
Idemitsu Kosan Co., Ltd. is one of Japan's largest and most established petroleum companies, founded in 1911 by Sazo Idemitsu. Headquartered in Tokyo, Idemitsu operates across the energy value chain, including oil refining, petrochemicals, lubricants, renewable energy, and resource development. With over 10,000 employees worldwide, the company serves both domestic and international markets, maintaining a strong presence in Asia and expanding its footprint globally.
Idemitsu's mission emphasizes sustainable energy solutions, environmental stewardship, and innovation in fuel and lubricant technologies. In recent years, the company has actively invested in renewable energy projects, such as solar and offshore wind, and has pursued strategic partnerships to advance low-carbon initiatives. Notably, Idemitsu has been recognized for its efforts in transitioning toward a decarbonized society, aligning with Japan's national climate goals and contributing to global energy transformation.
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