1. Continental Ag
2. Robert Bosch Gmbh
3. Denso Corporation
4. Eaton Corporation Plc
5. Borgwarner Inc
6. Marelli Corporation
7. Infineon Technologies
8. Zf Friedrichshafen Ag
9. Vitesco Technologies Group Ag
10. Valeo Group
11. Mitsubishi Electric Corporation
12. Toyota Industries Corporation
13. Lg Magna E-Powertrain
14. Drive System Design Ltd
15. Hitachi Astemo Ltd
16. Sungchang Autotech Co Ltd