- CA-MI S.r.l.
- CANON
- CAS Institute of Computing Technology
- CASH - Compilation and Analysis, Software and Hardware
- CAaNES, LLC [RiskSense, Inc]
- CBCU|ECRIC
- CEA Tech en régions
- CEACI-THALES
- CEDRIC - Interactivité pour Lire et Jouer
- CEDRIC. Réseaux et Objets Connectés
- CERN [Genève]
- CERTH
- CESI : groupe d’Enseignement Supérieur et de Formation Professionnelle
- CESNET [Prague]
- CETC Big Data Research Institute Co. Ltd
- CGI Nederland
- CIBER Fisiopatologia Obesidad y Nutricion
- CIDER
- CINECA [Bologna]
- CISC Semiconductor GmbH
- CISCO Systems, Inc
- CISTER [Porto]
- CITI Centre of Innovation in Telecommunications and Integration of services
- CMP-GC
- CNIL
- CNR Istituto di Scienza e Tecnologie dell’Informazione “A. Faedo” [Pisa]
- CNR-ISTI, HIIS Laboratory
- COMSATS Institute of Information Technology [Islamabad]
- COMUE Université Côte d'Azur (2015-2019)
- COMmunications, Réseaux, systèmes Embarqués et Distribués
- COSMOTE S.A.
- CRACS & Inesc TEC [Porto]
- CREATE-NET
- CREST Centre, Department of Computer Science
- CRIM
- CSIR
- CSIRO Agriculture and Food
- CSIRO Data61 [Sydney]
- CSIRO Information and Commuciation Technologies
- CWI
- Cairo University
- Calcul Naturel
- Calcutta Institute of Engineering and Management
- California Institute of Technology
- California Sciences Institute
- California State University [Fullerton]
- California State University [Northridge]
- Cambricon Technologies
- Cap Gemini [Amsterdam]
- Cape Peninsula University of Technology
- Capgemini [Danemark]
- Capital Normal University [Beijing]
- Cardiff Metropolitan University
- Cardiff University
- Cardinal Stefan Wyszyński University
- Carinthia University of Applied Sciences
- Carl Von Ossietzky Universität Oldenburg = Carl von Ossietzky University of Oldenburg
- Carleton University
- Carlos III University of Madrid
- Carnegie Mellon University [Pittsburgh]
- Carnegie Mellon University [Silicon Valley]
- Carnegie Mellon University in Qatar
- Categorical Informatics
- Catholic Medical Center
- Catholic University of Daegu
- Catholic University of Korea
- Catholic University of Leuven = Katholieke Universiteit Leuven
- Catholic University of Rio Grande do Sul
- Celum America Inc [Chicago]
- Center for Advanced Security Research Darmstadt [Darmstadt]
- Center for Advanced Studies [IBM CAS Canada]
- Center for Advanced Studies and Research in Information and Communication Technologies & Society
- Center for Applied Internet Data Analysis [Univ California]
- Center for Cybersecurity and Digital Forensics
- Center for Development of Telematics [New Delhi]
- Center for Higher Education Policy Studies
- Center for Human-Computer Interaction
- Center for Information Management, Integration and Connectivity (Rutgers University)
- Center for Interdisciplinary Research and Innovation
- Center for Measurement Standards (CMS)
- Center for Quantifiable Quality of Service in Communication Systems
- Center for Quantum Computing [Shenzhen]
- Center for REsearch And Telecommunication Experimentation for NETworked communities
- Center for Research & Development in Mathematics and Applications [Aveiro]
- Center for Research and Advanced Studies of the National Polytechnic Institute
- Center for Research and Exploration in Space Science and Technology [GSFC]
- Center for Research in Advanced Computing Systems
- Center for Research on Direct Democracy
- Center for Secure Information Systems [Fairfax]
- Center for Technology in Government
- Center for Usability Research and Engineering [Vienna]
- Center for e-Government Studies
- Center for the study of complex systems
- Center of Cognitive Systems Engineering
- Center of Excellence in Social Technologies, Computing Institute
- Center of Network, Henan Police College
- Central China Normal University [Wuhan, China]
- Central Police University
- Central South University [Changsha]
- Centrale Lille
- CentraleSupélec
- Centre Européen de Recherche en Economie Financière et Gestion des Entreprises
- Centre Génie Industriel
- Centre International de Hautes Etudes Agronomiques Méditerranéennes - Institut Agronomique Méditerranéen de Montpellier
- Centre International de Hautes Études Agronomiques Méditerranéennes
- Centre National de la Recherche Scientifique
- Centre National des Techniques Spatiales
- Centre Pompidou
