Since 1973, Knorr Brake Company (KBC) has been the innovative leader in supplying North American rail market customers, including light rail vehicles, METRO, and high-speed trains. With its North American headquarters in Westminster, Maryland, the company operates sales and service facilities in Carmel, New York; and Union City, California. KBC's subsidiaries – IFE North America LLC (passenger door systems) and Merak North America LLC (climate-control systems) – are co-located in Westminster. Knorr Brake Company is a member of the Munich, Germany-based Knorr-Bremse Group, the global market leader in braking systems and a leading supplier of other safety-critical rail and commercial vehicle systems.