Real Customer Reviews
Groathouse Construction

Groathouse Construction, Inc. has worked with the GW Mechanical team on numerous projects throughout the State of Wyoming over the past 2 decades.  These projects have ranged in size and scope from minor remodels to new multi-million dollar facilities.  We have consistently found their dedication to the success of not just their scope of work, but to an entire project, to be both welcomed and refreshing.  Their depth of knowledge and professional approach to the construction business is uncommon.  As Wyoming’s largest General Contractor we would recommend GW Mechanical to anyone seeking professional mechanical services, in any capacity, without hesitation.

John O. Griffith, Project Manager


GW Mechanical, Inc. is a full source mechanical contractor successfully managing projects throughout Wyoming. We are a single craft employer and provide a variety of services ranging from single source contracting to specialty subcontracting. Our success is based upon the premise of reliability, quality, consistency and performance – on time and on budget.

As one of the premier mechanical contractors in Wyoming, we specialize in commercial, institutional, medical, municipal and industrial installations. Our recent project list includes hospitals, college facilities, dormitories, hotels, detention centers, industrial complexes, office buildings, schools and federal buildings.

 We have successfully implemented plans with a diversity of customers including private individuals, county, state, and federal agencies.

Code of the West

Live each day with courage
Take pride in your work
Always finish what you start
Do what has to be done
Be tough, but fair
When you make a promise, keep it
Ride for the brand
Talk less and say more
Remember that some things aren't for sale
Know where to draw the line


The Ten Principles to Live By are found in James P. Owen’s book Cowboy Ethics: What  Wall Street Can Learn From the Code of the West  copyright 2004

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