Idemitsu Kosan Co.,Ltd. engages in the fuel oil, basic chemicals, functional materials, power and renewable energy, and resources businesses in Japan, Singapore, Asia, Oceania, North America, and internationally. The Fuel Oil segment engages in the production, sale, import, export, and trading in petroleum refined products comprising sustainable aviation fuel, synthetic fuel, biofuels, and carbon offset fuel; and operation of service stations that provide refueling, car wash, vehicle inspection, and maintenance services. Its Basic Chemicals segment produces and sells olefin and aromatic products, which include ethylene, propylene, linealene/alpha olefin, paraxylene, cyclohexane, and styrene monomer. The Functional Materials segment offers lubricants, functional chemicals, electronic materials, and bitumen/functional paving materials, as well as agri-bio products, pesticides and functional feed products. Its Renewable Energy segment engages in power generation from thermal, solar, and wind power; sale of electricity; and solar business. The Resources segment is involved in the exploration, development, production, and sale of crude oil, natural gas, and coal; and geothermal power generation. It is also involved in insurance businesses. Idemitsu Kosan Co.,Ltd. was founded in 1911 and is headquartered in Chiyoda, Japan.
