• 

  Ascom Tateco

• 

  Sumtak

• 

  AMT AG

• 

  COMTAC UNLIMITED INC

• 

  Emtaş

• 

  MTA

• 

  Mta-Unitechnologies

• 

  Sumtak-British Encoder Products Company

• 

  GEMTA

• 

  Amtak Fasteners