The Alliance of Automobile Manufacturers is the leading advocacy group for the auto industry representing 77% of all car and light truck sales in the United States, including the BMW Group, Fiat Chrysler Automobiles, Ford Motor Company, General Motors Company, Jaguar Land Rover, Mazda, Mercedes-Benz USA, Mitsubishi Motors, Porsche, Toyota, Volkswagen Group of America and Volvo Car USA. Headquartered in Washington, DC, the Alliance also has offices in Sacramento, California and Detroit, Michigan.