Winn-Marion Barber, LLC — We’re Not Your Average Representative


Winn-Marion Barber, LLC is a manufacturer’s representative, distributor, and service provider of instrumentation and process controls to the industrial marketplace and to the oil/gas industry. 

Since 1972, Winn-Marion Barber has had the vision of solving customer problems with better solutions and utilizing emerging technology. We have grown from our base in Denver, Colorado, adding eleven offices throughout the Rocky Mountain and Northeast regions of the USA.

We serve a variety of markets including: Natural Gas Production & Gathering, Utility Power, Oil Refining & Mining – to name a few. The Winn-Marion family prides itself on being the “go-to” people for our customers in applications such as: Wellhead Automation & Control, Engine Retrofits, Control Valve Automation, SCADA, and Heat Tracing Circuit Design. 

Winn-Marion Barber represents product lines:

  • ABB Control Systems
  • ABB Instrumentation
  • ABB Process Analytics
  • ABB Totalflow
  • Advanced Instruments, Inc.
  • American Sensor Technologies
  • Cyclonic Valve
  • Electro-Chemical Devices
  • Fairchild
  • Fossil Power Systems
  • Freewave
  • Johnson Matthey
  • McCrometer
  • Metro Automation (Jamesbury, Neles)
  • PGI International
  • PhyMetrix
  • Thermon
  • TLV
  • Woodward

The backing of these industry leaders combined with our highly technical staff enables us to solve customer problems with the right product, at an affordable price.

We don’t just sell products and wish you good luck. We can assist in startup, integration & customization tailored exactly to our customers’ needs. Control valve assembly, Governor Repair & Remote Power System fabrication are just a few examples of these services.

Because problem solving is at the heart of our mission and philosophy, it really is about you –and our staff demonstrates that.

To learn more about Winn-Marion Barber, it’s product lines and services, visit


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