United Dairymen of Arizona, also known as UDA, is an agricultural milk marketing cooperative. Incorporated in 1960, the cooperative offers fresh milk and other dairy products. Its members include more than 90 producers. The cooperative s manufacturing facility in Tempe operates 24 hours a day, seven days a week. United Dairymen of Arizona offers high-, medium- and low-heat, nonfat dry milk. It also offers a variety of cream, butter and lactose powder, as well as skim milk. The cooperative provides a selection of products fore cheese manufacturers. Its plant processes over 9 million pounds of milk daily. United Dairymen of Arizona offers installation, emergency repair, preventive maintenance and transportation services for its members.