CERES Certification of Environmental Standards GmbH - Happurg

Wasserwirtschaftsamt - Nuremberg

California Energy Investment Center - Cupertino, California

Environment Department of the City of Nuremberg - Nuremberg

Greenpeace Nürnberg - Nuremberg

BUND Naturschutz Marketing GmbH - Lauf an der Pegnitz

ANUVA Stadt- und Umweltplanung GmbH - Nuremberg

ENVI EXPERTS GmbH - Nuremberg

Planungsbüro StadtLand - Nuremberg

Thuringian Ministry of Environment, Energy and Nature Conservation - Erfurt