Showa Shell Sekiyu K.K. was a Japanese company that operated as a subsidiary of Royal Dutch Shell until it was acquired by Idemitsu Kosan in 2018 and integrated into the company the following year. Wikipedia
Successor: Idemitsu Kosan
Parent organizations: Idemitsu Kosan and Shell plc
Subsidiaries: Idemitsu Kosan, Solar Frontier, Showa Yokkaichi Sekiyu Co.,Ltd., and more
CEO: Tsuyoshi Kameoka (Mar 31, 2015–) and Shigeya Kato (Mar 28, 2013–)
Founder: Samuel Samuel & Co
Founded: January 1, 1985
Headquarters: Minato City, Tokyo, Japan
Source: S&P Global Market Intelligence