1. Briggs & Stratton
LLC
2. Caterpillar Inc.
3. Champion Power Equipment Inc.
4. Cummins Inc.
5. Deutz Australia Pty Ltd.
6. Doosan Corporation
7. Generac Power Systems Inc.
8. General Electric Company
9. Governors America Corp.
10. Honda Motor Co. Ltd.
11. Hyundai Heavy Industries Co. Ltd.
12. IHI Corporation
13. INNIO Jenbacher GmbH & Co OG
14. JFE Holdings,Inc.
15. Kawasaki Heavy Industries
Ltd.
16. Kohler Co.
17. Liebherr Group
18. MAN Truck & Bus SE
19. Mitsubishi Heavy Industries
Ltd.
20. QVT Power
21. R Schmitt Enertec GmbH
22. Siemens AG
23. Subaru Corporation
24. Volkswagen AG
25. Weichai Power Co.Ltd.
26. W?rtsil? Corporation
27. Yanmar Holdings Co. Ltd.