Fuel Mart is owned and operated by Ports Petroleum Company, Inc. There are currently 15 Fuel Mart locations throughout Ohio, Indiana, Illinois, and South Dakota. Each location offers high quality diesel fuel and unleaded gasoline; along with a large selection of everyday items. All of our locations offer Diesel Exhaust Fluid (DEF), some locations have DEF available at the pump. Most locations are open 24 hours for customer convenience. Fuel for the day at Fuel Mart the retail fuel and convenient stores that offer high quality products at competitive prices.