Agency + PSC page

Department of Defense PSC B502 contractors

SPECIAL STUDIES/ANALYSIS- AIR QUALITY. Use this buyer-scoped PSC page to see which visible contractors sit closest to this product or service lane under Department of Defense.

Agency: Department of Defense

Last updated: April 7, 2026

Visible recipients

Mapped obligations

$15,170

Visible recipients tied to Department of Defense and PSC B502

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.

$15,170

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Department of Defense PSC B502 contractors

Visible recipients tied to Department of Defense and PSC B502