting Inc. is a federal category business profile based in Boulder, CO. The current public data layer shows $218,454 in visible federal obligations across 9 awards or transactions. Department of Energy 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 F105.

$1,526,263

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