High Quality Content by WIKIPEDIA articles! BorgWarner Inc. (NYSE: BWA) is a United States-based worldwide automotive industry components and parts supplier. It is primarily known for its powertrain products, which include manual and automatic transmissions and transmission components, (e.g., electro-hydraulic control components, transmission control units, friction materials, and one-way clutches), turbochargers, engine valve timing system components, along with four-wheel drive system components.