- Centre Suisse d'Electronique et Microtechnique SA
- Centre Tecnològic de Telecomunicacions de Catalunya = Telecommunications Technological Centre of Catalonia
- Centre Universitaire d'Informatique
- Centre d'Enseignement et de Recherche en Informatique - CERI
- Centre d'Etude et de Recherche Travail Organisation Pouvoir
- Centre d'enseignement Cnam Paris
- Centre d'études et de recherche en informatique et communications
- Centre de Coopération Internationale en Recherche Agronomique pour le Développement
- Centre de Recherche Informatique de Montréal = Computer Research Institute of Montréal
- Centre de Recherche en Informatique
- Centre de Recherche en Informatique, Signal et Automatique de Lille - UMR 9189
- Centre de Recherche en Numérique de Sfax
- Centre de Recherche en Sciences et Technologies de l'Information et de la Communication - EA 3804
- Centre de recherche en éducation de Nantes
- Centre de recherche sur l'Information Scientifique et Technique
- 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 Applied Internet Research
- Centre for Applied Research in Information Systems
- Centre for Artificial Intelligence Research [Pretoria]
- Centre for Communication Systems Research
- Centre for Cybercrime and Computer Security [Newcastle]
- Centre for Cybersecurity and Cybercrime Investigation [Dublin]
- Centre for Democracy Studies Aarau
- Centre for Development of Advanced Computing
- Centre for Environment, Entrepreneurship and Sustainable Development (CEESD)
- Centre for Forensic Computing
- Centre for HCI Design [London]
- Centre for Informatics and Systems
- Centre for Informatics and Systems of the University of Coimbra - CISUC
- Centre for Intelligent Machines
- Centre for Interactive Systems Research
- Centre for Public Administration
- Centre for Quantifiable Quality of Service in Communication Systems
- Centre for Quantifiable Quality of Service in Communication Systems (Q2S)
- Centre for Quantum Computation and Intelligent Systems [Sydney]
- Centre for Research and Technology Hellas
- Centre for Research and Technology Hellas [Athènes]
- Centre for Sustainable Energy
- Centre for Telecommunications and Value Chain Research
- Centre for User Experience Research (CUO)
- Centre international d'études supérieures en sciences agronomiques
- Centre national du machinisme agricole, du génie rural, des eaux et forêts
- Centre of Excellence IT4Innovations
- Centre of Telematics and Information Technology
- Centro Neurolesi Bonino Pulejo Messina
- Centro Universitario de Ciencias Exactas e Ingenierías
- Centro de Informatica UFPE [Recife]
- Centro de Informática e Tecnologia Informação
- Centro de Investigacion y de Estudios Avanzados del Instituto Politécnico Nacional
- Centro de Investigación y Docencia Económicas [Mexico]
- Centro de Investigaçao e Desenvolvimento em Matematica e Aplicaçoes
- Centro de Investigação em Ciência e Tecnologia das Artes
- Centro de Matemática - Universidade do Porto
- Centrum Wiskunde & Informatica
- Centrum voor Wiskunde en Informatica
- Certus Centre for Software Validation and Verification
- Chair for IT Security, FB5
- Chair for Information Systems I17
- Chair for Information Systems [Munich]
- Chair of Corporate Strategy & Innovation [Lausanne]
- Chalmers University of Technology [Gothenburg, Sweden]
- Chalmers University of Technology [Göteborg]
- Chang Jung Christian University
- Chang'an University
- Change Dyslexia
- Changhong
- Chaoyang University of Technology
- Charles Darwin University [Australia]
- Chebyshev Laboratory
- Chemistry Form Pte Ltd
- Chemnitz University of Technology | Technische Universität Chemnitz
- Chennai Mathematical Institute [Inde]
- Chercheur indépendant
- Cheriton School of Computer Science [Waterloo]
- Chiang Mai University
- Chiba Institute of Technology
- Children’s Healthcare of Atlanta
- China Academy of Engineering Physics
- China Aerodynamics Research and Development Center
- China Information Technology Security Evaluation Center
- China Life Ecommerce Company Limited
- China Medical University Hospital
- China Medical University Taichung
- China Mobile [Hong Kong]
- China Runtime Technologies Lab
- China Transportation Telecommunication and Information Center
- China University of Petroleum
- China University of Petroleum Beijing
- China West Normal University [Nanchong]
- Chinese Academy of Engineering
