Miller Industries, LLC Tech Stack

Custom HVAC systems and fabrication for automotive, healthcare, and industrial markets

Utility System Construction Fenton, Michigan 201–500 employees Founded 2014 Privately Held

Miller Industries operates five integrated divisions—Flex Air, Miller Fabricated Systems, Fusion Cooling, a manufacturer's rep firm, and a service group—focused on bespoke HVAC and custom controls for mid-market industrial and healthcare buyers. The hiring mix is engineering-heavy (20 roles) relative to sales (2), paired with active lean and automation initiatives, suggesting the company is optimizing manufacturing processes while scaling technical capacity to handle custom design work and new product launches.

Tech Stack 25 technologies

Core StackRevit SolidWorks Canva Adobe Creative Cloud React TypeScript JavaScript Tailwind CSS Visual Studio AutoCAD Solidworks Excel Mathcad Navisworks Autodesk Construction Cloud Microsoft Office Outlook Word PowerPoint Visual Studio Code SQL Server Management Studio Teams Meta Instagram LinkedIn

What Miller Industries, LLC Is Building

◆Challenges

Improving production efficiency
Expanding engineering workforce
Organizational change initiatives
Streamlining benefits administration
Rapid growth requiring skilled talent
Reducing waste
Optimizing benefits cost
Project scope changes
Cost reviews
Ensuring compliance with compensation regulations

▲Active Projects

Custom power and controls systems
Custom hvac system structural design
Implement technology solutions to streamline benefits and compensation administration
Annual hr processes for assigned client groups
Industrial modular building design
Design and administer employee benefits programs
Modular construction program
Lean manufacturing and six sigma initiatives
Automation opportunities
New product launches

Hiring Activity

Steady45 roles · 20 in 30d

Department

Engineering

Manufacturing

Ops

Sales

Executive

Marketing

Quality

Seniority

Mid

Intern

Senior

Junior

Manager

Director

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About Miller Industries, LLC

Miller Industries, LLC is a privately held manufacturer of custom HVAC systems, fabricated assemblies, and controls for automotive, healthcare, and institutional customers. The company is structured as a portfolio of five operating units: Flex Air (established 2015, custom HVAC design), Miller Fabricated Systems (metal fabrication and assembly, acquired 2014), Fusion Cooling, a full-service manufacturer's rep firm, and a dedicated service group. Collectively the portfolio brings over 50 years of combined engineering and manufacturing experience. The business operates out of Fenton, Michigan, with a headcount of 201–500 employees and maintains a U.S.-based hiring footprint.

HeadquartersFenton, Michigan

Company Size201–500 employees

Founded2014

Hiring MarketsUnited States

Frequently Asked Questions

What software does Miller Industries use for design and manufacturing?

SolidWorks, Revit, AutoCAD, Navisworks, and Mathcad for design; SQL Server, Visual Studio, and React/TypeScript for internal systems; Autodesk Construction Cloud for project coordination.

What is Miller Industries working on?

Custom power and controls systems, modular HVAC structural design, industrial modular building programs, automation opportunities, new product launches, and lean manufacturing / Six Sigma process improvements.