1. ALSTOM Holdings
2. Atos SE
3. CalAmp Wireless Networks Corporation
4. Cisco Systems Inc.
5. Cummins Inc.
6. Digi International Inc.
7. General Electric Company
8. Hitachi
Ltd.
9. Huawei Technologies Co. Ltd.
10. International Business Machines Corporation
11. Nokia Corporation
12. RADWIN Ltd.
13. Robert Bosch GmbH
14. Schneider Electric
15. Siemens AG
16. Sierra Wireless Inc.
17. Tech Mahindra Limited
18. Thales Group
19. Trimble Inc.
20. Wabtec Corporation
21. Wavecom Technologies