Knorr-Bremse AG operates through two primary divisions: Rail Vehicle Systems and Commercial Vehicle Systems. The Rail Vehicle Systems segment equips mass transit vehicles, freight trains, and high-speed trains with braking systems, intelligent door systems, HVAC systems, and control components. The Commercial Vehicle Systems segment provides braking systems, steering systems, and powertrain components for heavy-duty trucks, buses, and trailers. The company maintains a significant global footprint with manufacturing and service facilities across Europe, the Americas, and the Asia-Pacific region. By serving both original equipment manufacturers (OEMs) and the aftermarket, Knorr-Bremse secures a stable revenue stream across the lifecycle of heavy transportation equipment.