S-Oil Corporation is a petroleum and refinery company, headquartered in Seoul, South Korea. It was established in 1976 under its original name Iran-Korea petroleum company. It produces petroleum, petrochemical, and lubricant products. The company was listed as a Fortune Global 500 company in 2009 (Rank 441).
S-Oil's Onsan Refinery in Ulsan, South Korea has a capacity of some 650000 oilbbl/d in 2016.
History
S-Oil Corporation was founded in 1976 as the Iran-Korea Petroleum Company reflecting early international collaboration. In 1980 Completion of the Onsan Refinery in Ulsan, South Korea, marking its entry into large scale refining. After Iran Revolution Iran's overseas investments wre disrupted, and its stake in the South Korean venture became politically and commercially untenable. In 1980 The company was renamed SsangYoung Oil Refining Company, effectively ending Iran's direct involvement.[1]