American Axle & Manufacturing Holdings, Inc. ( AAM ) is a premier, global leader in design, engineering, validation and manufacturing of driveline, metal forming, powertrain, and casting technologies for automotive, commercial and industrial markets. AAM is a global Tier-One automotive supplier of driveline and drivetrain systems and related components for light trucks, SUVs, crossover, and commercial vehicles. The company operates its business through four segments - Driveline, Metal Forming, Powertrain and Casting. AAM has over 25,000 associates operating at more than 90 facilities in 17 countries to support customers on global and regional platforms with a focus on quality, operational excellence and technology leadership. AAM is headquartered in Detroit, Michigan.