| 1 (83) | Santa Fe Institute | USA |  |
| 2 (86) | National Bureau of Economic Research | USA | |
| 3 (252) | American Society of Heating, Refrigerating, and Air-Conditioning Engineers | USA | |
| 4 (376) | RAND Corporation | USA | |
| 5 (405) | Institute for Advanced Study | USA | |
| 6 (416) | Carnegie Institution for Science | USA | |
| 7 (516) | Woods Hole Oceanographic Institution | USA | |
| 8 (551) | The Electrochemical Society, USA | USA | |
| 9 (609) | American Institute of Aeronautics and Astronautics | USA | |
| 10 (613) | Kavli Institute for Particle Astrophysics and Cosmology | USA | |
| 11 (719) | Wildlife Conservation Society USA | USA | |
| 12 (746) | SRI International | USA | |
| 13 (984) | Marine Biological Laboratory | USA | |
| 14 (1074) | Brookings Institution | USA | |
| 15 (1114) | American Ceramic Society | USA | |
| 16 (1349) | Universities Space Research Association | USA | |
| 17 (1434) | Monterey Bay Aquarium Research Institute | USA | |
| 18 (1519) | Desert Research Institute, Reno | USA | |
| 19 (1884) | International Monetary Fund | USA | |
| 20 (2122) | Southwest Research Institute | USA | |
| 21 (2210) | Electric Power Research Institute | USA | |
| 22 (2422) | Battelle Memorial Institute | USA | |
| 23 (2676) | Louisiana State University Agricultural Center | USA | |
| 24 (2876) | American Society of Mechanical Engineers | USA | |
| 25 (3250) | American Chemical Society | USA | |
| 26 (3572) | American Society of Civil Engineers | USA | |
| 27 (3949) | Society of Petroleum Engineers | USA | |
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