General Services Administration NAICS 238220 and PSC R499 contractors in Washington

Plumbing, Heating, and Air-Conditioning Contractors. SUPPORT- PROFESSIONAL: OTHER. 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 · General Services Administration

Last updated: April 3, 2026

Visible recipients

Mapped obligations

$4,055,716

Cross-code depth

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Top recipients

Visible recipients tied to General Services Administration, Washington, NAICS 238220, and PSC R499

Mckinstry Essention, LLC

Seattle, WA

Mckinstry Essention, LLC is a federal category business profile based in Seattle, WA. The current public data layer shows $900,972 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 541330 (Engineering Services). The profile also shows meaningful product and service activity in PSC B540.

$4,055,716