1. AECOM
2. Agero Inc.
3. Axiomtek Co. Ltd.
4. Bosch Sicherheitssysteme GmbH
5. Bridgestone Corporation
6. Cellint Traffic Solutions Ltd.
7. Conduent Business Services
LLC
8. Cubic Corporation
9. Daktronics
10. Denso Corporation
11. DIMTS Ltd.
12. EFKON GmbH
13. European Telecommunications Standards Institute
14. Garmin Ltd.
15. GMV Innovating Solutions S.L.
16. Hitachi
Ltd.
17. Indra Sistemas
S.A.
18. Intel Corporation
19. International Business Machines Corporation
20. Iteris Inc.
21. Kapsch TrafficCom AG
22. Lanner Electronics Inc.
23. Mitsubishi Heavy Industries
Ltd.
24. N-iX Ltd
25. PTV Planung Transport Verkehr GmbH
26. Q-Free ASA
27. Ricardo PLC
28. Sensys Networks Inc.
29. Serco Inc.
30. Siemens AG
31. Singapore Technologies Engineering Ltd
32. Stantec Inc.
33. SWARCO AG
34. TagMaster
35. Teledyne FLIR LLC
36. TomTom International BV
37. TransCore by Roper Technologies Inc.
38. Transmax Pty Ltd.
39. Verra Mobility Corporation
40. WSP Global Inc.
41. Xerox Corporation