- ABB Ltd
- Schneider Electric SE
- Siemens AG
- Mitsubishi Electric Corporation
- Omron Corporation
- General Electric Company
- SMA Solar Technology AG
- Delta Energy Systems Inc.
- Enphase Energy Inc.
- SolarEdge Technologies Inc.
- Huawei Technologies Co. Ltd.
- Kstar New Energy Co. Ltd
- Sineng Electric Co. Ltd
- Sungrow Power Supply Co Ltd
- Tabuchi Electric Co. Ltd
- TBEA Sunoasis Co. Ltd
- TMEIC Corporation