- G Data Software AG Bochum
- GEMALTO
- GESTION DES DONNÉES ET DE LA CONNAISSANCE
- Garante per la protezione dei dati personali
- General Directorate of Security
- Geniem
- Georg-August-University = Georg-August-Universität Göttingen
- George Mason University [Fairfax]
- Gjovik University College
- Gjøvik University College
- Gjøvik University College (HiG)
- Global Cyber Security Center [Roma]
- Gnowit
- Goethe University Frankfurt
- Goethe-Universität Frankfurt am Main
- Goldsmiths, University of London
- Google Switzerland
- Graduate School of Engeneering [Tokai University]
- Graduate School of Engineering [Hiroshima]
- Graduate School of Informatics [Kyoto]
- Graduate School of Information Sciences
- Graduate School of Information Systems
- Graduate School of the Chinese Academy of Sciences
- Graduate University
- Graz University of Technology [Graz]
- Groupe Access
- Groupe de Recherche en Informatique, Image et Instrumentation de Caen
- Guangdong Institute of Education [Guangzhou]
- Guangdong Police College
- Génétique moléculaire, génomique, microbiologie
- Göteborgs Universitet = University of Gothenburg