About Us-Mid-Valley Garage Door Proudly, Mid-Valley Garage Door is a Family Owned and Operated Business with Over 25 Years in the Overhead Door and Automatic Gate Industry. If you demand high-quality work, then our family-owned and -operated company has the technicians to serve you. Our technicians are trained in house and are stringently taught and tested on all aspects of the residential and commercial overhead door business and use modern equipment and tools to ensure accurate, long-lasting repairs.