At MacDonald-Miller Facility Solutions ("MacMiller"), we make buildings work better.
As the Northwest's leading mechanical contracting firm, we design, deliver, and service HVAC, plumbing, piping, and automation systems across both commercial and heavy industrial environments. Our teams work in mills, manufacturing plants, production facilities, and complex process environments where reliability and uptime truly matter.
We have a well-respected history of exceeding our customers' expectations and executing with distinction. Our clients trust their toughest projects to our integrated teams, including:
People love to work at MacDonald-Miller because we all share the same Core Culture Values:
Collaboration – Diverse players, one team, a common vision. Dedication – We execute with distinction by doing the right thing and following through on our commitments. Safety – Everyone deserves a safe workplace. Community – We build relationships and create an environment that is welcoming and trusting. Innovation – Continuous, creative problem-solving keeps us ahead of the curve. Fun! – We take the work seriously, but not ourselves.