Cenex 1100 W Pipestone Ave Flandreau, SD 57028 Phone : (605) 997-3752 Business Category Grocery Stores Gas Stations Oils-Fuel (Wholesale) Fertilizers & Agricultural Chemicals Petroleum & Petroleum Products Wholesalers Exc. Bulk Stations & Terminals Farm Supplies Animal Health Products (Wholesale) Fertilizer Fuel Dealers Convenience Stores