- Aalto University
- Aristotle University of Thessaloniki
- Athens University of Economics and Business
- Centre for Research and Technology Hellas
- Centro Hospitalar do Porto
- Delft University of Technology
- European Union Agency for Network and Information Security [Heraklion]
- Federal Institute of Education, Science and Technology of Espírito Santo
- Federal University of Espírito Santo
- GIE SESAM-Vitale [Le Mans]
- Goethe-University Frankfurt am Main
- Ho Chi Minh City University of Science
- Ionian University [Corfu]
- Leibniz Universität Hannover=Leibniz University Hannover
- National Institute of Informatics
- National Technical University of Athens [Athens]
- Norwegian University of Science and Technology
- Norwegian University of Science and Technology [Trondheim]
- Open University of Cyprus
- Singular Logic [Athens]
- Technological Educational Institute of the Ionian Islands
- Universidade Estadual de Campinas = University of Campinas
- Universidade do Minho = University of Minho [Braga]
- University of Cyprus [Nicosia]
- University of East London
- University of Freiburg [Freiburg]
- University of Hamburg
- University of Macedonia [Thessaloniki]
- University of Oulu
- University of Piraeus
- University of Turku
- University of the Aegean
- Université de Nantes
- WIK Wissenschaftliches Institut für Infrastruktur und Kommunikationsdienste [Bad Honnef]