Central Dakota Frontier Cooperative (DFC) is a $80,000,000 agronomy supply cooperative located in south central North Dakota. ... DFC currently has locations in Wishek, Napoleon, Hazelton, Steele, Bismarck, Mandan, New Salem, South Heart, Regent and Hettinger, North Dakota. We provides sales and application services for Fertilizer products, seed sales and seed treatment services, chemical sales and application services, fuel sales and fuels delivery and ag consulting services. The coop has farm supply, hardware retail, light automotive repair and tire service centers in Napoleon, Hazelton, New Salem, and Wishek, North Dakota. read more