1. ABB Ltd.
2. Alstom S.A.
3. Bombardier Inc.
4. Capgemini SE
5. CG Power & Industrial Solutions Ltd.
6. China Railway Signal and Communication Co
Ltd.
7. Cisco Systems Inc.
8. Construcciones y Auxiliar de Ferrocarriles
S.A.
9. Hitachi
Ltd.
10. Huawei Technologies Co. Ltd.
11. Indra
12. MER MEC S.p.A.
13. Siemens Mobility AG
14. Thales Group
15. Toshiba Corporation
16. Wabtec Corporation