University of Athens,
Georg-August-Universität Göttingen Stiftung Öffentlichen Rechts,
Consiglio Nazionale delle Ricerche,
Uniwersytet Warszawski,
European Organization for Nuclear Research (CERN),
ATHENA Research and Innovation Center in Information,
Communication and Knowledge Technologies,
Bielefeld University,
University of Minho,
Stichting eIFL.net,
Ghent University,
Universitetet i Oslo - CRIStin,
COAR e.V. - Confederation of Open Access Repositories,
Stichting LIBER,
Cooperacion Latinoamericana de Redes Avanzadas,
University van Amsterdam,
EMBL-EBI,
Universitaet Bremen,
Rheinische Friedrich-Wilhelms-Universitat Bonn,
JISC,
Stichting SURF,
Koninklijke Nederlandse Akademie van Wetenschappen - KNAW,
Technische Universiteit Delft,
Universität Wien,
Bulgarian Academy of Sciences,
Institute of Mathematics and Informatics,
Ruđer Bošković Institute (RBI),
University of Cyprus,
VŠB-Technical University of Ostrava (VŠB-TUO),
Syddansk Universitet,
Tartu Ulikool,
Helsingin Yliopisto,
Couperin,
University of Konstanz,
Ethniko Idryma Erevnon,
Debreceni Egyetem,
Landspitali University Hospital,
Trinity College Dublin,
Consorzio Interuniversitario Cineca,
Latvijas Universitate,
Université du Luxembourg,
Kauno technologijos universitetas,
Universita ta Malta,
Sarminfo SRL,
Univerzitet u Beogradu,
Centrum Vedecko Technickych Informacii Slovenskej Republiky,
University of Ljubljana,
FECYT (Fundación Española para la Ciencia y Tecnología -Spanish Foundation for Science and Technology),
Kungliga Biblioteket,
University of Zurich,
Izmir Institute of Technology,
University College London,
University of Tromsø Library,
Data Archiving and Networked Services,
Technical University of Denmark,
WDDC / German Climate Computation Center,
CGIAR (Consultative Group on International Agricultural Research),
British Atmospheric Data Centre,
Utrecht University,
Kosson,
CASPUR,
HUNOR (HUNgarian Open Repositories),
Univerzitna Kniznica,
CSIC,
University of Nottingham,
Malta Council for Science and Technology (MCST)