Idemitsu Kosan
Japan
Member Since
1 January 2026
International Energy Company
Idemitsu Kosan Co., Ltd. is a Japanese petroleum and energy company founded in 1911 in Moji, Kita-Kyushu (headquarters moved to Tokyo in 1940), and is Japan's second-largest petroleum refiner after Eneos, ranked 262nd in the Fortune Global 500 (2008) with trailing twelve-month revenue of $56.9 billion. Listed on the Tokyo Stock Exchange and a constituent of the Nikkei 225 index since merging with Showa Shell Sekiyu in 2019, Idemitsu operates through five business segments including Petroleum, Basic Chemicals, High-Performance Materials, Power/Renewable Energy, and Resources, with a network spanning approximately 20 countries and 14,000 employees across 240 affiliated companies. The company owns and operates oil platforms (producing about 30,000 barrels of crude oil daily from North Sea fields and other locations), refineries (holding 13% of Japan's refining capacity), 5,250 service stations under the apollostation brand, and produces diverse products ranging from lubricants and petrochemicals to OLED materials for displays and renewable energy from biomass, wind, and solar power. Guided by its "People-Centered Management" philosophy and Apollo brand (symbolizing inexhaustible energy), Idemitsu aims to achieve carbon neutrality and a circular society by 2050 through three strategic business domains: "Energy One-Step Ahead," "Diverse Resource Conservation/Circulation Solutions," and "Smart Yorozuya," while continuing its legacy of innovation that includes the famous 1953 procurement of Iranian oil during the Anglo-Iranian Oil crisis.


