G/C Building Supply Inc


View some of our recent projects.

Casper, WY

Premium Selection, Quality Service, Expert Installation & Repair

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G/C Building Supply, Inc. has been serving Casper with premium garage doors and parts for over 30 years. Shop our complete selection of wood garage doors, aluminum, and custom styles. Get the service and support you need to keep your home or business safe. Whether you are a family, a commercial owner, an architect, or a construction firm,  make us your first choice for professional and reliable service!

Premium garage doors


• Entry gates

• Gate openers

• Entry access systems

• Garage doors

Shop our unique selection of residential and commercial garage and gate products.

• Wood, metal, and custom garage doors

• Garage door openers, remotes, and parts

• Home-entry doors and gates


Request a consultation on any of our products.

Choose us for all properties:

Get the best for your home:

• Overhead garage doors

• Rolling garage doors

• Fire doors

• Parking doors

• Parking control systems

Find what you need for your business:

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