Cosmo Energy Holdings Co., Ltd. engages in the management of its subsidiaries involved in the oil business. The company is headquartered in Chuo-Ku, Tokyo-To and currently employs 6,487 full-time employees. The company went IPO on 2015-10-01. The firm operates in three business segments. The Petroleum segment is engaged in the production and sale of volatile oil, naphtha, kerosene, light oil, heavy oil, crude oil, lubricating oil and liquefied petroleum gas. The Petrochemical segment is engaged in the production and sale of petrochemical products such as ethylene, mixed xylene, paraxylene, benzene, toluene, and petrochemical solvents. The Oil Development segment is engaged in the development, production and sale of crude oil. The other business includes construction business, insurance agency business, leasing business, travel business, wind power generation business, real estate sales business, accounting, finance, purchasing, general affairs and human resources-related business.