New York Air Brake, also known as NYAB, is a supplier of train control systems for the railroad industry. Established in 1890, it maintains several machining centers and test equipment. The company also provides braking and train handling systems, foundation brakes and training simulators. New York Air Brake offers products under the EP-60, EL-60 and TDS-5000 series. In addition, it provides a range of freight equipment, as well as valves, angle cocks, hoses and couplings. The company has research and testing facilities in the United States and Canada. New York Air Brake has achieved ISO 9001 certification. It operates a subsidiary, Anchor Brake Shoe Company. The company also offers parts replacement and engineering services. New York Air Brake is a part of Knorr-Bremse.