| 1 (229) | Santa Fe Institute | USA |  |
| 2 (280) | National Bureau of Economic Research | USA | |
| 3 (628) | The Electrochemical Society, USA | USA | |
| 4 (635) | American Society of Heating, Refrigerating, and Air-Conditioning Engineers | USA | |
| 5 (707) | SRI International | USA | |
| 6 (714) | Carnegie Institution for Science | USA | |
| 7 (794) | Institute for Advanced Study | USA | |
| 8 (851) | RAND Corporation | USA | |
| 9 (891) | Woods Hole Oceanographic Institution | USA | |
| 10 (921) | American Institute of Aeronautics and Astronautics | USA | |
| 11 (1252) | American Ceramic Society | USA | |
| 12 (1270) | Kavli Institute for Particle Astrophysics and Cosmology | USA | |
| 13 (1300) | Marine Biological Laboratory | USA | |
| 14 (1371) | Wildlife Conservation Society USA | USA | |
| 15 (1836) | Brookings Institution | USA | |
| 16 (1869) | Monterey Bay Aquarium Research Institute | USA | |
| 17 (1893) | Universities Space Research Association | USA | |
| 18 (2052) | Desert Research Institute, Reno | USA | |
| 19 (2181) | Battelle Memorial Institute | USA | |
| 20 (2301) | Louisiana State University Agricultural Center | USA | |
| 21 (2348) | Southwest Research Institute | USA | |
| 22 (2361) | Electric Power Research Institute | USA | |
| 23 (2580) | International Monetary Fund | USA | |
| 24 (3045) | American Society of Mechanical Engineers | USA | |
| 25 (3307) | American Chemical Society | USA | |
| 26 (3430) | Society of Petroleum Engineers | USA | |
| 27 (3687) | American Society of Civil Engineers | USA | |
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