Garage door openers are our specialty! At Calvert's Overhead Door Service we do it all from garage door sales to repairs. We’ve been in business over 20 years serving customers throughout the Great Falls, Mont. area. We are proud to sell products from many leading manufacturers including high quality Haas doors. Calvert's Overhead Door Service offers: • Sales • Installation • Repairs • Garage door openers We are proud to be a member of the Better Business Bureau. In addition, we are certified, licensed and insured. Of course, we’re always happy to provide references. Call today for more information or to schedule service.