- Radio and Space Plasma Physics Group [Leicester]
- Radio Science Center for Space and Atmosphere [Kyoto]
- RENAULT
- Research and Scientific Support Department, ESTEC
- Research Centre for Astronomy and Earth Sciences [Budapest]
- Research Institute for Sustainable Humanosphere
- RFMQ
- Rheinische Friedrich-Wilhelms-Universität Bonn
- Risø National Laboratory
- Rosenstiel School of Marine and Atmospheric Science
- Royal Military College of Canada
- Royal Netherlands Meteorological Institute
- Royal Observatory of Belgium = Observatoire Royal de Belgique
- Russian Academy of Sciences [Moscow]
- Russian Federal Service for Hydrometeorology and Environmental Monitoring