Ankmar is the largest installer of overhead garage doors in Colorado with locations in Denver, Colorado Springs and Loveland. Ankmar is the leader on the Front Range for garage door products and repair services that exceed the needs and expectations of builders, dealer/installers and homeowners. Since 1956, Ankmar has been synonymous with quality, Your garage door is the largest moving piece of equipment in your home. Broken springs, worn tracks and non-functioning safety equipment can be dangerous. Proper maintenance/service of the mechanical parts of your garage door is crucial to the safety and security of your home.