Oil companies based in Tokyo

, formerly , or NOC or Shin-Nisseki (新日石) is a Japanese petroleum company. Its businesses include exploration, importation, and refining of crude oil; the manufacture and sale of petroleum products, including fuels and lubricants; and other energy-related activities. It is the largest oil company in Japan, and in recent years it has been expanding its operations in other countries.

INPEX Corporation is a Japanese oil company established in February 1966 as North Sumatra Offshore Petroleum Exploration Co., Ltd. INPEX is the largest oil and gas exploration and production company in Japan, with global exploration, development and production projects in 20 countries. In the 2020 Forbes Global 2000, INPEX was ranked as the 597th-largest public company in the world.

Japanese petroleum company

Japanese petroleum company

Japanese petrochemical company

Japanese oil exploration company

Japanese oil wholesaler

is a global supplier and operator of offshore floating platforms.