Department of Defense NAICS 541620 and PSC R421 contractors

Environmental Consulting Services. TECHNICAL ASSISTANCE. Use this deeper buyer cross-code page to see which visible contractors sit in the overlap between these two lanes under Department of Defense.

Department of Defense · NAICS 541620 · PSC R421

Last updated: April 3, 2026

Visible recipients

Mapped obligations

$12,469,194

State overlap

Top recipients

Visible recipients in the Department of Defense overlap of NAICS 541620 and PSC R421

Cdm Smith Inc.

Carlsbad, CA

Cdm Smith Inc. is a federal category business profile based in Carlsbad, CA. The current public data layer shows $81,627,935 in visible federal obligations across 5 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 237990 (Other Heavy and Civil Engineering Construction). The profile also shows meaningful product and service activity in PSC Y244.

$12,469,194