- Ariston Thermo Group
- AXITEC Enregy GmbH
- Batt Cables
- BMZ Holding
- BYD
- EGing
- EV-Box
- FIMER
- Fronius International GmbH
- GoodWe
- Huawei
- JaSolar
- Jinko Solar
- K2 Systems
- KBE Elektrotechnik GmbH
- KEBA Group AG
- Kostal GmbH
- LG Chem
- LG Solar
- Longi Solar
- Lovato Electric
- Luxor Solar GmbH
- Mennekes
- Mitsubishi Electric
- Pylon Technologies, Co. Ltd
- REC Solar
- Risen Energy CO. LTD.
- Rossato Group
- Samsung
- SMA Solar Technology AG
- SolarEdge
- SolarFabrik S.L.
- Solvis d.o.o.
- Sungrow
- Suntech Power
- Talesu Solar Company
- Tigo
- Trina Solar
- TSC