- CEO
- Taro Nakagome
- Full Time Employees
- 1,661
- Sector
- Energy minerals
- Industry
- Oil refining/Marketing
- Address
- 39-20, Higashi-Shinagawa 1-Chome Tokyo TY Japan 140-0002
- IPO Date
- Jan 4, 1963
- Business
- Sinanen Holdings Co., Ltd. operates as a holding company engaged in energy sales, corporate energy solutions, and non-energy businesses primarily in Japan. The company provides liquefied petroleum (LP) gas, kerosene, petroleum products including gasoline, diesel oil, fuel oil, and lubricating oil; electricity sales; home energy peripherals such as renovations, gas appliances, and housing equipment; corporate energy solutions encompassing solar power generation systems, energy-saving equipment, power supply development, gas station operations, and micro wind turbines; non-energy offerings including bike sharing and bicycle manufacturing/sales via Sinanen Bike Co., Ltd., cloud-based LP gas ERP systems through Minos Co., Ltd., inorganic antimicrobial agents, waste recycling fuels and materials, and comprehensive building maintenance services via Sinanen Axia Co., Ltd. and Sinanen Facilities Co., Ltd.; as well as services like housework, house cleaning, security, delivery, and building management. Founded in 1927 with roots in anthracite and briquette trading, Sinanen Holdings maintains its headquarters at 1-39-20 Higashi-Shinagawa, Shinagawa-ku, Tokyo, and lists on the Tokyo Stock Exchange Prime (8132); it operates through subsidiaries including Melife-West Co., Ltd., Melife Co., Ltd., Melife-East Co., Ltd., and Sinanen Co., Ltd., serving BtoC retail/wholesale energy markets and BtoB corporate clients across Japan with international elements in energy solutions. Recent developments include the July 2024 relocation of headquarters to Higashi-Shinagawa; the October 2023 absorption-type merger forming Sinanen Axia Co., Ltd. from building maintenance subsidiaries; the announcement in December 2024 of a major reorganization integrating four core energy companies—Melife-West, Melife, Melife-East, and Sinanen Co., Ltd.—into a new Sinanen Co., Ltd. effective April 2026 to streamline operations and enhance growth; entry into grid-scale battery business via subsidies in July 2024; launch of B5 diesel biodiesel fuel trading in November 2024; and renewable energy supply initiatives such as 100% additionality off-site corporate PPA to its headquarters in December 2024 and equivalent renewable electricity to clients in 2025.