State + NAICS + PSC page

NAICS 541380 and PSC R425 contractors in Connecticut

Testing Laboratories and Services. SUPPORT- PROFESSIONAL: ENGINEERING/TECHNICAL. Use this deeper state cross-code page to see which visible contractors sit in the overlap between these two lanes inside Connecticut.

Connecticut · NAICS 541380 · PSC R425

Last updated: April 7, 2026

Visible recipients

Mapped obligations

$655,649

Buyer overlap

Top recipients

Visible recipients in the Connecticut overlap of NAICS 541380 and PSC R425

Trc Companies, Inc.

Windsor, CT

Trc Companies, Inc. is a federal category business profile based in Windsor, CT. The current public data layer shows $545,435 in visible federal obligations across 4 awards or transactions. Environmental Protection Agency appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541380 (Testing Laboratories and Services). The profile also shows meaningful product and service activity in PSC R425.

$655,649