1. Mercedes-Benz AG (Daimler AG)
2. VDL Bus and Coach
3. Scania AB
4. AB Volvo
5. Marcopolo S.A.
6. Solaris Bus and Coach SA
7. Zhengzhou Yutong Bus
8. Alexander Dennis
9. Xiamen King Long United Automotive
10. Zhengzhou Yutong Bus Co. Ltd.