Department of the Interior NAICS 238220 and PSC Z1HB contractors in Washington

Plumbing, Heating, and Air-Conditioning Contractors. MAINTENANCE OF GOVERNMENT-OWNED GOVERNMENT-OPERATED (GOGO) R&D FACILITIES. Use this deepest state-buyer cross-code page to see which visible contractors sit in the exact overlap of buyer, geography, industry, and product-service lane.

Washington · Department of the Interior

Last updated: April 3, 2026

Visible recipients

Mapped obligations

$6,941,283

Cross-code depth

4 filters

Top recipients

Visible recipients tied to Department of the Interior, Washington, NAICS 238220, and PSC Z1HB

Mckinstry CO LLC

Seattle, WA

Mckinstry CO LLC is a federal category business profile based in Seattle, WA. The current public data layer shows $7,789,591 in visible federal obligations across 5 awards or transactions. General Services Administration appears as the strongest visible awarding agency. Top industry concentration is in NAICS 238220 (Plumbing, Heating, and Air-Conditioning Contractors). The profile also shows meaningful product and service activity in PSC Z2AA.

$6,941,283