| Company | Location |
|---|---|
| Reishauer AG | Wallisellen, Switzerland |
| RELIGHT SRL | Milano, Italy |
| ReliOn | Spokane, Washington, United States |
| REMEC Inc. | Del Mar, California, United States |
| Rensselaer Polytechnic Institute | Troy, New York, United States |
| Research Frontiers Inc. | Woodbury, New York, United States |
| Research in Germany - Land of Ideas | Düsseldorf, Germany |
| Research Partnership to Secure Energy for America | Sugar Land, Texas, United States |
| Research Support Instruments Inc. | Lanham, Maryland, United States |
| Resodyn Acoutic Mixers Inc. | Butte, Montana, United States |
