1. A-to-Be
2. Abertis Infraestructuras S.A.
3. Conduent Inc.
4. Cubic Corporation
5. EFKON GmbH
6. Far Eastern Electronic Toll Collection Co. (FETC)
7. GeoToll Inc.
8. Indra Sistemas
S.A.
9. Kapsch Trafficcom AG
10. Mitsubishi Heavy Industries
Ltd.
11. Neology Inc.
12. Q-Free ASA
13. Quarterhill Inc.
14. Raytheon Company
15. Siemens AG
16. Thales S.A.
17. TollPlus LLC
18. Toshiba Corporation
19. Transcore Atlantic LLC
20. Vinci SA