- ATOS Origin
- ATOS [madrid]
- Altice Labs [Aveiro]
- Anglia Ruskin University
- Aristotle University of Thessaloniki
- Athonet
- Avlos
- Axon logic
- CISTER [Porto]
- COSMOTE S.A.
- Catholic University of Leuven = Katholieke Universiteit Leuven
- Centre Tecnològic de Telecomunicacions de Catalunya = Telecommunications Technological Centre of Catalonia
- Centre for Research and Technology Hellas
- Chercheur indépendant
- Democritus University of Thrace
- Department of Computer Engineering and Informatics [Patras]
- Department of Digital Systems [Athens]
- Department of Informatics [Ionian University]
- Dipartimento di Scienze e Innovazione Tecnologica [Alessandria]
- ENEL
- Eight Bells Ltd
- Eliar Elektrik
- EluciDATA Lab Sirris
- Enforma Technologies
- Engineering Ingegneria Informatica Spa [Roma]
- Entra Energy
- Faculdade de Engenharia da Universidade do Porto
- Fraunhofer
- Fraunhofer Institute for Open Communication Systems
- Hellenic Open University [Patras]
- Hellenic Telecommunications Organization S.A. [Athens]
- Hochschule Stralsund - University of Applied Sciences
- Humboldt-Universität zu Berlin = Humboldt University of Berlin = Université Humboldt de Berlin
- IHP - Leibniz-Institut für innovative Mikroelektronik
- INFOLYSiS
- INTRACOM Telecom
- IS-Wireless
- ITML
- Independent Power Transmission Operator
- Institute of Communication and Computer Systems
- Institute of Entrepreneurship Development
- Instituto Superior de Engenharia do Porto [Porto]
- International Hellenic University
- Ionian University [Corfu]
- Iquadrat Informatica S.L.
- KCSIT [Lisbon]
- KONTRON [Vienne]
- NOS Communications S.A. = NOS Comunicações, S.A.
- NOS INOVAÇÃO
- National Technical University of Athens [Athens]
- National and Kapodistrian University of Athens
- Orange Labs
- Orange Polska
- Orion Innovations P.C.
- PaxLife Innovations GmbH
- Rundfunk Berlin-Brandenburg
- School of Engineering (ISEP) of the Polytechnic Institute of Porto (IPP)
- Sidroco Holdings Ltd
- Sirris - Software Engineering & ICT Group
- Synelixis Solutions
- Telecom Italia
- TrainOse
- Ubiwhere
- Universidade do Porto = University of Porto
- University of Cyprus [Nicosia]
- University of Huddersfield
- University of Nicosia
- University of Nottingham, UK
- University of Patras
- University of Piraeus
- University of Sunderland
- University of Thessaly [Lamia]
- University of Thessaly [Volos]
- University of Western Macedonia [Kozani]
- University of the Aegean
- Università degli Studi del Piemonte Orientale - Amedeo Avogadro
- Università degli Studi di Milano = University of Milan
- Warsaw University of Technology [Warsaw]
- Wind Tre S.p.A.