1. ABB Ltd.
2. Aggreko Ltd.
3. AIO Systems Ltd.
4. Ameresco Inc.
5. Anbaric Development Partners
LLC
6. Black & Veatch Holding Company
7. Bloom Energy Corporation
8. CleanTechnica
9. Duke Energy Corporation
10. Eaton Corporation plc
11. Exelon Corporation
12. General Electric
13. Pareto Energy Ltd.
14. PowerSecure International
15. Rolls-Royce Power Systems AG
16. S&C Electric Company
17. Schneider Electric SE.
18. Siemens AG
19. SolarCity Corporation by Tesla Inc.
20. Spirae LLC
21. Tech Mahindra Limited
22. Teksan Generator Power Industries and Trade Co. Inc.