MacDonald-Miller Facility Solutions is the top choice, design-build, commercial mechanical contractor in the Pacific Northwest.
With our knowledge of mechanical systems and our team of building experts, customers know they can always count on us. When they have complex problems, we have real solutions that make it easy for them to put their trust in us.
About Us
MacDonald-Miller won the "Best Places to Work in Washington" award because our atmosphere is one of creativity and camaraderie, where the level of dedication is matched only by the amount of fun we have! Here, nothing is a higher priority than creating an environment where employees can craft their path, embrace technology, expand their skills, and, just as significantly, be themselves.
Learn more about various career paths and opportunities to join our teams in Washington and Oregon at macmiller.com/jobs.
Careers at MacMiller
MacDonald-Miller ranks Top Mechanical ENR 2023 Top Firms in Mechanical. Every year ENR (Engineering News-Record) lists the top contractors, and this year MacDonald-Miller ranked #12 of the top 50 mechanical firms nationwide. Moving up from #14 in 2022 to #12 in 2023 is an impressive accomplishment for any company. Thank you to the employees and…
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…
