With almost 2,500 employees worldwide, Pierburg specializes in emission-control and air-management systems, throttle bodies as well as solenoid valves. Its customers include all the renowned automotive names. The five business units, Automotive Emission Systems, Actuators, Solenoid Valves, Pump Technology and Commercial Diesel Systems, develop engineering solutions for motor vehicle manufacturers around the globe. Pierburg GmbH is a subsidiary of KSPG AG whose around 12,000 employees worldwide generate annual sales of some â‚¬2.5 billion. KSPG AG is a company of the Rheinmetall Group.