Magna International Inc. (TSX|MG)(NYSE|MGA) is a global automotive supplier headquartered in Aurora, Ontario, Canada. It is North America's largest automobile parts manufacturer, and one of Canada's largest companies. Its operating groups include Magna Steyr, Magna Powertrain, Magna Exteriors and Interiors, Magna Seating, Magna Closures, Magna Mirrors, Magna Electronics and Cosma International.  Wikipedia