• 

  Zensol

• 

  Sensor Solutions

• 

  FORTRON/SOURCE

• 

  Carlyle Johnson

• 

  Green SOKKI Co., Ltd.

• 

  Sensor-Technik Wiedemann GMBH

• 

  Accurate Sensors Technologies -AST

• 

  HANSON

• 

  NIHON DENSOKU

• 

  NIIGATA RIKEN SOKUHAN