| 1 (361) | National Bureau of Economic Research | USA |  |
| 2 (648) | Carnegie Institution for Science | USA | |
| 3 (718) | Institute for Advanced Study | USA | |
| 4 (977) | Woods Hole Oceanographic Institution | USA | |
| 5 (1109) | Kavli Institute for Particle Astrophysics and Cosmology | USA | |
| 6 (1180) | RAND Corp | USA | |
| 7 (1205) | SRI International | USA | |
| 8 (1288) | The EARLY Program Mind Research Network | USA | |
| 9 (1585) | Santa Fe Institute | USA | |
| 10 (1742) | Marine Biological Laboratory | USA | |
| 11 (1787) | Universities Space Research Association | USA | |
| 12 (1816) | Regenstrief Institute | USA | |
| 12 (1816) | SETI Institute | USA | |
| 14 (1961) | Wildlife Conservation Society USA | USA | |
| 15 (2126) | Southwest Research Institute | USA | |
| 16 (2146) | Space Science Institute | USA | |
| 17 (2197) | Bill and Melinda Gates Foundation | USA | |
| 18 (2272) | Educational Testing Service | USA | |
| 19 (2350) | International Monetary Fund | USA | |
| 20 (2385) | Monterey Bay Aquarium Research Institute | USA | |
| 21 (2590) | Desert Research Institute, Reno | USA | |
| 22 (2670) | Planetary Science Institute | USA | |
| 23 (3154) | Louisiana State University Agricultural Center | USA | |
| 24 (3504) | Electric Power Research Institute | USA | |
| 25 (3531) | Battelle Memorial Institute | USA | |
| 26 (3590) | California Academy of Sciences | USA | |
|
