S-Oil Corp. engages in the operation of oil refineries. It operates through the following business divisions: Oil-Refining, Lube Oil, and Petrochemical. The Oil-refining includes the processing of liquefied petroleum that produces gas, naphtha, kerosene, diesel, and b-c Oils. The Lube Oil produces lube-based oil and marine lubricants. The Petrochemical provides benzene, toluene, xylene, and para-xylene. The company was founded on January 6, 1976 and is headquartered in Seoul, South Korea.