Latteria Soresina - A cooperative producing grana padano, provolone cheeses and butter.
Prairie Farms - Cooperative primarily in the business of processing fluid milk.
Swiss Valley Farms - A farmer-owned cooperative with dairy farmers/owners located in Wisconsin, Iowa, Illinois, and Minnesota.
Upstate Farms Cooperative, Inc. - Markets a wide variety of products including milk, dip, ice cream mix, yogurt, and flavored milk-based beverages.
Wisconsin Sheep Dairy Cooperative - Sheep Milk and Sheep Milk Cheese produced by small family farms. Includes a list of coop farms, news, and membership information.
