1. Audi AG
2. Ballard Power systems Inc.
3. BMW Group
4. Cummins Inc.
5. Daimler AG
6. Doosan Group
7. General Motors company
8. Groupe Renault
9. Hyster-Yale Group Inc.
10. Hyundai Motor Group
11. ITM Power PLC
12. Kia Motor Corporation
13. MAN Truck & Bus SE
14. Mazda Motor Corporation
15. Nikola Corporation
16. Toyota Motor Corporation
17. Volvo AB