Through its various subsidiaries and divisions, Magna International makes just about everything needed to put together a motor vehicle. Magna Steyr, its largest division, offers vehicle engineering and assembly. Magna's interior and exterior systems division makes trim, lighting, sealing systems, instrument and door panels, and sound insulation. Cosma International makes body and chassis systems. Magna Powertrain offers transaxles, transmission systems, and engine parts, while Magna Mirrors makes mirrors and driver assistance products. Other Magna operations include Seating, E-Car Systems, Electronics, Roof, and Closures. Its geographic markets include North America, Europe, Africa, and Asia.