Shareholders
Ten electric utility companies - 70%
(nine electric power companies and Japan Atomic Power Company)
Five trading companies - 20%
(Mitsui & Co., Ltd., Mitsubishi Corporation, Itochu Corporation, Marubeni Corporation, Sumitomo Corporation)
Five transport companies - 10%
(Nippon Express Co., Ltd., Kamigumi Co., Ltd., Sankyu Inc., Utoku Express Co., Ltd., Hitachi Transport Systems Ltd.)