S-Oil Corporation is a Korea-based oil refining and marketing company. The Company operates in three business segments: oil refining segment, lube oil segment and petrochemical segment. Its oil refining segment engages in the refining and marketing of liquefied petroleum gas (LPG), kerosene, gasoline, diesels, naphtha, bunker oils, blending oils, asphalts and others. Its lube oil segment engages in the production of lube base oils and marine lubricants under brand name of Ultra-S and others. Its petrochemical segment engages in the production and distribution of petrochemicals, such as benzene, toluene, xylene, para-xylene and others. The Company distributes its products within domestic market and to overseas markets.