- A.P. Ershov Institute of Informatics Systems [Novosibirsk]
- ADAPT Centre
- Aalborg University [Denmark]
- Aalto University
- Aalto University School of Science and Technology [Aalto, Finland]
- Abertay University
- Academy for Information Technology [University of Johannesburg]
- Addis Ababa University
- Advanced Signal Processing Group
- Africa Women Filmmakers Trust [Harare]
- Agenzia Nazionale per le nuove Tecnologie, l’energia e lo sviluppo economico sostenibile = Italian National Agency for New Technologies, Energy and Sustainable Economic Development
- Albert-Ludwigs-Universität Freiburg = University of Freiburg
- Alexandra Institute [Aarhus]
- Alexandria University [Alexandrie]
- Alfatroll AS [Norway]
- Algorithms and Software Architectures for Distributed and HPC Platforms
- Alkit Communications AB
- Alliance Manchester Business School
- Alma Mater Studiorum Università di Bologna = University of Bologna
- AmbientEase
- American University Washington D.C.
- American University of Nigeria
- Anna University
- Apostolic Church [Bikita]
- Arab Academy for Science, Technology and Maritime Transport [Alexandria]
- Architecture, Cloud continuum, formal Models, artificial intElligence and Services in distributed computing
- Archive Centre of the French Community of Wallonia-Brussels and Temporary Exhibition Space [Mons]
- Archives Henri-Poincaré - Philosophie et Recherches sur les Sciences et les Technologies
- Arcticus Systems AB
- Arizona State University [Tempe]
- Associazione Italiana per l’Informatica ed il Calcolo Automatico
- Athens Technology Center S.A. [Athènes]
- Atma Jaya Yogyakarta University
- Atomic Energy Research Establishment
- Atos Consulting [Utrecht]
- Auckland University of Technology
- Australian Computer Museum Society
- Australian National University
- Austrian Academy of Sciences
- Austrian Institute of Technology [Vienna]
- Auteur indépendant
- Averett University
- Åbo Akademi University [Turku]