• 

  Warner Electric

• 

  ZED Ziegler Electronic Devices

• 

  TEREX FUCHS

• 

  Werner & Pfleiderer

• 

  Schärer Elektronik

• 

  Ascable-Recael

• 

  Warner Electric(THOMSON Neff Industries)

• 

  Ab Kihlstroms Manometerfabrik - no longer exists, alternative brand Messko

• 

  Acec (no longer exists)

• 

  Akortek-Akasa Everest