Shiraz Oil Refining Company is located at 22 km of Shiraz-Isfahan road. The designed capacity of this refinery is 40,000 barrels per day, equivalent to 2 million tons per year. According to the design, the required crude oil feedstock is supplied by a 10-inch pipeline 230 km long from oil wells in the Gachsaran region. The design and construction stages of the refinery began in 1970 and were completed in 1973. This refinery was exploited in the same year.