Headquartered in Dallas, Texas, the company maintains plants and distributors in the United States. Dean Foods has 66 manufacturing facilities in 32 U.S. states and distributes its products across all 50. The company's 58 brands include DairyPure, TruMoo, Friendly's, Mayfield, Dean's, Meadow Gold, Tuscan and Alta Dena. Dean Foods was acquired by the Dallas-based Suiza Foods Corporation, who later adopted the Dean Foods name.
Dean Foods was founded by Samuel E. Dean, Sr., who owned an evaporated milk processing facility in Franklin Park, Illinois, in the 1920s. After purchasing other Illinois dairy plants Dean developed the enterprise "from a small regional dairy into a diversified food company".
Dean Foods products include milk, ice cream, dairy products, juice, and teas. It processes milk in the United States under a number of regional and national brands.