石油产业

Abu Dhabi Oil Co., Ltd.Maruzen Oil Co., Ltd.Castrol Mitsui Oil And Gas Co., Ltd.Corning Mobilsekiyu Kabushiki KaishaCosmo Oil Co., Ltd.Nichigo EngineeringEsso Sekiyu K. K.Nippon Mitsubishi Oil CorporationExxonmobilOkinawa Sekiyu Seisei Company, Ltd.Fuji Kosan Co., Ltd.Seibu Oil Co., Ltd.General Sekiyu K. K.Showa Shell Sekiyu K.K.Idemitsu Kosan Co., Ltd.Showa Yokkaichi Co.Inpex CorporationTaiyo Oil Co., Ltd.Japan Drilling Co., Ltd.Teikoku Oil Co., Ltd.Japan Energy Co., Ltd.Toa Oil Co., Ltd.Japan Oil Development Co., Ltd.Tonen CorporationKoa Oil Co., Ltd.UNOCAL(加州石油)Kyushu Oil Company LimitedYushiro Chemical Industry Co., Ltd