Established in 1969, Associated Milk Producers Inc. (AMPI) is a dairy marketing cooperative company located in Sanborn, Iowa. It markets a full line of consumer-packaged dairy products, including the Cass-Clay brand. The company offers its client base a range of services, which include field service, daily component and somatic cell testing, milk contracting, equipment financing, milk market loss program, group life insurance, bulk tank cultures, milking system analysis, milking time evaluation and more. Members of AMPI operate dairy farms located throughout the Midwest states, including Wisconsin, Minnesota, Nebraska and South Dakota and North Dakota.