Continental AG, also frequently referred to as 'Conti', is a leading German auto and truck parts manufacturing company specializing in tires, brake systems, vehicle stability control systems, engine injection systems, tachographs, and other parts for the automotive and transportation industries. Continental is based in Hanover, Lower Saxony, Germany. Continental is the world's 4th largest tire manufacturer after Bridgestone, Michelin, and Goodyear. Continental was founded in 1871 as a rubber manufacturer, Continental-Caoutchouc und Gutta-Percha Compagnie. After acquiringSiemens AG's VDO automotive unit in 2007 Continental was ranked fourth in global OEM automotive parts sales in 2009 according to a study sponsored byErnst & Young LLP.

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