• 

  OMFB Hydraulic

• 

  OREGON SCIENTIFIC

• 

  Pacific Scientific

• 

  Panalytical

• 

  Panasonic

• 

  Pem (Power Electronic Measurements)

• 

  Reliance Electric (Baldor (ABB))

• 

  Revol Sonier (now Maagtechnic, soon Eriks)

• 

  Rinco Ultrasonics

• 

  Samwha (Schneider Electric)