Fuji Kosan Co., Ltd. engages in the purchase and sale of fuel oil, asphalt, lubricating oil, and green products. It operates through Petroleum, Home Energy, Rental, Environment Related and Recycling segments. The Petroleum segment deals with the purchase and sale of petroleum products such as fuel oil, asphalt, and lubricating oil. The Home Energy segment offers fuel oil products for household in small quantities. The Rental segment provides the rental of construction machinery and equipment. The Environment Related segment sells electricity generated by mega solar power plants. The Recycling segment involves in the reuse and recycling of waste oil and plastics. The company was founded on September 17, 1949 and is headquartered in Tokyo, Japan.