- RIKEN - Institute of Physical and Chemical Research [Japon]
- RIKEN Center for Advanced Intelligence Project [Tokyo]
- RIKEN Center for Brain Science [Wako]
- RISC Software GmbH
- Radiotelevisione Italiana
- Recherche Opérationnelle
- RedZinc Services Ltd.[Dublin]
- Reed College
- Research Institute for Cognition and Robotics
- Research Programs Section, Hellenic Telecommunication Organization S.A. (OTE)
- Rhythm-Based Brain Information Processing Unit [Wako]