- Chinese Academy of Sciences [Beijing]
- Chinese Academy of Sciences [Changchun Branch]
- Chitkara University
- Chonbuk National University
- Chongqing University [Chongqing]
- Chonnam National University
- Chosun University
- Christian Doppler Laboratory for Security and Quality Improvement and Quality Improvement in the Production System Lifecycle
- Christian-Albrechts-Universität zu Kiel = Christian-Albrechts University of Kiel = Université Christian-Albrechts de Kiel
- Christiansen IT Law [Seattle]
- Chubu University
- Chung Hua University
- Chung Hua University [Hsinchu]
- Chung-Ang University [Seoul]
- Chungbuk National University
- Chunghwa Telecom [Taipei]
- Chuxiong Normal University
- Chuzhou University
- Ciber Fisiopatologia Obesidad y Nutricion (CIBEROBN)
- Cisco Systems Belgium
- Cisco Systems France
- Cisco Systems France Siège Social
- City & Bits GmbH
- City College [International Faculty of the University of Sheffield]
- City University London
- City University of Hong Kong [Hong Kong]
- City University of London
- City University of New York [New York]
- Civil Protection Agency REMTH
- Clausthal University of Technology
- Clemson University
- Cleveland State University
- Cluster and Grid Computing Lab
- Cluster of Excellence Multimodal Computing and Interaction
- CoSee GmbH [Darmstadt]
- Coalfire Systems
- Cognitive UX GmbH
- Coimbatore Institute of Technology
- Collaborative Systems Laboratory
- College of Arts, Media and Technology [Chiang Mai]
- College of Business Administration
- College of Business Administration [Dubai]
- College of Business [Rabigh]
- College of Business and Finance [Manama]
- College of Computer Science
- College of Computer Science [Changsha]
- College of Computer Science and Software Engineering
- College of Computer Science and Technology
- College of Computer Science and Technology [Hangzhou]
- College of Computer Studies
- College of Computer and Information Science, Northeastern University
- College of Computing and Information Sciences [Kampala]
- College of Education and Human Development
- College of Engineering and Computer Science
- College of Engineering and Science [Louisiana]
- College of Information Engineering [Shenzhen]
- College of Information Science and Engineering [Biwako-Kusatsu Campus]
- College of Information Sciences and Technology
- College of Information Studies
- College of Information Technology
- College of Information and Technology Science [Jilin]
- College of Mathematics, Physics and Information Engineering [Jinhua]
- College of Staten Island [CUNY]
- College of William and Mary [Williamsburg]
- Collège du Management de la Technologie [Lausanne]
- Collège du management de la technologie
- Collège of information Engineering
- Cologne Institute of Conservation Science
- Cologne University of Applied Sciences
- Colombian Center of Excellence and Appropriation on Big Data and Data Analytics
- Colorado State University [Fort Collins]
- Columbia University [New York]
- ComNets
- Combination of approaches to the security of infinite states systems
- Commerzbank AG
- Commissariat à l'énergie atomique et aux énergies alternatives
- Commissariat à l'énergie atomique et aux énergies alternatives - Laboratoire d'Electronique et de Technologie de l'Information
- Commission nationale de l'informatique des libertés
- Commonwealth Scientific and Industrial Research Organisation [Australia]
- Communication Networks, TZI
- Communication Research Center
- Communication Systems Group [Zurich]
- Communication University of China
- Communications Numériques
- Communications, Images et Traitement de l'Information
- Compiler Optimization and Run-time Systems
- Composition de modèles pour l'ingénierie logicielle
- Computational and Systems Biology [Trento]
- Computer Emergency Response Team (Research and Academic Computer Network (NASK))
- Computer Engineering Department
- Computer Engineering Department, Faculty of Engineering
- Computer Engineering and Informatics Department
- Computer Engineering and Networks Laboratory
- Computer Graphics and HCI Group [Kaiserslautern]
- Computer Laboratory [Cambridge]
- Computer Learning Research Centre [Royal Holloway, University of London]
- Computer Research Institute of Montréal
- Computer School
- Computer Science Department
- Computer Science Department - Carnegie Mellon University
