MacDonald-Miller Facility Solutions

We are a full service-design build mechanical contractor in the Pacific Northwest. With 800 talented professionals, 7 locations and our own prefabrication shop, no project is too big or too small. We’ve helped shape the local landscape for over half a century with buildings that operate in the most efficient manner possible. We like to think we’re saving the planet one building at a time. Facility managers, owners and tenants can all rest assured that our experience as industry leaders lends itself well to tackling the complexities of their industries--healthcare, biotech/labs, industrial, marine construction, commercial office buildings, and residential projects. We’ve done it all. And if we have our way, we’ll keep doing it for the next 50 years. Mission: Dedicated professionals providing the right solutions for building environmental systems through innovative design, expert installation and high performance services.