Miller Industries

High Performance Design. Innovate. Manufacture. We specialize in custom design, engineering, and manufacturing of air supply systems, modular mechanical and electrical systems, as well as custom steel fabrication.

Over the years we have been a primary suppliers to the automotive, healthcare, industrial, institutional and semiconductor manufacturers nationwide. We take great pride in our family-operated business built on hard work and a passion for making quality products.
Email. info@millc.com Call. (810) 373-0322

Four Divisions. One Standard of Excellence.

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AHU & Modular Systems

Industry-Leading, Energy-Efficient HVAC Systems Built to Perform
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Manufacturer Representatives

Expert HVAC Support for Owners, Engineers & Contractors
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Miller Fabricated Systems

Advanced Steel Fabrication and Integrated Manufacturing Solutions for Global Industries
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Mi Service Group

Engineering-Driven Service Solutions for Manufactured and Applied Systems
About US

Welcome to Miller Industries.

Miller Industries is a family-owned company headquartered in Fenton, Michigan, delivering advanced steel fabrication, custom modular systems, air supply solutions, and HVAC expertise through our family of specialized brands.

Built additional building on HQ campus
000 +
Employees
000000
sq. ft. Mfg Space
00
Units Deployed
Services

High Performance Services

Recent Work

Explore Large-Scale Projects

0000
Success Projects

From concept to completion, our work reflects precision engineering, efficient execution, and performance-driven results across every division.

Testimonials

What Clients Are Saying

It is our opinion that when Miller Industries / Flex Air make a commitment to a project they take that commitment very seriously. They have continually put the proper and dedicated team members in place to ensure this promise, and keep those team members in place until the project is complete. I would recommend that any project, requiring a strong and committed team, rely on Miller Industries / Flex Air as a trusted and valued project team member.
Joshua Sendu
Joshua Sendu
Director, Walbridge
The Miller team never wavered despite the rollercoaster of ups and downs with our project. Even with shortened durations and changing information and expectations from the customer, the quality of fabrication never faltered. We appreciate all the long hours Miller spent to make sure timing and deliveries were maintained. The conveyor engineering, design, and fabrication portion of this project was very stressful, and I appreciate all the support your team provided. In summary, we are thankful to have had Miller as our partner and look forward to many more projects in the future.
Owner
Owner
Commercial Contracting Corp.
Partners

Partners Who Trust Miller Industries

Updates

News & Articles

Group photo Legislative Coffee
  • By miller_duwql0
  • Jan 20, 2026

Miller Industries Hosts Legislative Coffee Meetup with the Flint and Genesee Group

Fenton, MI – January 21, 2026 – Miller Industries, based in Fenton, Michigan, recently participated in a legislative...

Miller Industries
  • By miller_duwql0
  • Dec 12, 2025

The Role of AHUs in

Air quality plays an important...

Technology
  • By miller_duwql0
  • Nov 5, 2025

Governor Whitmer Announces Miller Industries

LANSING, Mich. – Today, Governor...

Miller Industries
Contact

Get in Touch

Have a project in mind? Connect with our team to get started.

Headquarters

3070 W. Thompson Road Fenton, MI 48430

Phone Number

(810) 373-0322

Email Address

Interested in partnering with us? info@millc.com

Hours

Mon - Fri: 9:00 am - 5:00 pm

Get in Touch

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