- Carinthia University of Applied Sciences
- Catholic University of Leuven = Katholieke Universiteit Leuven
- Center for Advanced Security Research Darmstadt [Darmstadt]
- Center for Research in Advanced Computing Systems
- Centrale Lille
- Centre National de la Recherche Scientifique
- Centre d'enseignement Cnam Paris
- Centre for Forensic Computing
- City University of New York [New York]
- CoSee GmbH [Darmstadt]