International Center for Sustainable Development of Energy Water and Environment Systems – Macedonian Section (SDEWES-Skopje)
KEA Klimaschutz- und Energieagentur Baden-Württemberg GmbH
Stadt Kragujevac
Town of Poreč-Parenzo
City of Mostar
Regional Education and Information Centre for sustainable development in South East Europe (REIC)
Society for Sustainable Development Design (DOOR)
Regional development agency Srem
Central Union of Municipalities of Greece (KEDE)
German Cooperative and Raiffeisen Confederation – reg. assoc.