| 1 (199) | Institute of Electrical and Electronics Engineers, USA | USA |  |
| 2 (384) | National Bureau of Economic Research | USA | |
| 3 (472) | Ontario Institute for Cancer Research | CAN | |
| 4 (474) | Institute for Advanced Study | USA | |
| 5 (571) | Boyce Thompson Institute for Plant Research | USA | |
| 6 (586) | Kavli Institute for Particle Astrophysics and Cosmology | USA | |
| 7 (601) | Perimeter Institute for Theoretical Physics | CAN | |
| 8 (614) | Donald Danforth Plant Science Center | USA | |
| 9 (685) | Carnegie Institution for Science * | USA | |
| 10 (702) | UNICEF USA | USA | |
| 11 (728) | The EARLY Program Mind Research Network | USA | |
| 12 (798) | Marine Biological Laboratory | USA | |
| 13 (894) | Program for Appropriate Technology in Health USA | USA | |
| 14 (928) | Bill and Melinda Gates Foundation | USA | |
| 15 (939) | Santa Fe Institute | USA | |
| 16 (982) | Woods Hole Oceanographic Institution | USA | |
| 17 (1127) | Canadian Medical Association | CAN | |
| 18 (1133) | RAND Corp | USA | |
| 19 (1427) | SRI International | USA | |
| 20 (1435) | Universities Space Research Association | USA | |
| 21 (1513) | Regenstrief Institute | USA | |
| 22 (1600) | SETI Institute | USA | |
| 23 (1610) | Space Science Institute | USA | |
| 24 (1885) | Wildlife Conservation Society USA | USA | |
| 25 (1995) | Monterey Bay Aquarium Research Institute | USA | |
| 26 (2251) | California Academy of Sciences | USA | |
| 27 (2809) | Battelle Memorial Institute | USA | |
| 28 (2900) | Desert Research Institute, Reno | USA | |
| 29 (3150) | Planetary Science Institute | USA | |
| 30 (3344) | National Institute of Aerospace | USA | |
| 30 (3344) | Canadian Blood Services | CAN | |
| 32 (3501) | Southwest Research Institute | USA | |
| 33 (4169) | International Monetary Fund | USA | |
| 34 (4387) | Louisiana State University Agricultural Center | USA | |
| 35 (4611) | Brookings Institution | USA | |
| 36 (5586) | Electric Power Research Institute | USA | |
| 37 (5652) | Educational Testing Service | USA | |
| 38 (6326) | American Association for the Advancement of Science | USA | |
|
