FUJI KOSAN COMPANY, LTD. is primarily engaged in petroleum related products wholesale business. The Company is also engaged in the home energy business, including residential fuel oil retailing business, environment related business, including rental business of construction machine and mega solar power generation business. The Company operates in four segments. The Petroleum segment is engaged in purchasing and selling fuel oil, asphalt and lubricant oil. The Home Energy segment is engaged in retailing liquefied petroleum gas (LPG), kerosene and other household fuel oil. The Rental segment is engaged in rental business of construction machinery and others. The Environment Related segment is engaged in the sale of electricity and high quality urea water, among others.