- CAS Institute of Computing Technology
- CITI Centre of Innovation in Telecommunications and Integration of services
- COMmunications, Réseaux, systèmes Embarqués et Distribués
- Carlos III University of Madrid
- Carnegie Mellon University [Pittsburgh]
- Center for Applied Internet Data Analysis [Univ California]
- CentraleSupélec
- Centre National de la Recherche Scientifique
- Centre Tecnològic de Telecomunicacions de Catalunya = Telecommunications Technological Centre of Catalonia
- Centre d'Enseignement et de Recherche en Informatique - CERI
- Centre for Telecommunications and Value Chain Research
- Chinese Academy of Sciences [Beijing]
- Chinese Academy of Sciences [Changchun Branch]
- Cisco Systems Belgium
- City University of Hong Kong [Hong Kong]
- Columbia University [New York]
- Communication Systems Group [Zurich]
- Computer Engineering and Networks Laboratory
- Computer Science Department - Carnegie Mellon University
- Computer Science Department [Boston]
- Computer Science Department [Universidade Federal de Juiz de Fora]
- Computer Science Division
- Computer Science [Heinrich Heine University]
- Computer Science and Engineering [Sydney]
- Computer Science department [Herzliya]
- Czech Technical University in Prague