JAPAN
  • Isuzu Motors
  • sumitomo Co.
  • Marubini Metals
  • JGC Gulf International Ltd. Co
  • J-Power Systems Saudi Co. Ltd
  • MEISEI Industrial Co. Ltd.
  • Yoshimine company Ltd
  • Mitsubishi Heavy Industries Ltd
  • Mitsubishi Corporation
  • Japan Drilling Company Ltd. (JDC)
  • Du pont kabuSHIKI KAISHA