Associated Milk Producers Inc. (AMPI) is a dairy marketing cooperative owned by 2,000 farm families and operated by its 1,200 employees. Dairy farm owners produce high-quality milk on family farms across Wisconsin, Minnesota, Iowa, Nebraska, South Dakota and North Dakota. AMPI's own packaging and processing plant is proudly located in Portage, Wisconsin, and they have cheese plants in Jim Falls, Wisconsin and Blair, Wisconsin.