Nonprofit trade association of the energy efficiency industry
Founded in 1965, MacDonald-Miller Facility Solutions is the Pacific Northwest’s premier design-build mechanical contractor, delivering integrated solutions in HVAC, plumbing, electrical, building automation, and energy efficiency. With more than 1,600 employees across offices in Seattle, Portland, Spokane, and beyond, the company designs, builds, and maintains high-performance buildings that shape the future of sustainable infrastructure.
17930 International Blvd Ste 120
SeaTac, WA 98188
12911 NE Airport Way
Portland, OR 97230
15395 SE 30th Pl
Bellevue, WA 98007
11512 Airport Road, Suite F-700
Everett, WA 98204
421 N Freya St.
Spokane, WA 99202
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