| 1 (512) | Institute of Electrical and Electronics Engineers, USA | USA |  |
| 2 (831) | National Bureau of Economic Research | USA | |
| 3 (889) | RAND Corp | USA | |
| 4 (902) | International Monetary Fund | USA | |
| 5 (1060) | Carnegie Institution for Science * | USA | |
| 6 (1188) | Woods Hole Oceanographic Institution | USA | |
| 7 (1395) | Educational Testing Service | USA | |
| 8 (1526) | Bill and Melinda Gates Foundation | USA | |
| 9 (1581) | University Corporation for Atmospheric Research | USA | |
| 10 (1846) | Universities Space Research Association | USA | |
| 11 (1937) | Perimeter Institute for Theoretical Physics | CAN | |
| 12 (2059) | Institute for Advanced Study | USA | |
| 13 (2071) | Santa Fe Institute | USA | |
| 14 (2082) | Southwest Research Institute | USA | |
| 15 (2242) | Wildlife Conservation Society USA | USA | |
| 16 (2299) | SRI International | USA | |
| 17 (2385) | California Academy of Sciences | USA | |
| 18 (2492) | SETI Institute | USA | |
| 19 (2726) | UNICEF USA | USA | |
| 19 (2726) | Marine Biological Laboratory | USA | |
| 21 (3238) | Louisiana State University Agricultural Center | USA | |
| 22 (3270) | Kavli Institute for Particle Astrophysics and Cosmology | USA | |
| 22 (3270) | Battelle Memorial Institute * | USA | |
| 24 (3459) | American Institute of Aeronautics and Astronautics | USA | |
| 25 (3559) | Desert Research Institute, Reno | USA | |
| 26 (3703) | Monterey Bay Aquarium Research Institute | USA | |
| 27 (3848) | Planetary Science Institute | USA | |
| 28 (4056) | Ontario Institute for Cancer Research | CAN | |
| 29 (4147) | Electric Power Research Institute | USA | |
| 30 (4415) | Regenstrief Institute | USA | |
| 31 (4582) | Space Science Institute | USA | |
| 32 (4836) | The EARLY Program Mind Research Network | USA | |
| 33 (4950) | Donald Danforth Plant Science Center | USA | |
| 34 (5206) | Boyce Thompson Institute for Plant Research | USA | |
| 35 (6668) | National Institute of Aerospace | USA | |
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