- Computer Science Department [Amsterdam]
- Computer Science Department [Boston]
- Computer Science Department [Crete]
- Computer Science Department [Cyprus]
- Computer Science Department [SUNY]
- Computer Science Department [Universidade Federal de Juiz de Fora]
- Computer Science Department, Faculty of Automatic Control and Computers
- Computer Science Department- University of Oklahoma
- Computer Science Division
- Computer Science Division - School of Science and Technologies
- Computer Science University of Science and Technology of China
- Computer Science VI
- Computer Science [Heinrich Heine University]
- Computer Science [Louisiana]
- Computer Science and Artificial Intelligence Laboratory [Cambridge]
- Computer Science and Communications Research Unit [Luxembourg]
- Computer Science and Engineering Department [Bucharest]
- Computer Science and Engineering [Sydney]
- Computer Science and Informatics [Roskilde]
- Computer Science and Information Engineering Department
- Computer Science and Research Institute of Cyber Defense
- Computer Science and Technology College
- Computer Science department [Herzliya]
- Computer Science department [Michigan Tech]
- Computer Security Division
- Computer Security and Industrial Cryptography [KU Leuven]
- Computer Technology Institute
- Computer Technology Institute and Press "Diophantus"
- Computer Vision and Graphics
- Computer science departement [Bremen]
- Computing Department
- Computing Department [Lancaster]
- Computing Division
- Computing Institute
- Computing Laboratory
- Computing Science Department [Edmonton]
- Computing Science Laboratory - Oxford University
- Computing and Information Systems
- Computing and Networking Services
- Computing tools to empower users
- Conception collaborative
- Conception, Création, Compétences, Usages
- Concordia Institute for Information Systems Engineering
- Concordia University [Montreal]
- Concurrency, Mobility and Transactions
- Confidentialité, Intégrité, Disponibilité et Répartition
- Consejo Nacional de Investigaciones Científicas y Técnicas [Buenos Aires]
- Consejo Superior de Investigaciones Cientificas [España] = Spanish National Research Council [Spain]
- Conservatoire National des Arts et Métiers [CNAM]
- Consiglio Nazionale delle Ricerche Area della Ricerca di Pisa
- Consiglio Nazionale delle Ricerche [Milano]
- Consiglio Nazionale delle Ricerche [Napoli]
- Consiglio Nazionale delle Ricerche [Pisa]
- Consiglio Regionale della Campania
- Consorzio Interuniversitario Nazionale per l'Informatica
- Consorzio Nazionale Interuniversitario per le Telecomunicazioni [Roma]
- Construction and Analysis of Systems for Confidentiality and Authenticity of Data and Entities
- Construction of verified concurrent systems
- ContentWise [Milan]
- Continental Automotive France [Toulouse]
- Control and Energy Management Laboratory (CEM Lab), Sfax Engineering School
- Control for Autonomic computing systems
- Cookie Cloud
- Cooperative Systems
- Copenhagen Business School
- Copenhagen Business School [Copenhagen]
- Coresec Systems [Malmo]
- Cork Constraint Computation Centre
- Cornell University [New York]
- Corporate Technology
- Corvinus University of Budapest
- Council for Scientific and Industrial Research
- Council for Scientific and Industrial Research [Pretoria]
- Council for Scientific and Industrial Research [South Africa]
- Court of First Instance of Serres
- Covenant University
- Coventry University
- Cracow Univeristy of Technology
- Cracow University of Technology
- Cranfield University
- Create [Vienne]
- Create-Net
- Creative Cooperative
- Credit Suisse
- Crisis Management and Disaster Response Centre of Excellence
- Croatian Health Insurance Fund
- Cross-border Research Association
- CrossControl AB
- Cryptography and Computeralgebra, Department of Computer Science
- Cultural Studies
- Culture Lab [Newcastle]
- Curtin Institute for Computation
- Curtin University
- Customs Administration of the Netherlands [Amsterdam]
- Customs Administration of the Netherlands [Rotterdam]
- Customs and Excise Department [Hong Kong]
- Cyber Center
- Cybernetica [Tallinn]
- Cyntelix Corporation Ltd.
- Cyprus University of Technology
- Czech Academy of Sciences [Prague]
- Czech Technical University in Prague
- Częstochowa University of Technology
- centre universitaire de Khenchela