1. Alstom SA
2. AMiT
spol. s r. o. company
3. Australian Rail Technology
4. EKE-Electronics Ltd.
5. Hitachi Ltd.
6. Knorr-Bremse AG
7. Mitsubishi Electric Corporation
8. Quester Tangent Corporation
9. Selectron Systems AG
10. Sella Controls Ltd. by HIMA Group
11. Siemens AG
12. Teoresi S.p.A.
13. Texas Instruments Incorporated
14. Thales Group
15. Titagarh Wagons Limited
16. Toshiba Corporation
17. Wabtec Corporation
18. Wago Corporation