- CANON
- CEDRIC - Interactivité pour Lire et Jouer
- CESI : groupe d’Enseignement Supérieur et de Formation Professionnelle
- CIBER Fisiopatologia Obesidad y Nutricion
- CINECA [Bologna]
- CISCO Systems, Inc
- CNR Istituto di Scienza e Tecnologie dell’Informazione “A. Faedo” [Pisa]
- CNR-ISTI, HIIS Laboratory
- COMUE Université Côte d'Azur (2015-2019)
- CSIR
- CSIRO Agriculture and Food
- CSIRO Data61 [Sydney]
- CSIRO Information and Commuciation Technologies
- Calidris Ltd.
- Cape Peninsula University of Technology
- Capgemini [Danemark]
- Cardiff Metropolitan University
- Cardiff University
- Carl Von Ossietzky Universität Oldenburg = Carl von Ossietzky University of Oldenburg
- Carleton University
- Carnegie Mellon University [Pittsburgh]
- Carnegie Mellon University [Silicon Valley]
- Catholic Medical Center
- Catholic University of Leuven = Katholieke Universiteit Leuven
- Catholic University of Rio Grande do Sul
- Celum America Inc [Chicago]
- Center for Advanced Studies and Research in Information and Communication Technologies & Society
- Center for Applied Cybernetics, Department of measurement and control
- Center for Human-Computer Interaction
- Center for Science and Technology
- Center for Usability Research and Engineering [Vienna]
- Center of Cognitive Systems Engineering
- Center of Excellence in Social Technologies, Computing Institute
- Centrale Lille
- CentraleSupélec
- Centre National de la Recherche Scientifique
- Centre Pompidou
- Centre d'études et de recherche en informatique et communications
- Centre de Recherche en Informatique, Signal et Automatique de Lille - UMR 9189
- Centre de recherche sur le travail et le développement
- Centre d’Excellence en Technologies de l’Information et de la Communication
- Centre for Advanced Visualisation and Interaction [Aarhus]
- Centre for Development of Advanced Computing
- Centre for Development of Advanced Computing (C-DAC)
- Centre for Excellence in Signal & Image Processing, Dept of Electronic & Electrical Engineering
- Centre for HCI Design [London]
- Centre for Informatics and Systems
- Centre for Intelligent Machines
- Centre for Internationalisation and Usability
- Centre for Research in Computing
- Centre for User Experience Research (CUO)
- Centro de Investigação em Ciência e Tecnologia das Artes
- Chair for Technology and Innovation Management
- Chalmers University of Technology [Göteborg]
- Change Dyslexia
- Charles Darwin University [Australia]
- Chemistry Form Pte Ltd
- Chemnitz University of Technology | Technische Universität Chemnitz
- Chercheur indépendant
- Cheriton School of Computer Science [Waterloo]
- Children’s Healthcare of Atlanta
- Chinese Academy of Sciences [Changchun Branch]
- Christian-Albrechts-Universität zu Kiel = Christian-Albrechts University of Kiel = Université Christian-Albrechts de Kiel
- Ciber Fisiopatologia Obesidad y Nutricion (CIBEROBN)
- City University London
- City University of Hong Kong [Hong Kong]
- Cognitive UX GmbH
- Collaborative Systems Laboratory
- College of Computing and Information Sciences [Kampala]
- College of Education and Human Development
- College of Engineering and Computer Science
- College of Information Technology
- Colliers International France
- Cologne Institute of Conservation Science
- Cologne University of Applied Sciences
- Commonwealth Scientific and Industrial Research Organisation [Canberra]
- Communications Numériques
- Computer Graphics and HCI Group [Kaiserslautern]
- Computer Science Department
- Computer Science Department - Carnegie Mellon University
- Computer Science Department [Amsterdam]
- Computer Science Department [Bangkok]
- Computer Science Department [Crete]
- Computer Science Department [Cyprus]
- Computer Science Department [Santiago]
- Computer Science and Informatics [Roskilde]
- Computer Science and Technology College
- Computer Vision and Graphics
- Computing Institute
- Computing Laboratory
- Computing and Information Systems
- Computing and Networking Services
- Computing tools to empower users
- Conception collaborative
- Conception, Création, Compétences, Usages
- Concordia University [Montreal]
- Conservatoire National des Arts et Métiers [CNAM]
- Consiglio Nazionale delle Ricerche [Napoli]
- Consiglio Nazionale delle Ricerche [Pisa]
- ContentWise [Milan]
- Continental Automotive France [Toulouse]
- Cookie Cloud
- Cooperative Systems
- Copenhagen Business School
- Copenhagen Business School [Copenhagen]
- Cornell University [New York]
- Council for Scientific and Industrial Research [Pretoria]
- Coventry University
- Creative Cooperative
- CrossControl AB
- Cultural Studies
- Culture Lab [Newcastle]
- Curtin University
- Cyprus University of Technology
- Czech Technical University in Prague