- IBM
- IBM Austin Research Lab [Austin]
- IBM India Research Lab.
- IBM Research - India
- IBM Research Laboratory [Zurich]
- IBM Research [Zurich]
- IBM T. J. Watson Research Centre
- IBM T.J. Watson Research Center
- IBM Thomas J. Watson Research Center
- IIIA-CSIC
- IIT-CNR
- IMEC
- IMT Alti Studi Lucca
- IMT Atlantique
- IMT Institute for Advanced Studies [Lucca]
- INRIA Lorraine
- INTEL Labs
- IT University of Copenhagen
- IVU Traffic Technologies AG
- Imperial College London
- Indenova SL
- Indian Institute of Management Bangalore
- Indian Institute of Science
- Indian Institute of Science Education and Research Bhopal
- Indian Institute of Technology Delhi
- Indiana University-Purdue University Fort Wayne
- Informal systems [Vienna]
- Information and Communication Technology [Oslo]
- Innopolis University
- Inria Bordeaux - Sud-Ouest
- Inria Grenoble - Rhône-Alpes
- Inria Lille - Nord Europe
- Inria Nancy - Grand Est
- Inria Paris-Rocquencourt
- Inria Rennes – Bretagne Atlantique
- Inria Saclay - Ile de France
- Inria Sophia Antipolis - Méditerranée
- Inria de Paris
- Inria-EPFL
- Institut Galilée
- Institut Mines-Télécom [Paris]
- Institut National Polytechnique (Toulouse)
- Institut National Polytechnique de Grenoble
- Institut National Polytechnique de Lorraine
- Institut National de Recherche en Informatique et en Automatique
- Institut National de la Recherche Agronomique
- Institut National des Sciences Appliquées
- Institut National des Sciences Appliquées - Rennes
- Institut National des Sciences Appliquées de Lyon
- Institut Polytechnique de Bordeaux
- Institut Polytechnique de Paris
- Institut d'Informatique [Neuchâtel]
- Institut de Recherche en Informatique Fondamentale
- Institut de Recherche en Informatique et Systèmes Aléatoires
- Institut de recherche en informatique de Toulouse
- Institut für Informatik
- Institut polytechnique de Grenoble - Grenoble Institute of Technology
- Institut universitaire de France
- Institute IMDEA Software [Madrid]
- Institute for Infocomm Research - I²R [Singapore]
- Institute for System Programming of the Russian Academy of Sciences [Moscow]
- Institute for Systems and Computer Engineering, Technology and Science [Braga]
- Institute for Systems and Computer Engineering, Technology and Science [Porto]
- Institute of Automation - Chinese Academy of Sciences
- Institute of Computer Science [FORTH, Heraklion]
- Institute of Computer and Network Engineering [Braunschweig]
- Institute of Distributed Systems
- Institute of Intelligent Software [Guangzhou]
- Institute of Parallel and Distributed Systems [Stuttgart]
- Institute of Science and Technology [Klosterneuburg, Austria]
- Institute of Software Chinese Academy of Sciences [Beijing]
- Instituto Superior Técnico
- Instituto Superior de Engenharia de Lisboa
- Instituto de Engenharia de Sistemas e Computadores
- Instituto de Engenharia de Sistemas e Computadores Investigação e Desenvolvimento em Lisboa
- Instituto de Engenharia de Sistemas e Computadores, Investigação e Desenvolvimento em Lisboa
- Instituto de Investigación en Ciencias de la Computación [Buenos Aires]
- Intel
- Ionian University [Corfu]
- Istituto di Informatica e Telematica
- italianaSoftware srl.