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