Located in San Bernardino, California, the Stater Bros. Distribution Center encompasses over 2.1 million sq. ft. and is the largest under-one-roof supermarket distribution center in America. Distribution employees perform a variety of duties from order selectors to mechanics to truck drivers. The facility is operational 24 hours a day, 7 days a week and includes a dry distribution center, a refrigerated distribution center, a transportation department, and a truck maintenance department.