1. Caterpillar Inc.
2. Fiat SpA
3. Ford Motor Company
4. Kirloskar Oil Engines Limited
5. Mahindra & Mahindra Ltd.
6. Navistar Inc.
7. Robert Bosch GmbH
8. Shanghai Diesel Engine Co. Ltd.
9. The Mercedes-Benz Group AG
10. Toyota Industries Corporation
11. Volvo AB
12. Wacker Neuson SE
13. W?rtsil? Corporation
14. Yamaha Corporation