- I2S [Porto]
- IBM
- IBM Research Laboratory [Beijing]
- IMT - MINES ALES
- IMT École nationale supérieure des Mines d'Albi-Carmaux
- INOV [Lisbon]
- IRT SystemX
- ISTAT
- ITM University
- ITMO University [Russia]
- IbisSoft AB
- Indian Institute of Management Bangalore
- Information Engineering and Computer Science Department
- Information and Communication Technology [Oslo]
- Insly
- Institut Mines-Télécom [Paris]
- Institut National Polytechnique (Toulouse)
- Institut National des Sciences Appliquées
- Institut National des Sciences Appliquées - Centre Val de Loire
- Institut National des Sciences Appliquées - Toulouse
- Institut National des Sciences Appliquées de Lyon
- Institut Polytechnique de Bordeaux
- Institut Supérieur de l'Aéronautique et de l'Espace
- Institut de Recherche Technologique b-com
- Institut polytechnique de Grenoble - Grenoble Institute of Technology
- Institute for Information Business (Vienna University of Economics and Business Administration (Wirtschaftsuniversität Wien - WU))
- Institute of Computer Science [Rostock]
- Institute of Databases and Information Systems
- Institute of Information and Process Management
- Institute of Management Science [Wien]
- Instituto Federal Fluminense
- Instituto Nacional de Astrofísica, Óptica y Electrónica
- Instituto Superior Técnico
- 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
- Instituto de Matematica [Porto Alegre, RS]
- International Burch University [Sarajevo]
- International Centre for Decision Science and Forecasting, Progress & Business Foundation
- International Institute for Applied Systems Analysis [Laxenburg]
- Istituto Nazionale di Statistica
- Istituto di Scienze e Tecnologie della Cognizione