Continental AG, commonly known as Continental, is a leading German automotive manufacturing company specialising in tyres, brake systems, interior electronics, automotive safety, powertrain and chassis components, tachographs, and other parts for the automotive and transportation industries. Continental is based in Hanover, Lower Saxony, Germany. Continental is the world's fourth-largest tyre manufacturer. Continental was founded in 1871 as a rubber manufacturer, Continental-Caoutchouc und Gutta-PerchaCompagnie.