• 

  Langkamp Technology BV

• 

  GZVP/ ТОВ «ГЗВП»

• 

  POWERTIP TECHNOLOGY

• 

  OPTEX FA CO., LTD.

• 

  Adaptronic

• 

  Peak Optics

• 

  optimas

• 

  PTN-electronics

• 

  Neptune

• 

  OLYMPUS OPTICAL CO LTD