| 1 (125) | National Center for Biotechnology Information | USA |  |
| 2 (138) | National Aeronautics and Space Administration * | USA | |
| 3 (152) | United States Department of Agriculture | USA | |
| 4 (164) | Lawrence Berkeley National Laboratory * | USA | |
| 5 (211) | Doe Joint Genome Institute | USA | |
| 6 (359) | SLAC National Accelerator Laboratory | USA | |
| 7 (439) | Argonne National Laboratory | USA | |
| 8 (456) | Oak Ridge National Laboratory | USA | |
| 9 (498) | Smithsonian Institution * | USA | |
| 10 (556) | National Oceanic and Atmospheric Administration | USA | |
| 11 (583) | Harvard-Smithsonian Center for Astrophysics | USA | |
| 12 (599) | Los Alamos National Laboratory | USA | |
| 13 (600) | United States Geological Survey | USA | |
| 14 (688) | NASA Goddard Space Flight Center | USA | |
| 15 (712) | National Institute of Standards and Technology * | USA | |
| 16 (718) | U.S. Army | USA | |
| 17 (735) | National Center for Atmospheric Research | USA | |
| 18 (793) | Lawrence Livermore National Laboratory * | USA | |
| 19 (797) | Joint BioEnergy Institute | USA | |
| 20 (803) | NASA Goddard Institute for Space Studies | USA | |
| 21 (825) | Pacific Northwest National Laboratory | USA | |
| 22 (833) | Jet Propulsion Laboratory | USA | |
| 23 (838) | U.S. Food and Drug Administration * | USA | |
| 24 (884) | Infrared Processing and Analysis Center | USA | |
| 25 (905) | Space Telescope Science Institute | USA | |
| 26 (946) | Brookhaven National Laboratory | USA | |
| 27 (1218) | National Renewable Energy Laboratory | USA | |
| 28 (1284) | American Museum of Natural History | USA | |
| 29 (1309) | Center for Drug Evaluation & Research | USA | |
| 30 (1335) | National Radio Astronomy Observatory, Socorro | USA | |
| 31 (1348) | Westat Corp | USA | |
| 31 (1348) | NASA Ames Research Center | USA | |
| 33 (1437) | Smithsonian National Museum of Natural History | USA | |
| 34 (1485) | US Environmental Protection Agency | USA | |
| 35 (1519) | National Center for Toxicological Research | USA | |
| 36 (1564) | International Food Policy Research Institute | USA | |
| 37 (1566) | Fermi National Accelerator Laboratory | USA | |
| 38 (1582) | Sandia National Laboratories, New Mexico * | USA | |
| 39 (1734) | U.S. Air Force | USA | |
| 40 (1799) | Joint Quantum Institute | USA | |
| 41 (1829) | National Radio Astronomy Observatory, Charlottesville | USA | |
| 42 (1851) | Field Museum Natural History | USA | |
| 43 (1916) | Center for Biologics Evaluation and Research | USA | |
| 44 (2031) | Smithsonian Environmental Research Center | USA | |
| 45 (2127) | Sandia National Laboratories, California | USA | |
| 46 (2183) | US Naval Research Laboratory | USA | |
| 47 (2258) | University of Maryland, Center for Environmental Science | USA | |
| 48 (2270) | National Optical Astronomy Observatory | USA | |
| 49 (2316) | Federal Reserve System | USA | |
| 49 (2316) | Joint Institute for Laboratory Astrophysics | USA | |
| 51 (2366) | NASA Langley Research Center | USA | |
| 52 (2383) | National High Magnetic Field Laboratory | USA | |
| 53 (2451) | Mathematica Policy Research | USA | |
| 54 (2508) | Oak Ridge Institute for Science and Education | USA | |
| 55 (2551) | World Bank United States | USA | |
| 56 (2691) | Inter-American Development Bank | USA | |
| 56 (2691) | U.S. Department of Energy | USA | |
| 58 (2809) | Ames Laboratory | USA | |
| 59 (2815) | US National Science Foundation | USA | |
| 60 (3018) | Nemours A Children's Health System | USA | |
| 61 (3194) | Missouri Botanical Garden | USA | |
| 62 (3220) | Center for Food Safety and Applied Nutrition | USA | |
| 63 (3415) | NASA Johnson Space Center | USA | |
| 64 (3433) | Princeton Plasma Physics Laboratory | USA | |
| 65 (3716) | Thomas Jefferson National Accelerator Facility | USA | |
| 66 (4193) | Center for Devices and Radiological Health | USA | |
| 67 (4234) | National Energy Technology Laboratory | USA | |
| 68 (4627) | United States Fish and Wildlife Service | USA | |
| 69 (4855) | NASA Marshall Space Flight Center | USA | |
| 70 (4918) | NASA Stennis Space Center | USA | |
| 71 (5108) | Idaho National Laboratory | USA | |
| 72 (5188) | Glenn Research Center | USA | |
| 73 (5727) | Research Institute for Fragrance Materials | USA | |
| 74 (6127) | Savannah River National Laboratory | USA | |
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