• Cosmo Oil Co., Ltd.
  • Daitoh Trading Co., Ltd.
  • Hanwa Co., Ltd.
  • Idemitsu Kosan Co., Ltd
  • Itochu Enex Co., ltd.
  • ENEOS Corporation
  • Kanematsu Co., ltd.
  • ENEXFLEET Co., Ltd.
  • Marubeni Corporation
  • Marubeni Energy Corporation
  • Mitsubishi Corporation
  • Mitsuuroko Vessel Co., Ltd.
  • Nakagawa Bussan Co.,Ltd.
  • Sinanen Co., Ltd.
  • COSMO ENERGY SOLUTIONS COMPANY,LIMITED
  • Taiyo Oil Co., Ltd.
  • Toyo Energy Co., Ltd.