International

Abu Dhabi
Emirates Foundation
Urban Planning Council

China
Greentown Real Estate
Shandong Expressway Investment and Development Co. Ltd
Suzhou New District Economic Development Group Corporation
Treasury Holdings (China Ltd)
Qidong Xinhu Properties Co. Ltd

France
City of Aulnoye-Aymeries
City of Nancy
City of Paris

Germany
City of Arnsberg
City of Berlin
City of Essen
City of Frankfurt am Main
City of Leverkusen
City of Lübeck
City of Munich
Trizec Hahn (Ludwigsfelde)
WoGeHe (Hellersdorf Housing Company)

Iceland
Urridaholt e.h.f