SeaTac Towers

A Note From Our CEO

A PNW Mechanical with Perspective

This past year, our teams showed up every day—designing smarter systems, building with precision, and keeping critical facilities running—and we’re deeply grateful for our customer’s trust and continued partnership.

As we enter 2026, we’re energized for the challenges and solutions ahead. We look forward to delivering expert clarity, quality work, and valuable uptime for facilities across the PNW.

Here’s to another year of building success together.

-Rory Olson
CEO, MacDonald-Miller Facility Solutions

Get to know MacDonald-Miller

Recent Highlights

MacDonald-Miller Capabilities

Yeah, we do that!

Service & Maintenance

We ensure your systems stay reliable, efficient, and compliant over time. With 24/7 support, preventative care, and rapid response capabilities, our team handles everything from HVAC, plumbing, and electrical to controls, boilers, chillers, and TAB.

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Design & Preconstruction

We specialize in new builds, offering services that cover design, preconstruction, fabrication, and planning. Our team combines innovation and expertise to ensure every project is executed efficiently and to the highest quality standards.

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Construction

We turn plans into reality by managing every phase of the build with precision, safety, and speed. From ground-up projects to complex system installations, our expert teams deliver high-performing buildings on time and on budget.

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Fabrication

With over 100,000 SF dedicated shop space, MacDonald-Miller’s Fabrication and Manufacturing services offer a unique, integrated approach and deep expertise. Committed to efficiency, quality, and safety from initial concept to final assembly, we deliver the fabrication scale, speed, and flexibility your project needs to succeed.

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