Cosmo Oil Company

Cosmo Oil Company, Limited (コスモ石油株式会社, Kosumo Sekiyu Kabushiki-gaisha) is a Japanese petrochemical company. Cosmo traces its corporate roots to Maruzen Petroleum (丸善石油株式会社), a company established in 1931, although the oil business operated by Maruzen was originally established by Zenzo Matsumura in Kobe in 1907. Cosmo Oil Company was formed on April 1, 1986, through the merger of Maruzen Petroleum and Daikyo Petroleum, a group of oil businesses based in Niigata Prefecture which merged together in 1939. A major fire occurred at the Cosmo refinery in Ichihara as a result of the 2011 Tōhoku earthquake. It was extinguished after ten days, killing or injuring six people, and destroying storage tanks Cosmo operates four refineries, all of...