1. Anhui Ankai Automobile Co. Ltd.
2. Blue Bird Corporation
3. BYD Company Ltd.
4. Construcciones y Auxiliar de Ferrocarriles
S.A.
5. Cummins Inc.
6. Lion Electric Company
7. Mercedes-Benz Group AG
8. Motiv Power Systems Inc.
9. Tata Motors Limited
10. The Lion Electric Company
11. Thomas Built Buses Inc.
12. TRANSDEV Group
13. Traton Group
14. Volvo Group
15. Yutong Buses Co. Ltd.