State + NAICS + PSC page

NAICS 238220 and PSC R421 contractors in District of Columbia

Plumbing, Heating, and Air-Conditioning Contractors. TECHNICAL ASSISTANCE. Use this deeper state cross-code page to see which visible contractors sit in the overlap between these two lanes inside District of Columbia.

District of Columbia · NAICS 238220 · PSC R421
Last updated: April 3, 2026

Visible recipients

1

Mapped obligations

$80,709,359

Buyer overlap

4

Top recipients

Visible recipients in the District of Columbia overlap of NAICS 238220 and PSC R421