- IBM
- Indian Institute of Technology Kharagpur
- Industrial Engineering Department [Sint-Lieven]
- Information Security Group at Royal Holloway
- Information Security and Critical Infrastructure Protection Research Laboratory
- Information Technology Laboratory [Gaithersburg]
- Ingegneria dell'Informazione e Metodi Matematici
- Institut Brestois du Numérique et des Mathématiques
- Institut Mines-Télécom [Paris]
- Institut National des Sciences Appliquées
- Institut National des Sciences Appliquées de Lyon
- Institute for Infocomm Research - I²R [Singapore]
- Institute of Computer Science [FORTH, Heraklion]
- Institute of Information Engineering [Beijing]
- Institute of Software
- Instituto Superior de Economia e Gestão
- Instituto Superior de Estatística e Gestao de Informaçao
- InterDigital Communications