Fabrication Services

When you choose MacDonald-Miller fabrication, you’re choosing a superior product. Whether you’re looking for Specialty Manufacturing, Piping Fabrication, or Sheet Metal Fabrication, we’ve got you covered. With quality only a union shop can provide, every product results from profound precision and uncompromised quality.

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Specialty Fabrication

We specialize in custom fabrication, ensuring that your product is built exactly to your specifications.

Portable Solutions

Custom Orders

EV Charging Stations

Off the Shelf

Multi-Trade Racks

Jobsite Installation

HVAC Modular Riser Racks

Multi-Trade Innovation


When it comes to Multi-Trade Racks, MacDonald-Miller has consistently been ahead of the curve. As experts in design, fabrication, and coordination, our prefabrication shop produces best-in-class multi-trade racks.


Prefabricated and tested in a controlled environment, our skids offer a plug-and-play solution for traditionally complex installations. Customers can benefit from speedier assembly, decreased waste, better quality control, and increased time savings!

Custom Solutions

We offer more than 'off the shelf' duct and equipment brackets. MacDonald-Miller Fabrication gives you a design partnership with decades of build expertise and industry-leading innovative solutions. Contact our Fabrication Services Manager to begin a custom quote based on your design specifications.

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We make buildings work better.