Ahrberg Milling Company began as Hancock feed store in 1920. Pawhuska Oklahoma natives, and brothers, Bill and Bob Ahrberg bought Hancock Feeds in 1960. In 1967 they built their first manufacturing plant in Cushing, Oklahoma. In 1978 their partnership dissolved and Bill retained ownership. In 1985 Bill's youngest son Rick joined Ahrberg Milling Company, and now assumes the role as President.