Whether you're looking for engine oils or fuel for your tractor, the professionals at Johnson Oil Co in Portland, IN know everything there is to know about oil and gas. With more than 30 years of experience, we provide prompt and dependable delivery of fuels with friendly service. Our technicians serve farms, homes, and industries and have earned the respect of clients in the Portland, IN area.. Diesel Fuels - Gasoline - High Quality Heating Oils - Lubribants