Continental AG, commonly known as Continental or colloquially as Conti, is a German multinational automotive parts manufacturing company specializing in brake systems, interior electronics, automotive safety, powertrain and chassis components, tachographs, tires and other parts for the automotive and transportation industries. Continental is structured into six divisions: Chassis and Safety, Powertrain, Interior, Tires, ContiTech, ADAS (Advanced Driver Assistance Systems). It is headquartered in Hanover, Lower Saxony. Continental is the world's fourth-largest tire manufacturer.