- CERTH
- Catholic University of Korea
- Catholic University of Leuven = Katholieke Universiteit Leuven
- Center for Technology in Government
- Center for e-Government Studies
- Centre National de la Recherche Scientifique
- Centre for Public Administration
- Centre for Research and Technology Hellas
- Centre for Research and Technology Hellas [Athènes]
- Centro de Investigación y Docencia Económicas [Mexico]
- Chair for Information Systems I17
- Chair for Information Systems [Munich]
- Chercheur indépendant
- College of Information Studies
- Collège du Management de la Technologie [Lausanne]
- Computer Science Department, Faculty of Automatic Control and Computers
- Computer Science Division - School of Science and Technologies
- Consiglio Regionale della Campania
- Copenhagen Business School [Copenhagen]
- Corvinus University of Budapest
- Cross-border Research Association
- Customs Administration of the Netherlands [Amsterdam]
- Customs Administration of the Netherlands [Rotterdam]