| 1 (36) | National Center for Biotechnology Information | USA |  |  |
| 2 (66) | United States Department of Agriculture | USA | | |
| 3 (108) | National Aeronautics and Space Administration * | USA | | |
| 4 (131) | National Oceanic and Atmospheric Administration | USA | | |
| 5 (151) | United States Geological Survey | USA | | |
| 6 (227) | Jet Propulsion Laboratory | USA | | |
| 7 (228) | US Food and Drug Administration | USA | | |
| 8 (252) | Smithsonian Institution * | USA | | |
| 9 (301) | US Environmental Protection Agency | USA | | |
| 10 (304) | Harvard-Smithsonian Center for Astrophysics | USA | | |
| 11 (323) | NASA Goddard Institute for Space Studies | USA | | |
| 12 (401) | Smithsonian National Museum of Natural History | USA | | |
| 13 (418) | SLAC National Accelerator Laboratory | USA | | |
| 14 (419) | U.S. Department of Energy * | USA | | |
| 15 (438) | Smithsonian Conservation Biology Institute | USA | | |
| 16 (442) | Smithsonian Environmental Research Center | USA | | |
| 17 (513) | National Institute of Standards and Technology * | USA | | |
| 18 (692) | American Museum of Natural History | USA | | |
| 19 (708) | National Center for Atmospheric Research | USA | | |
| 20 (722) | United States Fish and Wildlife Service | USA | | |
| 21 (742) | Federal Reserve System | USA | | |
| 22 (770) | National Renewable Energy Laboratory | USA | | |
| 23 (772) | Lawrence Berkeley National Laboratory * | USA | | |
| 24 (811) | Joint Institute for Laboratory Astrophysics | USA | | |
| 25 (874) | HealthPartners Research Foundation | USA | |  |
| 26 (906) | Infrared Processing and Analysis Center | USA | | |
| 27 (908) | Joint Quantum Institute | USA | | |
| 28 (1032) | U.S. Air Force | USA | | |
| 29 (1315) | US National Science Foundation * | USA | | |
| 30 (1386) | Pacific Northwest National Laboratory * | USA | | |
| 31 (1414) | Oak Ridge National Laboratory | USA | | |
| 32 (1435) | Missouri Botanical Garden | USA | | |
| 33 (1531) | Los Alamos National Laboratory * | USA | | |
| 34 (1586) | Argonne National Laboratory * | USA | | |
| 35 (1728) | Center for Food Safety and Applied Nutrition | USA | | |
| 36 (1900) | Lawrence Livermore National Laboratory * | USA | | |
| 37 (2155) | Oak Ridge Institute for Science and Education | USA | | |
| 38 (2442) | Doe Joint Genome Institute | USA | | |
| 39 (2476) | Sandia National Laboratories, New Mexico | USA | | |
| 40 (2525) | Field Museum Natural History | USA | | |
| 41 (2566) | National Energy Technology Laboratory | USA | | |
| 42 (2612) | New York Botanical Garden | USA | |  |
| 43 (2620) | Natural History Museum of los Angeles County | USA | | |
| 44 (2700) | Savannah River National Laboratory | USA | | |
| 45 (2727) | Molecular Foundry | USA | | |
| 46 (2847) | Nemours Children's Health System | USA | | |
| 47 (2880) | Center for Integrated Nanotechnologies | USA | | |
| 48 (3035) | Brookhaven National Laboratory * | USA | | |
| 49 (3285) | American Institutes for Research | USA | | |
| 50 (3373) | Environmental Molecular Sciences Laboratory | USA | | |
| 51 (3529) | Thomas Jefferson National Accelerator Facility | USA | | |
| 52 (3703) | US Naval Research Laboratory | USA | | |
| 53 (3750) | Fermi National Accelerator Laboratory | USA | | |
| 54 (3769) | National High Magnetic Field Laboratory | USA | | |
| 55 (3959) | Idaho National Laboratory | USA | | |
| 56 (4501) | National Radio Astronomy Observatory Charlottesville | USA | | |
| 57 (4551) | National Radio Astronomy Observatory, Socorro | USA | | |
| 58 (4654) | Space Telescope Science Institute | USA | | |
| 59 (4834) | NASA Goddard Space Flight Center | USA | | |
| 60 (4984) | University of Maryland, Center for Environmental Science | USA | | |
| 61 (5563) | Westat Corp | USA | | |
| 62 (5594) | Princeton Plasma Physics Laboratory | USA | | |
| 63 (6271) | Ames Laboratory | USA | | |
| 64 (6585) | Center for Drug Evaluation & Research | USA | | |
| 65 (6680) | NASA Ames Research Center | USA | | |
| 66 (6839) | United States Agency for International Development United States | USA | | |
| 67 (6901) | NASA Langley Research Center | USA | | |
| 67 (6901) | Center for Biologics Evaluation and Research | USA | | |
| 69 (7153) | National Center for Toxicological Research | USA | | |
| 70 (7161) | NASA Marshall Space Flight Center | USA | | |
| 71 (7168) | Sandia National Laboratories, California | USA | | |
| 72 (7190) | NASA Johnson Space Center | USA | | |
| 73 (7230) | Center for Devices and Radiological Health | USA | | |
| 74 (7328) | Glenn Research Center | USA | | |
| 75 (7378) | National Research Council of the National Academies | USA | | |
| 76 (7424) | Center for Nanoscale Materials | USA | | |
| 77 (7452) | NASA Stennis Space Center | USA | | |
| 78 (7706) | U.S. Army * | USA | | |
| 79 (7818) | Joint BioEnergy Institute | USA | | |
| 80 (8071) | Steadman Philippon Research Institute | USA | | |
| 81 (8178) | Research Institute for Fragrance Materials | USA | |  |
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