Eastern Farmers Co-op Po Box 9 Worthing, SD 57077 Phone : (605) 372-0410 Business Category Petroleum & Petroleum Products Wholesalers Exc. Bulk Stations & Terminals Eastern Farmers Co-op Division 47014 South Dakota Highway 44 Worthing, SD 57077 Phone : (605) 372-0410 Business Category Real Estate Cooperative Associations & Organizations