Participating organizations
GRNET's federation currently comprises the following Identity Providers:
- Universities
- Agricultural University of Athens
- Aristotle University of Thessaloniki
- Athens School of Fine Arts
- Athens University of Economics and Business
- Democritus University of Thrace
- Harokopio University
- Hellenic Open University
- Ionian University
- National Technical University of Athens
- Panteion University
- Technical University of Crete
- University of Aegean
- University of Athens
- University of Central Greece
- University of Crete
- University of Ioannina
- University of Macedonia
- University of Patras
- University of Peloponnese
- University of Piraeus
- University of Thessaly
- University of Western Macedonia
- Technological educational institutes
- Alexander Technological Educational Institute of Thessaloniki
- Technological Educational Institute of Athens
- Technological Educational Institute of Crete
- Technological Educational Institute of Epirus
- Technological Educational Institute of Halkida
- Technological Educational Institute of Ionian Islands
- Technological Educational Institute of Kalamata
- Technological Educational Institute of Kavala
- Technological Educational Institute of Lamia
- Technological Educational Institute of Larissa
- Technological Educational Institute of Messolonghi
- Technological Educational Institute of Patra
- Technological Educational Institute of Piraeus
- Technological Educational Institute of Serres
- Technological Educational Institute of Western Macedonia
- Other academic institutions
- Research institutes
- Other