ET Solutions AG | Munich/GER | Member of ET SOLAR GROUP

www.etsolutions.de | 2012 – 2016

ENN Solar Energy Group Europe, Frankfurt/GER | Member of ENN GROUP

www.enn.cn | 2011

GEOSOL Gesellschaft für Solarenergie mbH | Berlin/GER | Member of KOKUSAI KOGYO GROUP

www.geosol.com | 2010

WIRSOL SOLAR AG | Waghäusel/GER

www.wirsol.com | 2010

Windwärts Energie GmbH | Hannover/GER

www.windwaerts.de | 2010

WKN AG | Husum/GER

www.wkn-ag.de | 2008 – 2009

Theolia S.A. | Aix-en-Provence/FRA

www.theolia.com | 2005 – 2007