NAICS + PSC page

NAICS 238220 and PSC R421 contractors

Plumbing, Heating, and Air-Conditioning Contractors. TECHNICAL ASSISTANCE. Use this cross-code page to see which visible federal contractors sit in the overlap between these two public category lanes.

NAICS 238220 + PSC R421
Last updated: April 3, 2026

Visible recipients

1

Mapped obligations

$80,709,359

State overlap

0

Top recipients

Visible recipients in the NAICS 238220 and PSC R421 overlap