| 1 (172) | Electric Power Research Institute | USA |  |
| 2 (238) | Marine Biological Laboratory | USA | |
| 3 (324) | International Monetary Fund | USA | |
| 4 (444) | National Bureau of Economic Research | USA | |
| 5 (636) | California Academy of Sciences | USA | |
| 6 (690) | Woods Hole Oceanographic Institution | USA | |
| 7 (841) | RAND Corporation | USA | |
| 8 (945) | American Institute of Aeronautics and Astronautics | USA | |
| 8 (945) | Desert Research Institute, Reno | USA | |
| 10 (1462) | Louisiana State University Agricultural Center | USA | |
| 10 (1462) | SETI Institute | USA | |
| 10 (1462) | Space Science Institute | USA | |
| 10 (1462) | Universities Space Research Association | USA | |
| 10 (1462) | Wildlife Conservation Society USA | USA | |
| 15 (2005) | Bill and Melinda Gates Foundation | USA | |
| 15 (2005) | Carnegie Institution for Science | USA | |
| 15 (2005) | Monterey Bay Aquarium Research Institute | USA | |
| 15 (2005) | Planetary Science Institute | USA | |
| 15 (2005) | Santa Fe Institute | USA | |
| 15 (2005) | Southwest Research Institute | USA | |
| 15 (2005) | SRI International | USA | |
| 22 (2984) | Battelle Memorial Institute | USA | |
| 22 (2984) | Institute for Advanced Study | USA | |
| 22 (2984) | Kavli Institute for Particle Astrophysics and Cosmology | USA | |
| 22 (2984) | Regenstrief Institute | USA | |
| 22 (2984) | The EARLY Program Mind Research Network | USA | |
|
