- CAS Software AG
- CAS Software [Karlsruhe]
- CCI Tulle, Immeuble Consulaire du Puy-Pinçon
- CELS - Research Group on Industrial Engineering, Logistics and Services Operations
- CEMEX Research Group AG
- CNR-ITIA
- COnception de l'ACTIon en Situation
- CRIQ (Québec Industrial Research Centre)
- CTS - Uninova and Faculdade de Ciências e Tecnologia
- Cardiff University
- Cassa di Risparmio di Asti s.p.a.
- Centrale Lille
- CentraleSupélec
- Centre G2I
- Centre Génie Industriel
- Centre Interuniversitaire de Recherche sur les Réseaux d'Entreprise, la Logistique et le Transport
- Centre National de la Recherche Scientifique
- Centre d'études et de recherches appliquées à la gestion
- Centre de Génie Industriel et Informatique
- Centre de Recherche en Automatique de Nancy
- Centre for Digital Systems
- Centre for Enterprise Architecture Research and Management
- Centre for Industry and Innovation Studies
- Centre for Management Research Denkendorf
- Centre for Marine Technology and Ocean Engineering
- Centre for Software Reliability
- Centre of Physics of the University of Minho
- Centre of Technology and Systems
- Centre universitaire de formation et de recherche Jean-François Champollion - JFC (FRANCE)
- Centro Interuniversitário de História das Ciências e da Tecnologia
- Centro Interuniversitário de História das Ciências e da Tecnologia [Caparica]
- Centro Ricerche Fiat
- Centro de Integração e Inovação de Processos
- Centro de Investigación de Gestión e Ingenieria de la Producción [Valencia]
- Centro de Investigación en Gestión e Ingeniería de Producción [Valencia]
- Centro de Investigação em Sociologia Económica e das Organizações
- Chair for Information Systems, esp. ystems Engineering
- Chemnitz University of Technology | Technische Universität Chemnitz
- Chonbuk National University
- Cisco Systems
- City College [International Faculty of the University of Sheffield]
- City University London
- City University London, Cass Business School
- Clayton School of IT
- College of Engineering, Mathematics and Physical Sciences [Exeter]
- College of Information Sciences and Technology
- Collège du Management de la Technologie [Lausanne]
- Comision de Investigaciones Cientificas de la Provincia de BsAs
- Comisión de Investigaciones Científicas [Buenos Aires]
- 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
- Commitment AS
- Commitment AS [Lysaker]
- Companhia de Equipamentos Industriais
- Computer Engineering Department
- Computer Science and Information Technology
- Conception Produit Process
- Conception collaborative
- Consejo Nacional de Investigaciones Científicas y Técnicas [Buenos Aires]
- Consiglio Nazionale delle Ricerche [Milano]
- Corporación Educacional Nagüilán
- Corvinus University of Budapest
- Costa Rica Institute of Technology [Cartago]
- Countryside and Community Research Institute [Cheltenham]
- Cranfield University
- Customer Innovation Centre, Thales Communications & Security
- Cyntelix Corporation Ltd.