A Company with People You Can Count On

We solve complex automation, control and electrical challenges in Colorado and nationwide.

10 Locations Nationwide

Over 200 Employees and Growing

Established in 1972

10 Locations Nationwide

Over 200 Employees and Growing

Established in 1972

End-to-End, the Winn-Marion Name is Behind Every Solution We Provide

For over 50 years Winn-Marion has been a leader in automation and control acquisition, installation and support to the oil and gas, mining, power, manufacturing, and chemical industries, and has recently expanded its deep technical expertise into the electric vehicle charging industry.

Our best-in-class portfolio of products give our customers the greatest variety of products and services all under one roof. Whether it’s a Winn-Marion designed solution, or someone else’s, our expert engineers provide manufacturer certified maintenance and repair in the most extreme field conditions. When others can’t – or simply won’t – the teams at Winn-Marion make it work.

Our Mission

To provide state-of-the-art automation solutions through superior sales, service and innovation with an unmatched commitment to quality.

Our Vision

Solution Selling

We specialize in solving difficult problems every day with engineered solutions. This gives us an edge over competitors that only sell parts from a catalog.

Integrity and Trust

Every customer becomes a partner and a member of the Winn-Marion family. Our words and actions will always reflect the high value we place on our relationships.

Industry Expertise

Winn-Marion has been in the automation and industrial process controls business for over 50 years. Our expertise in industrial technology is the gold standard throughout the automation and controls industries.


From conception to engineering, commissioning, and beyond, Winn-Marion supports every product we sell and service.

Our Philosophy

Winn-Marion is always looking for opportunities to expand our service offerings, our capabilities, and to add value to our services. With a focus on cutting-edge product lines, we push innovation and technology to the edge with creative processes and solutions that help our customers stay ahead of the game.

Who We Serve

Our Culture

Work Ethic, Honesty and Integrity


Be a Part of Something Big

Company Overview

Winn-Marion is not your average representative – the Winn-Marion Companies are comprised of three separate companies, all working together to provide world-class end-to-end service, sales, and control solutions.


WM Automation Service, LLC helps you get more done, faster. You can count on our team of skilled, highly trained automation specialists to get the job done:

  • Turnkey Automation
  • Communications
  • Troubleshooting
  • Calibrations
  • Industrial Control Electricians


Winn-Marion Barber, LLC connects you to quality products as well as assembly and repair services, carefully selected to fit your unique applications:

  • Analyzers
  • Heat Tracing Instruments
  • Transmitters
  • Flow Meters
  • Controllers
  • Recorders
  • Governors


Winn-Marion, Inc. provides simple and elegant solutions to streamline and simplify your plant integration and emissions control systems, regardless of manufacturer:

  • Plant Control Systems
  • Field Service
  • Training
  • Engine Control
  • Turbine Control
  • Speed Control
  • Generator Control
  • Turnkey Design, Installation, and Commissioning

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