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GW Mechanical, Inc. is a full source Mechanical Contractor effectively managing and providing installations of plumbing, HVAC and related mechanical work throughout Wyoming and neighboring states. Our in-house team of licensed and certified Plumbing specialists are committed to delivering quality, safety and trustworthiness to every customer. As one of the premier Mechanical Contractors in Wyoming, our goal is to lead the market in new commercial construction, renovations, service (residential and commercial), troubleshooting and maintenance.

Wyoming owned and operated since 1988, GW Mechanical, Inc. proudly services our customers from our headquarters in Casper with branch divisions in Laramie and Sheridan. Our diverse experience has been demonstrated in office buildings, healthcare institutions, medical offices, government facilities (state, local, county, federal), detention and law enforcement centers, community colleges, the University of Wyoming campus and more. Our philosophy at GW Mechanical Inc. is simple. We provide responsible and responsive mechanical construction, maintenance and service with high quality at reasonable costs and dedication to schedules.

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Services
Hydronic Heating
Hydronic heating is our specialty. We have installed cooling and hydronic heat piping in almost every setting, and in almost every potential weather environment.We install ¾” to 20” systems utilizing welding, grooved, fused and solder applications.We install horizontal and vertical inline pumps ranging from ¼ hp to 50 hp.
Fabrication
Most recently GW Mechanical, Inc. transformed our warehouse into a fabrication shop.This fabrication shop performs all types of pipe threading and grooving, as well as providing pre-engineered systems directly to our jobsites.We can weld and groove up to 16” pipe and thread up to 4” pipe. Our fabrication shop is open to walk in clients to meet multi industry special needs.
Excavation Sewer & Water
GW Mechanical, Inc. maintains a steady fleet of equipment such as excavators, backhoes, loaders, tampers, etc to install vaults, grease traps, manholes, sewer water and duct work under ground.We have the ability to perform these services inside an existing structure or on the outside of the building or house.
MORE services
Services
Hydronic Heating
Hydronic heating is our specialty. We have installed cooling and hydronic heat piping in almost every setting, and in almost every potential weather environment.We install ¾” to 20” systems utilizing welding, grooved, fused and solder applications.We install horizontal and vertical inline pumps ranging from ¼ hp to 50 hp.
Fabrication
Most recently GW Mechanical, Inc. transformed our warehouse into a fabrication shop.This fabrication shop performs all types of pipe threading and grooving, as well as providing pre-engineered systems directly to our jobsites.We can weld and groove up to 16” pipe and thread up to 4” pipe. Our fabrication shop is open to walk in clients to meet multi industry special needs.
Excavation Sewer & Water
GW Mechanical, Inc. maintains a steady fleet of equipment such as excavators, backhoes, loaders, tampers, etc to install vaults, grease traps, manholes, sewer water and duct work under ground.We have the ability to perform these services inside an existing structure or on the outside of the building or house.
MORE services

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Customers Leave Positive Feedback

GW Mechanical has been the mechanical contractor on several of our projects in Wyoming over the past 10 years. They have consistently demonstrated a high level of integrity, cooperation, knowledge and commitment to the entire team of construction and design professionals and the owner. It is refreshing to work with a firm that embraces a…

Mark D’Rosario Principal/Managing Partner

I wanted to thank you and commend you and your staff/crew for the professionalism you showed during this whole project. Many of our staff and patrons commented at how quiet and efficient you guys were while installing those boilers. So thank you!

AJ Mock Buffalo Senior Center

As a specifying engineer, I have had the privilege of working with GW Mechanical for almost 20 years.  Over that time I have been consistently impressed with the competence of their workforce, their quality of workmanship and attention to detail, and their steadfast commitment to our projects and the building owners, well after construction is…

Jak Peden Hollinger P.E.