| RRheinfabrik Düsseldorf, GermanyReal Estate | IT services: consulting, software development, Internet and support | |
| WWEMAG AG Schwerin, GermanyEnergy, Utilities & Waste Treatment | IT services: consulting, software development, Internet and support Nachhaltige Energie Energie- Und Internetlösungen Regionaler Energiepartner | |
| SKStadtwerke Konstanz GmbH Konstanz, GermanyEnergy, Utilities & Waste Treatment | IT services: consulting, software development, Internet and support Energieversorgung Wasserversorgung Stadtbusverkehr | |
| HLHeinz Lackmann GmbH & Co. KG Münster, GermanyEnergy, Utilities & Waste Treatment | IT services: consulting, software development, Internet and support Messtechnik Messdaten Smart Metering | |
| Bbeegy GmbH Schwalbach am Taunus, GermanyEnergy, Utilities & Waste Treatment | IT services: consulting, software development, Internet and support Photovoltaik Wärmepumpe Batteriespeicher | |
| SSolandeo GmbH Berlin, GermanyEnergy, Utilities & Waste Treatment | IT services: consulting, software development, Internet and support Wettbewerblicher Messstellenbetreiber Intelligente Messsysteme Smart Meter | |
| Mmedl GmbH Mülheim an der Ruhr, GermanyEnergy, Utilities & Waste Treatment | IT services: consulting, software development, Internet and support Energieversorgung Strom Gas | |
| EWE WIE EINFACH GmbH Köln, GermanyEnergy, Utilities & Waste Treatment | IT services: consulting, software development, Internet and support Stromtarife Gastarife Ökostrom | |
| GGGEW AG Bensheim, GermanyEnergy, Utilities & Waste Treatment | IT services: consulting, software development, Internet and support Stromversorgung Erdgasversorgung Wasserversorgung | |
| SMStadtwerke Marburg Marburg, GermanyEnergy, Utilities & Waste Treatment | IT services: consulting, software development, Internet and support Stromversorgung Wärmeversorgung Gasversorgung | |