WABCO Holdings is a supplier of electronic, mechanical, electro-mechanical and aerodynamic products for manufacturers of commercial trucks, buses and trailers, as well as passenger cars. Co. engineers, develops, manufactures and sells braking, stability, suspension, steering, transmission automation and air management systems for commercial vehicles. Co.'s products are pneumatic anti-lock braking systems, electronic braking systems, electronic stability control systems, brake controls, automated manual transmission systems, air disc brakes, and a variety of mechanical products such as actuators, air compressors and air control valves for medium and heavy-duty trucks, buses and trailers.