Countrymark Cooperative is an American farm cooperative that produces premium petroleum products for clients in the agricultural market. The cooperative s products include diesel fuel, unleaded fuel, kerosene and fuel oil designed for use with heavy duty machinery such as farm equipment and on-road diesel engines. Countrymark s petroleum products are refined in Mt. Vernon, Ind., from crude oil pumped from wells in Illinois, Indiana and Kentucky. Countrymark is headquartered in Indianapolis.
