MacDonald-Miller Facility Solutions

We are a full-service, design-build mechanical contractor in the Pacific Northwest. With over 1,000 talented professionals, 10 locations and our own prefabrication shop, no project is too big or too small. Weve helped shape the local landscape for ov...

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About MacDonald-Miller Facility Solutions


About Us

We are a full-service, design-build mechanical contractor in the Pacific Northwest. With over 1,000 talented professionals, 10 locations and our own prefabrication shop, no project is too big or too small. Weve helped shape the local landscape for over half a century with buildings that operate in the most efficient manner possible. We like to think were 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. Weve done it all. And if we have our way, well keep doing it for the next 50 years.

West Plains Chamber of Commerce
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West Plains Chamber of Commerce