Cosmo Energy Holdings Co., Ltd., through its subsidiaries, engages in the oil business in Japan and internationally. The company operates through Petroleum, Petrochemical, Oil Exploration and Production, and Renewable Energy segments. The Petroleum segment produces and markets gasoline, naphtha, kerosene, diesel, fuel oil, crude oil, lubricants, and LPG products. The Petrochemical segment produces and sells ethylene, mixed xylene, para-xylene, benzene, toluene, and solvent related products. The Oil Exploration and Production segment explores and produces crude oil. The Renewable Energy supplies and sells electricity generated by wind and solar power. Cosmo Energy Holdings Co., Ltd. was founded in 1986 and is headquartered in Tokyo, Japan.