MacDonald-Miller Facility Solutions is the top choice, full-service, design-build, mechanical contractor in the Pacific Northwest.
With over 1,000 talented professionals, 11 locations, and our own fabrication shop, no project is too small or too big. Whether you simply have a service call, or are planning a 40-story office building, we have the right team of system experts – for you and your buildings’ needs.
We are committed to building a truly inclusive culture where equitable pathways are paved and a sense of belonging thrives for all, standing together as one MacDonald-Miller.
Inclusion at MacMiller
Biomanufacturing Facility MacDonald-Miller is partnering with a local biotechnology company on the expansion of their biomanufacturing facility as they continue their innovative work to transform cancer medicines. The current 283,000 sf project consists of five connected buildings that expand the company’s biomanufacturing capacity, providing greater control and flexibility to produce their own FDA-approved medications to…
Since the inception of the Inclusion Council in 2020, we have new members and new goals to help refine our initiatives. Here is an update on our top 3 initiatives: Employee Education and Development Implementing internal education and employee development led to successful diversity, equity, inclusion, and belonging (DEIB) training for management, and a further…
Largest controls contract in MacDonald-Miller history! Over the past six years, MacDonald-Miller has been modernizing a 3-million sf office expansion. The project involves multiple architectural firms, general contractors, mechanical contractors, and control subcontractors working together in a joint venture. Our new construction group won the mammoth mechanical contract, leading to a close partnership with the…
Exceeding Expectations By Gus Simonds, CEO: After a recent visit to one of our new construction jobsites I am in awe of the depth of our company’s knowledge, experience, and collaboration. No matter what problem we’re hired to execute or troubleshoot, we continue to provide a high-quality product and service that exceeds what our customers…
MacDonald-Miller is the premier mechanical contractor in the Northwest. And a huge reason for that is our people. Here, nothing is higher priority than creating an environment where employees can craft their own path, embrace technology, expand their skills, and, just as important, be themselves. We are a Finalist for “Best Places to Work in Washington”, in large part because our atmosphere is one of creativity and camaraderie, where the level of dedication is matched by the amount of fun we have! Sound like a good fit? Go to macmiller.com/jobs to find out more about the wide variety of opportunities we have available in Washington and Oregon
Careers at MacMiller
Our clients have trusted us with their buildings for over 50 years. That’s because we listen to what our clients want, and we set out to make it happen.
About UsWe don’t like to brag about ourselves. So here is what others have to say about us.