SUNAUTAS CO., LTD. is a Japan-based company principally engaged in the energy-related business. The Company operates in four business segments. The Energy segment is engaged in the retail and wholesale of gasoline, diesel oil, kerosene, fuel oil and lubricating oil, as well as the automobile maintenance business. The Car Business segment is engaged in the sales, maintenance and inspection of new and secondhand cars. The Life Support segment is engaged in the car rental agency business, the nonlife insurance business. The Real Estate related segment is engaged in the leasing of real estate.