1. ABB Ltd.
2. ALSTOM Holdings
3. Conservation Resource Solutions Inc.
4. CPower
5. Eaton Corporation PLC
6. Encycle Corporation
7. Enel S.p.A.
8. EnergyHub Inc.
9. General Electric Company
10. Honeywell International Inc.
11. Itron Inc.
12. Johnson Controls International PLC
13. Lockheed Martin Corporation
14. Open Access Technology International Inc.
15. Oracle Corporation
16. Ormat Technologies Inc.
17. Schneider Electric SE
18. Siemens AG
19. Tantalus Systems Holding Inc.
20. Trilliant Holdings Inc.
21. Verdigris Technologies Inc.