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We really enjoy what we do.

At MacDonald-Miller, we make buildings work better. Period.

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. 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.

"Safe job sites are a critical part of the MacMiller mission. All of us are proud of our 0.5934 Experience Factor - one of the lowest in our industry."

Lee Pyfrom CHST - Safety Director

Safety is not optional

MacDonald-Miller’s ongoing focus on safety emphasizes training, education, and personal discipline. With more than a hundred OSHA 30 graduates on staff and two OSHA 30 classes taught each year, our team is constantly improving its ability to recognize and avoid hazards on the job.

Our current EMR is 0.5934 – one of the lowest for mechanical contractors in the Washington State Fund. MacMiller is a member of the Approach “Dream Team” and standing members of the safety committees for MCA and SMACNA. We are also a member of WA Group Retro Program, a comprehensive loss prevention program as well as AGC.

Our safety policy matches an enterprise of our size with over 1,000 employees. It is available to all field hands via our computer network, CDs and in printout form.
Each job has a site-specific safety program developed by our Safety Director and implemented by the field foreman and managers. A site safety person is designated at the start of each project from our OSHA 30 graduates. Our Safety Director also regularly performs on-the-spot safety inspections to review site conditions and practices.

We do incident reviews with panel discussions for upper management of selected incidents to emphasize the seriousness of any mishaps.

A sampling of MacMiller training programs include:

  • Safety paperwork for foremen
  • New field employee safety orientation
  • Fall protection
  • Confined space entry
  • Respirators
  • Ladder safety
  • Lock out
  • Blood borne pathogens
  • Infection controls

Always alert

  • Site safety meetings are held weekly with all employees and subcontractors.
  • Site safety inspections/audits are performed weekly.
  • MacDonald-Miller is a drug-free workplace.

Safety Awards

  • AGC, Safety Award, 2016, Subcontractor Over 1.5 Million Hours
  • MCAA Safety Excellence Award, 2015
  • MCA Safety Excellence Award, 2014
  • Occupational Medicine Forum, Superior Safety Award, 2014
  • AGC, Safety Award, 2014, Top Performer for Safety & Claims Management

Our Mission

Simple - To make buildings work better.

Core Beliefs

The core of who we are and what we believe determines what we do and how well we do it.

See our beliefs

Operating Guidelines

Our company culture is determined by the open communication that increases the flow of meaningful information.

See the guidelines

Customer Commitment

Our customers are essential to our success. Our business practices and choices reflect our conviction to be caring, reliable, and ethical in all things with all peoples.

See our Commitment

MacMiller Leadership

Our Culture

At MacDonald-Miller, it’s personal.


Manufacture

All smiles in the sheet metal shop!

MacDonald-Miller Team

Thumbs up!

PreFab Shop

Precision is key

Nature

Looking Good!

Aeroview

Our Estimating Department took some remote controlled drone selfies!

Photos

A selfie within a selfie within a selfie! MacMillians take MacFest challenges to the next level.

Veterans

On this special holiday, we honor those who have served our country. MacDonald-Miller is proud to have a workforce made up of approximately 17% veterans. We are grateful for their service and commitment to our nation. Happy Veterans Day!

MacDonald-Miller Team

Work hard! Play hard! Here’s some of our top notch crew from our 2030 8th Ave project going beast mode this weekend at Meadowbrook Farm for the Subway Beast Mode Challenge (Dion Senger, Mike Kunkel, Joel Phillips, Bryan Kindt and Paul Deines)

Sculpture

It’s almost time for MacFest!!!!!!!!!!

Team

WINNING!

MacDonald-Miller Transport

Santa’s spreading the holiday spirit in our plumbing fab shop today!

Photo

Getting ready to let it ride!


Awards

We don’t like to brag about ourselves. So here is what others have to say about us.

See our Awards

We’re a winning team

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 2015 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

Associations

We believe that supporting the construction industry, as well as the Pacific Northwest community, is valuable for developing our employees’ training, education, and relationships.

All Associations

Union Partners

As a Union Shop, we provide top-notch trained staff.

All Union Partners

We make buildings work better.