1.AB Volvo
2.BYD Company Limited
3.Daimler AG
4.Zhengzhou Yutong Bus Co. Ltd.
5.Anhui Ankai Automobile Co. Ltd.
6.Iveco S.p.A.
7.Scania AB
8.New Flyer Industries
9.Dongfeng Automobile Co. Ltd.
10.GreenPower Motor Company Inc.