Cosmo Energy Holdings Co Ltd is a Japan-based company mainly engaged in the development, import, refining, storage and sale of crude oil. The Company operates in four business segments. The Oil Development segment is engaged in the development and production of crude oil. 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 Renewable Energy segment is engaged in wind power generation business. The other businesses include real estate sales and management, construction and insurance, accounting, finance, purchasing, general affairs and human resources related services.