Cosmo Energy Holdings Co., Ltd. engages in the management of its subsidiaries involved in the oil business. It operates through the following business segments: Petroleum, Petrochemical, Oil Exploration and Development, and Renewable Energy. The Petroleum segment produces and sells gasoline, naphtha, kerosene, diesel, heavy oil, crude oil, lubricants, liquefied petroleum gas, asphalt and others. The Petrochemical segment produces and sells petrochemical products such as ethylene, mixed xylene, paraxylene, benzene, toluene, and petrochemical solvents. The Oil Exploration and Development segment develops, produces, and sells crude oil. The Renewable Energy segment supplies and sells electricity generated by wind power. The company was founded on October 1, 2015 and is headquartered in Tokyo, Japan.