BorgWarner (NYSE: BWA) is a global supplier of engineered systems and components for powertrain applications.
According to the 2013 Annual Report, major sectors are--
Engine segment: Morse Tec (engine timing systems, transmission drive chains), Emissions Systems (exhaust gas recirculation), Thermal Systems (cooling systems), Turbochargers, and BERU Systems (glow plugs for diesel engines, cold start systems for diesels)
Drive Train segment: Torque Management, Transmission Products (clutch modules, all wheel drive, transfer cases, transmission clutches, friction products, and control modules)
In sales, Engines is abt twice as large as Drivetrain ($5,022MM vs $2,446MM in 2013)
The company has numerous joint ventures in China, Korea, and India.
and internal manufacturing by OEM companies.