1. ABB Ltd.
2. DivInc.
3. Eaton Corporation PLC
4. General Electric company
5. Hitachi Energy Ltd.
6. Hubbell Incorporated
7. Itron Inc.
8. Mitsubishi Electric Power Products Inc.
9. Networked Energy Services Corporation
10. Open Systems International Inc.
11. Operation Technology Inc.
12. S&C Electric Company
13. Schneider Electric SE
14. Siemens AG
15. Utilidata Inc.