Idemitsu kosan Co.,Ltd.


Idemitsu Kosan Co.,Ltd. aims to be an international energy company who creates new value while seeking harmony with the Earth.

Idemitsu with its head office located at Chiyoda-Ku, Tokyo, Japan has marked its 100th anniversary with its main purpose to engage in refining of petroleum, manufacture and sale of petrochemical products, other oils and materials. Apart from these, Idemitsu also ventures into explorations for development and exploitations of various energy and other minerals including manufacture of medicine, materials for agricultural purposes. Idemitsu also advances in engineering technology and software developments with its sales and consulting.

Idemitsu had set its foot in the downstream operations since the starting of First Tokuyama refinery in 1957 and has gained vast experience of more than 60 years. Internationally, Idemitsu pursuits to the stable supply of energy by expanding trading functions in which the supply and demand in each country for different products are adjusted. In 2019, Idemitsu Kosan Co.,Ltd. has implemented the Business Integration with Showa Shell Sekiyu k.k. to create ‘synergy’ based on the principles of diversity and inclusiveness. Since its establishment, Idemitsu has been practicing the concept of “respect for human beings” in the conduct of business and has sought to meet the high expectations of society and earn its trust.

    • Domestic/1,090 KBD by 7 refineries,
    • Abroad/200 KBD by Nghi Son Refinery in Vietnam (JV with KPI/ PVN/ Mitsui)
    • Idemitsu has 2 petrochemical complex at Chiba and Tokuyama in Japan.
    • Total product capacity is,
    • Ethylene/ 1,000 Kton/Y, Propylene/600 Kton/Y, BTX/2,500 Kton/Y,
    • Idemitsu also produces other basic chemicals and high-performance chemicals.
  • AMOUNT OF SALES: US$ 61 billion (2018)
  • EMPLOYEE: 13,000