- AEG Power Supply Systems GmbH,
- Aero-Sharp Electric Technologies Co., Ltd.,
- aixcon PowerSystems GmbH,
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- Atersa Direccíon Comercial,
- Beghelli S.p.A., BSL Greentech,
- Carlo Gavazzi Automation s.p.a.,
- Conergy AG,
- CYSCO ENERGY GmbH,
- Danfoss Drives AS,
- Delta Energy Systems GmbH,
- Diehl AKO Stiftung Co. KG,
- Dorfmüller Solaranlagen GmbH,
- Effekta Regeltechnik GmbH,
- Elettronica Santerno,
- EXENDIS B.V.,
- Fagor Automation S. Coop., Grupo
- Eurener, Hyundai Heavy Industries Co, Ltd.,
- IBC Solar AG,
- Ingeteam S.A.,
- Kostal Industrie Elektrik GmbH,
- KYOCERA FINECERAMICS GMBH,
- Layer Electronics s.r.l.,
- Leonics co., Ltd,
- LTi REEnergy GmbH,
- Mastervolt Solar BV,
- Mitsubishi Electric Europe B.V.,
- Motech Instruments,
- Oelmaier Industrieelektronik GmbH,
- Pairan Elektronik GmbH,
- Phoenixtec Power Co., Ltd.,
- Photowatt International S.A.,
- Powercom Co., Ltd,
- Power-One SpA,
- Refu Elektronik GmbH,
- Riello UPS GmbH,
- Santerno Carraro Grou,
- Satcon Technology Corporation,
- Schneider Electric Industries,
- SCHÜCO International KG,
- Siel S.p.A., Siemens AG,
- SILIKEN DEUTSCHLAND GmbH,
- Solar Konzept,
- SolarEdge Technologies Inc.,
- Solar- Fabrik AG,
- Solon Inverters AG,
- Solutronic GmbH,
- Sputnik Engineering AG,
- Steca GmbH,
- STUDER INNOTEC,
- Sungrow Power Supply Co., Ltd.,
- SunPower Corporation,
- Sunset Energietechnik GmbH,
- Suntension GmbH,
- Sunways AG,
- Sustainable Energy Technologies Ltd.,
- Tenesol,
- Tritec Deutschland GmbH,
- Vaillant Deutschland GmbH Co. KG,
- Victron Energy B.V.,
- voltwerk electronics GmbH,
- Würth Solergy,
- Xantrex Technology (Schneider),
- Zigor Corporación, S.A.