| 1 (130) | Electric Power Research Institute | USA |  |
| 2 (403) | International Monetary Fund | USA | |
| 3 (454) | National Bureau of Economic Research | USA | |
| 4 (643) | California Academy of Sciences | USA | |
| 4 (643) | Woods Hole Oceanographic Institution | USA | |
| 6 (886) | American Institute of Aeronautics and Astronautics | USA | |
| 6 (886) | Desert Research Institute, Reno | USA | |
| 6 (886) | RAND Corporation | USA | |
| 9 (1066) | Marine Biological Laboratory | USA | |
| 10 (1361) | SETI Institute | USA | |
| 10 (1361) | Universities Space Research Association | USA | |
| 10 (1361) | Wildlife Conservation Society USA | USA | |
| 13 (1892) | Bill and Melinda Gates Foundation | USA | |
| 13 (1892) | Carnegie Institution for Science | USA | |
| 13 (1892) | Louisiana State University Agricultural Center | USA | |
| 13 (1892) | Monterey Bay Aquarium Research Institute | USA | |
| 13 (1892) | Planetary Science Institute | USA | |
| 13 (1892) | Santa Fe Institute | USA | |
| 13 (1892) | Southwest Research Institute | USA | |
| 13 (1892) | SRI International | USA | |
| 21 (2905) | Battelle Memorial Institute | USA | |
| 21 (2905) | Cary Institute of Ecosystem Studies | USA | |
| 21 (2905) | Institute for Advanced Study | USA | |
| 21 (2905) | Kavli Institute for Particle Astrophysics and Cosmology | USA | |
| 21 (2905) | Regenstrief Institute | USA | |
| 21 (2905) | Space Science Institute | USA | |
| 21 (2905) | The EARLY Program Mind Research Network | USA | |
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