• 

  Federal Mogul

• 

  Hahn Gasfedern

• 

  Ringfeder

• 

  Mahr Federal

• 

  Federal Elektric

• 

  Federal Industry

• 

  Gasdruckfeder

• 

  MOHR & FEDERHAFF

• 

  RINGFEDER POWER TRANSMISSION

• 

  Federnfabrik Subti