- R. Tech
- RENAULT
- Rafael Advanced Defense Systems Ltd.
- Renault, Technocentre, Guyancourt
- Rensselaer Polytechnic Institute
- Research Center For Eco-environmental of Sciences
- Research Center for Eco-Environmental Sciences
- Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences
- Research Institute for the Changing Global Environment and Fudan Tyndall Centre
- Research Institute of Petroleum processing
- Research Institute on Combustion and Atmospheric Pollution
- Research and Innovation Center, Ford (Ford Motor Company)
- Rheinisch-Westfälische Technische Hochschule Aachen University
- Royal Netherlands Meteorological Institute
- Ruhr University Bochum = Ruhr-Universität Bochum
- Russian Academy of Sciences [Moscow]