1. ABB Ltd.
2. Delta Electronics
Inc
3. FIMER S.p.A.
4. Fronius International GmbH
5. Ginlong Technologies Co.Ltd.
6. GoodWe Technologies Co. Ltd.
7. Huawei Technologies Co. Ltd.
8. LG Corporation
9. Omron Corporation
10. Siemens Energy AG
11. SMA Solar Technology AG
12. SolarEdge Technologies Inc.
13. Solectria Renewables
LLC by Yaskawa America Inc.
14. Sungrow Power Supply Co. Ltd.
15. SunPower Corporation