We make buildings work better.

MacDonald-Miller Facility Solutions is the top choice, design-build, commercial mechanical contractor in the Pacific Northwest.

MacMiller Advantage

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
PSBJ WA Best Places to Work 2022 Award

Join a winning team

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


Your project works better
with MacDonald-Miller.

View Our Project Gallery
  • North Lot
  • Rooftop Omak School Project
  • Microsoft East Campus Modernization Central Utility Plant
  • Laboratory
  • Columbia Sportswear
  • Red Wind Casino
  • Capitol Hill Station

We make buildings work better.