Knorr-Bremse AG is a German manufacturer of braking systems for rail and commercial vehicles that has operated since 1905. Other products in the company's portfolio include intelligent door systems, control components, air conditioning systems for rail vehicles, torsional vibration dampers, and transmission control systems for commercial vehicles. The Group has a presence in over 30 countries, at 100 locations. In 2022, the Group's workforce of over 31,000 achieved worldwide sales of EUR 7.15 billion. Wikipedia