1. Audi AG
2. Cummins Inc.
3. Fiat Automobiles S.p.A
4. Ford Motor Company
5. General Motors Company
6. Groupe Renault
7. Honda Motor Co. Ltd.
8. Kia Corporation
9. Mitsubishi Motors Corporation
10. Nissan Motor Co. Ltd.
11. Peugeot
12. Robert Bosch GmbH
13. Toyota Motor Corporation
14. Volkswagen AG
15. Volvo Car Corporation