Heimann Ingenieure GmbH
Engineers
Berlin, Germany

Deutsches Windenergie-Institut
German Wind Power Institute
Wilhelmshaven, Germany

Windhunter
Windmessungen
Company for Measurement Technologies
Koszalin

BTB Blockheizkraftwerks-Träger- u. Betreibergesellschaft
Cogeneration Installations (CHP) Specialist
Berlin, Germany

Beratungs- und Service-Gesellschaft Umwelt
Environmental Consulting and Service
Berlin, Germany

Energieinstitut Vorarlberg
Energy Institute Vorarlberg
Dornbirn, Austria

Trägerverein Energiestadt
Energy City head office
Zurich, Switzerland

EU Project Communal Labels
Germany, Switzerland, Austria, Poland

Studnicki Pleszka Cwiakalski Górski, Attorneys
Kraków, Poland

EnergoKonsult
Kolobrzeg, Poland