Established in 1964, ASI Technologies supplies specialized door systems to selected markets. Headquartered in Milwaukee, Wis., ASI distributes products to the cold storage, commercial, industrial and clean production markets. It has three major product lines. First, CleanSeal, which is a controlled environment door systems for the pharmaceutical, biomedical, nutriceutical, cosmetic and clean environment industries. The second, enviro, is a cold storage door system for cooler and freezer applications in the food and beverage industry. Lastly, MARATHON is an industrial doors system for the industrial, transportation, municipal and government facilities.