石油产业, y1 B' ~: O+ x( R5 ]
Abu Dhabi Oil Co., Ltd. Maruzen Oil Co., Ltd.( S: A5 C @) s5 A- B5 |6 w
Castrol Mitsui Oil And Gas Co., Ltd.
) }: j* K g% h6 L; G1 ~# } Corning Mobilsekiyu Kabushiki Kaisha
4 j5 i9 q d5 V) v Cosmo Oil Co., Ltd. Nichigo Engineering( L; z: m# v5 |3 J7 w( [) d( u. _9 E1 z
Esso Sekiyu K. K. Nippon Mitsubishi Oil Corporation+ X6 @" L- a3 S5 ?
Exxonmobil Okinawa Sekiyu Seisei Company, Ltd.
- Z3 }2 \% o8 T Fuji Kosan Co., Ltd. Seibu Oil Co., Ltd.
p0 y6 E h" S# e4 M. J1 ]& M# |2 s General Sekiyu K. K. Showa Shell Sekiyu K.K.
7 Q1 V; P5 v$ j9 l Idemitsu Kosan Co., Ltd. Showa Yokkaichi Co.
, \: z8 O N, \7 D" Y' A9 c N Inpex Corporation Taiyo Oil Co., Ltd.) ^% Z! a+ d. q
Japan Drilling Co., Ltd. Teikoku Oil Co., Ltd.
% J; J) [% a v0 B# V' z* b8 I Japan Energy Co., Ltd. Toa Oil Co., Ltd.
( I% F8 u! ~; q5 y6 y6 q" p, H Japan Oil Development Co., Ltd. Tonen Corporation
4 Q, p% L) R( x# C% s/ { Koa Oil Co., Ltd. UNOCAL(加州石油)
( j1 T9 ?8 ?5 B2 {& [# E5 S$ Q; W |