1. Anhui Ankai Automobile Co. Ltd.
2. Baoding Changan Bus Manufacturing Co. Ltd.
3. BYD Company
4. Daimler AG
5. Hyundai Motor Company
6. IVECO S.p.A.
7. KIA Motors Corporation
8. NFI Group
9. Proterra Inc.
10. Renault SAS
11. Tesla Inc.
12. VDL Groep B.V.
13. Volkswagen AG
14. Volvo Group
15. Zhengzhou Yutong Bus Co. Ltd.