• 

  Schneider Electric

• 

  Derelek

• 

  Peter Electronic

• 

  Moeller (Eaton)

• 

  Cutler Hammer (Eaton)

• 

  Revere Transducers

• 

  Telemecanique (Schneider Electric)

• 

  Beijer Electronics

• 

  Elau (Schneider Electric)

• 

  J. Schneider Elektrotechnik