1. ABB Limited
2. Caterpillar Inc.
3. Eaton Corporation
4. Emerson Electric Co.
5. General Electric Company
6. Hitachi
Ltd.
7. Honeywell International Inc.
8. Ontech Electric Corporation
9. PowerSecure Inc.
10. RTSoft GmbH
11. S&C Electric Company
12. Schneider Electric SE
13. Schweitzer Engineering Laboratories Inc.
14. Siemens AG
15. Spirae
LLC