• 

  Ishihara Heater

• 

  Kobishi Electric

• 

  Mitsubishi Heavy Industries

• 

  MITSUBISHI MATERIAL

• 

  Mitsuhashi

• 

  Musashi Engineering

• 

  Shibasoku

• 

  Shicoh Engineering

• 

  Shinko Denshi

• 

  Shinko Electric