Great Western Petroleum provides full-service wholesale distribution of petroleum products to locations throughout Montana. With a combination of longtime customers and an ever growing number of new convenience store operators, GW Petroleum seeks to be the best fuel provider in Montana. We offer: ? Industrial Lubricating Oils ? Solvents & Log Oils ? Gasoline & Diesel Fuel ? Heatin Oil We are an authorized distributor for Conoco, Shell, Chevron, and Sinclair. GW Petroleum can leverage its experience to assist prospective operators in the establishment of profitable enterprises. Give us a call today for all your fuel needs!