- I2S [Porto]
- IBM
- IBM India Research Lab.
- INOV [Lisbon]
- IRCCS Istituto Ortopedico Galeazzi
- Icahn School of Medicine at Mount Sinai [New York]
- Indian Institute of Management Bangalore
- Indian Institute of Technology Delhi
- Indian Statistical Institute [Kolkata]
- Indiana University System
- Indiana University [Bloomington]
- Information Services Center [Napoli]
- Information and Communication Technology [Oslo]
- Information and Software Engineering Group [Vienna]
- Innovation & Competitiveness Unit
- Inria Sophia Antipolis - Méditerranée
- Insight Centre for Data Analytics
- Insight Centre for Data Analytics [Galway]
- Institut National Polytechnique (Toulouse)
- Institut National de Recherche en Informatique et en Automatique
- Institut National de la Santé et de la Recherche Médicale
- Institut National des Sciences Appliquées
- Institut National des Sciences Appliquées de Lyon
- Institut d'Optique Graduate School
- Institut de recherche en informatique de Toulouse
- Institut für Informatik [München|Munich]
- Institut für Medizinische Informatik, Statistik und Dokumentation [Graz]
- Institut für Softwaretechnik und Theoretische Informatik [EECS-TUB]
- Institut für technisce Systeme GmbH
- Institute for Bioinformatics and Translational Research [Tyrol]
- Institute for Human Machine Communication [München]
- Institute for Industrial Management [RWTH Aachen University]
- Institute for Information Technology [Oldenburg]
- Institute of Applied Information Processing and Communications [Graz]
- Institute of Data Analysis and Visualization
- Institute of Information Systems
- Institute of Information and Communication Technologies
- Institute of Interactive Systems and Data Science
- Institute of Systems, Information Technologies and Nanotechnologies
- Institute of Telematics
- Instituto Federal Fluminense
- Instituto Nacional de Astrofísica, Óptica y Electrónica
- Instituto Superior Técnico, Universidade Técnica de Lisboa
- Instituto Superior de Engenharia do Porto [Porto]
- Instituto de Engenharia de Sistemas e Computadores
- Instituto de Engenharia de Sistemas e Computadores Investigação e Desenvolvimento em Lisboa
- Intelligent Technologies for Advanced Knowledge Acquisition [Tarragona]
- International Burch University [Sarajevo]
- International Centre for Decision Science and Forecasting, Progress & Business Foundation
- International Institute for Applied Systems Analysis [Laxenburg]
- Islamic Azad University
- Istituto di Analisi dei Sistemi ed Informatica “Antonio Ruberti”
- Istituto di Calcolo e Reti ad Alte Prestazioni [Rende]
- Italian Army
- Italian Atlantic Committee
- Izmir Institute of Technology
- Işık University [Istanbul]