Knorr-Bremse AG develops, produces, and markets brake systems for rail and commercial vehicles, along with other safety-critical systems worldwide. It operates through two segments: Rail Vehicle Systems and Commercial Vehicle Systems. The Rail Vehicle Systems segment offers braking, entrance, HVAC, sanitary, coupling, signaling, and digital solutions, as well as power electrics, rail computing and communication (RCC)/TCMS, testing equipment, windshield wiper and wash systems, and aftermarket solutions. The Commercial Vehicle Systems segment provides pneumatic braking systems, steering systems, vehicle dynamics solutions, driver assistance systems, automated driving and electronic leveling control, energy supply and distribution systems, and engine and transmission control components for trucks, buses, trailers, and agricultural machinery. The company also offers leasing, holding, logistics, and media and IT services. Founded in 1905 and headquartered in Munich, Germany, Knorr-Bremse AG operates as a subsidiary of KB Holding GmbH.