• 

  Semikron

• 

  Pulsotronic

• 

  TE Connectivity (Tyco Electronics)

• 

  Luxco (formerly Westronics)

• 

  Mag-Tronic

• 

  Stork tronic

• 

  Dosatron

• 

  Omron

• 

  HETRONIC

• 

  Peter Electronic