Over 3 Decades of Manufacturing Experience Discount Commercial Doors is an American based commercial door manufacturing company that was established in October of 1985. We are a small, family run company that hand crafts every door to perfection in either our Costa Mesa, California location or at our plant in Tucson, Arizona. We proudly ship our products everywhere in the United States and international shipments are available upon request. We started with strip door manufacturing and have evolved our product line to handle a variety of needs to conserve energy and increase efficiency. We strive for customer satisfaction and quality first. We now work with major retail chains such as Costco, McDonalds, Trader Joes, Panera Bread, Pizza Hut, Dominos.