1. Altenergy Power System Inc.
2. Continental AG
3. Darfon Electronics Corporation
4. Delta Electronics Inc.
5. Enphase Energy Inc.
6. Fimer S.p.A.
7. Fronius International GmbH
8. General Electric Company
9. Ginlong Technologies Co. Ltd.
10. Growatt New Energy Technology CO. Ltd
11. Huawei Technologies Co. Ltd.
12. Mitsubishi Electric Corporation
13. Omron Corporation
14. Power Electronics S.L.
15. Samlex America Inc.
16. Schneider Electric SE
17. Sensata Technologies Inc.
18. Siemens AG
19. SMA Solar Technology AG
20. SolarEdge Technologies
21. Sungrow Power Supply Co. Ltd.
22. TBEA Xinjiang SunOasis
23. TMEIC
24. Yaskawa Solectria Solar