| 1 (486) | Institute of Electrical and Electronics Engineers, USA | USA | |
| 2 (862) | National Bureau of Economic Research | USA | |
| 3 (865) | RAND Corp | USA | |
| 4 (875) | International Monetary Fund | USA | |
| 5 (1000) | Brookings Institution | USA | |
| 6 (1022) | Carnegie Institution for Science * | USA | |
| 7 (1097) | Woods Hole Oceanographic Institution | USA | |
| 8 (1354) | Educational Testing Service | USA | |
| 9 (1494) | American Association for the Advancement of Science | USA | |
| 10 (1502) | Bill and Melinda Gates Foundation | USA | |
| 11 (1872) | Universities Space Research Association | USA | |
| 12 (1883) | Perimeter Institute for Theoretical Physics | CAN | |
| 13 (1979) | Santa Fe Institute | USA | |
| 14 (2070) | Southwest Research Institute | USA | |
| 15 (2089) | Wildlife Conservation Society USA | USA | |
| 16 (2113) | Institute for Advanced Study | USA | |
| 17 (2196) | SRI International | USA | |
| 18 (2211) | California Academy of Sciences | USA | |
| 19 (2355) | SETI Institute | USA | |
| 20 (2556) | Marine Biological Laboratory | USA | |
| 21 (2843) | UNICEF USA | USA | |
| 22 (3007) | Louisiana State University Agricultural Center | USA | |
| 23 (3169) | Kavli Institute for Particle Astrophysics and Cosmology | USA | |
| 24 (3316) | Battelle Memorial Institute | USA | |
| 25 (3345) | Desert Research Institute, Reno | USA | |
| 26 (3594) | Monterey Bay Aquarium Research Institute | USA | |
| 27 (3786) | Planetary Science Institute | USA | |
| 28 (3813) | Ontario Institute for Cancer Research | CAN | |
| 29 (3897) | Electric Power Research Institute | USA | |
| 30 (4006) | Canadian Blood Services | CAN | |
| 31 (4128) | Program for Appropriate Technology in Health USA | USA | |
| 31 (4128) | Regenstrief Institute | USA | |
| 33 (4238) | Canadian Medical Association | CAN | |
| 34 (4424) | Space Science Institute | USA | |
| 35 (4706) | Donald Danforth Plant Science Center | USA | |
| 36 (4767) | The EARLY Program Mind Research Network | USA | |
| 37 (5050) | Boyce Thompson Institute for Plant Research | USA | |
| 38 (6241) | National Institute of Aerospace | USA | |
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