Department of Defense NAICS 541690 and PSC AJ34 contractors

Other Scientific and Technical Consulting Services. R&D- GENERAL SCIENCE/TECHNOLOGY: ENVIRONMENTAL SCIENCES (ENGINEERING DEVELOPMENT). 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 541690 · PSC AJ34

Last updated: April 7, 2026

Visible recipients

Mapped obligations

$550,152

State overlap

Top recipients

Visible recipients in the Department of Defense overlap of NAICS 541690 and PSC AJ34

Brown And Caldwell

San Diego, CA

Brown And Caldwell is a federal category business profile based in San Diego, CA. The current public data layer shows $3,910,103 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 541330 (Engineering Services). The profile also shows meaningful product and service activity in PSC C211.

$550,152