Rheinmetall AG is a holding company that is engaged in the manufacture and supply of automotive components and defence equipment. The company operates through two segments Automotive and Defence. The Automotive segment operates in the aftermarket business, supplying wholesalers, engine repair shops and independent garages with replacement parts through a global distribution network. The defence segment develops and supplies armed forces technology, including vehicle, protection and weapon systems, air defence systems, infantry equipment, networking of function sequences and simulation. The company was founded by Heinrich Ehrhardt on April 13, 1889 and is headquartered in Dusseldorf, Germany.