- Austrian Institute of Technology [Vienna]
- Behörde für Stadtentwicklung und Wohnen
- Brunel University London [Uxbridge]
- Catholic University of Leuven = Katholieke Universiteit Leuven
- Center for e-Government Studies
- Consiglio Regionale della Campania
- Customs Administration of the Netherlands [Amsterdam]
- Customs Administration of the Netherlands [Rotterdam]
- Danube University Krems
- Delft University of Technology
- Departamento de Sistemas Telemáticos y Computación [Mostoles, Madrid]
- Department of Information & Communication Systems Engineering [Grece]
- Department of Management and Engineering
- Department of Management and Engineering [Linköping]
- Dipartimento di Informatica [Italy]
- European Commission [Brussels]
- Fortiss [Munich]
- Fraunhofer
- Fraunhofer Institute for Open Communication Systems
- Fundação Getúlio Vargas [San Paulo]
- Haute École Spécialisée de Suisse Occidentale Valais-Wallis
- IBM
- IBM Nederland
- IBM Research - Ireland
- IT University of Copenhagen
- ITMO University [Russia]
- Informatics 17 - Chair for Information Systems
- International Hellenic University
- LK Knowledge Engineering Ltd
- Linköping University
- Mid Sweden University
- National Research University Higher School of Economics [St. Petersburg]
- Swiss Graduate School of Public Administration
- Swiss Public Administration Network
- Technical University of Berlin | Technische Universität Berlin
- Technische Universität Munchen - Technical University Munich - Université Technique de Munich
- Universidad Rey Juan Carlos [Madrid]
- Universidad de Granada = University of Granada
- University of Agder
- University of Birmingham [Birmingham]
- University of Macedonia [Thessaloniki]
- University of Skövde [Sweden]
- University of Twente
- University of Washington [Seattle]
- University of the Aegean
- Università degli Studi di Camerino = University of Camerino
- Università degli Studi di Salerno = University of Salerno
- Universität Koblenz-Landau [Koblenz]
- Université de Fribourg = University of Fribourg
- Université de Lausanne = University of Lausanne
- Weizenbaum Institut [Berlin]
- Zeppelin University