Since 1982, Custom Fuel Services has been providing the fueling services you need on the Inland River Waterway system. With o ... ur state-of-the-art fuel flats, Custom Fuel Services’ stands ready to provide midstream and dockside fuel service at our numerous locations along the Inland River. We offer electronic metering for fuel, lube, and slop oil; electronic bulk product tank measurement; and an integrated point-of-sale system to transfer the fuel, bulk and packaged lubricants, bilge water, slop oil, and supplies you need in an efficient and deliberate manner. read more