1. BMW AG
2. Daimler AG
3. Doosan Group
4. General Motors company
5. Honda Motor Co. Ltd.
6. Hydrogen Vehicle Systems Limited
7. Hyperion Motors
8. Hyster-Yale Group Inc. by NACCO Industries Inc.
9. Hyundai Motor Group
10. Hyzon Motors Inc.
11. MAN Truck & Bus SE by Traton SE
12. Mazda Motor Corporation
13. Nikola Corporation
14. Nissan Motor Co. Ltd.
15. Renault Group
16. Riversimple
17. Tata Motors Limited
18. Toyota Motor Corporation
19. Volvo AB