Diamond Doors is looking to grow our network of dealers and service professionals across North America. Apply to become a dealer today! We partner with a variety of businesses in our dealer and service network. Working with post-frame builders, steel building manufacturers, building centers, fabric structure manufacturers, specialized door companies, independent contractors, door service professionals, and more. We are committed to supporting our dealers, installers, service professionals and the end customer. Operating on the values of honesty and integrity, we build great relationships with our partners. At Diamond Doors, your success is our success. Since 1998, Diamond Doors has kept customer satisfaction as our measure of success. This carries through from engineering to shipping. We strive to offer quality industrial bi-fold doors that are convenient, simple to install, low maintenance, and long lasting. Diamond Doors started as a family company and remains family owned and operated. Our service is what you would expect from a family business: personal, friendly, and dedicated.