- ACCESS
- AGH University of Science and Technology [Krakow, PL]
- AI Investments [Skierniewice]
- ASML Netherlands B.V.
- ASML [VELDHOVEN]
- ATOS Origin
- ATOS [madrid]
- Aalborg University [Denmark]
- Aalto University
- Aarhus University [Aarhus]
- Abteilung Telematik
- Academic Center for Computing and Media Studies
- ActiveEon
- Aix Marseille Université
- Albert-Ludwigs-Universität Freiburg
- Alexandru Ioan Cuza University of Iași = Universitatea Alexandru Ioan Cuza din Iași
- Alma Mater Studiorum Università di Bologna = University of Bologna
- American International University-Bangladesh
- Applied Biomathematics [New York]
- Aptiv [Göteborg]
- Aragón Institute of Engineering Research [Zaragoza]
- Argonne National Laboratory [Lemont]
- Aristotle University of Thessaloniki
- Arizona State University [Tempe]
- Assistance à la Certification d’Applications DIstribuées et Embarquées
- Athabasca University
- Atos Spain
- Auburn University
- Australian National University
- Åbo Akademi University [Turku]