Global Environment Centre Foundation
HEAT - Habitat, Energy Application & Technology
International Institute for Energy Conservation
Nordic Environment Finance Corporation
EPRO Consulting JSC
National Centre for Sustainable Production and Consumption
LAVOLA 1981, SA (Anthesis Group)
EQO-NIXUS Advisory, Management and Training Services, SL
KPMG Samjong Accounting Corp.
ECO&PARTNERS
Egypt National Cleaner Production Center
Carbon Limits AS
Environmental Consulting Company S.A.S
Instituto de Investigación Geológico y Energético
Gas Natural Fenosa Engineering, S.L. 
Advanced Energy Centre
CLASP
The Green House
Behineh Sazan Sanat Tasisat
Natural Resources and Environmental Research Center, University of Haifa
Energías Renovables Exacta S. de R.L. de C.V.
Quercus Group
Center for Clean Air Policy
AD Solutions UG (haftungsbeschränkt)
Korea Institute of Civil Engineering and Building Technology
Science and Technology Policy Institute
SBA Enviro Systems Private Limited
Korea Atomic Energy Research Institute
New Energy and Industrial Technology Development Organization
Envidatec GmbH