The Murfreesboro Cities Service Station is a historic automotive service station on Arkansas Highway 26, facing the northeast side of the town square in Murfreesboro, it was operated as a Cities Service (later Citgo) gas station into the 1980s, Citgo Petroleum Corporation (or Citgo) is an American refiner, transporter and marketer of transportation fuels, lubricants, petrochemicals and other industrial products, owned by which nationality?