HomeCooperatives Agricultural Cooperatives by States Agriculture Co-ops in Delaware Tags CO CT DE GA IA IL IN KS KY MA MD ME MI MN MO MS NC ND NE NH NJ NY OH PA RI SC SD TN TX VA VT WI WV Tags hide tags Southern States Cooperative Southern States Cooperative is a farmer-owned cooperative focused on providing agricultural producers with livestock feeds, seed, farm supplies, fertilizers, and fuel. Growmark Cooperative Growmark Inc. is an agricultural supply cooperative that provides products, services, and grain marketing in the Midwest and Ontario, Canada. Growmark’s core member cooperatives that use the name FS are located in Illinois, Iowa, and Wisconsin.