| 1 (73) | United States Department of Agriculture | USA |  |
| 2 (128) | National Aeronautics and Space Administration * | USA | |
| 3 (133) | Lawrence Berkeley National Laboratory | USA | |
| 4 (201) | Doe Joint Genome Institute | USA | |
| 5 (246) | U.S. Army | USA | |
| 6 (283) | National Institute of Standards and Technology * | USA | |
| 7 (292) | National Center for Biotechnology Information | USA | |
| 8 (312) | Los Alamos National Laboratory | USA | |
| 9 (364) | US Naval Research Laboratory | USA | |
| 10 (377) | Oak Ridge National Laboratory | USA | |
| 11 (384) | Sandia National Laboratories, New Mexico | USA | |
| 12 (391) | National Renewable Energy Laboratory | USA | |
| 13 (397) | U.S. Food and Drug Administration | USA | |
| 14 (425) | Lawrence Livermore National Laboratory | USA | |
| 15 (437) | Argonne National Laboratory | USA | |
| 16 (496) | Pacific Northwest National Laboratory | USA | |
| 17 (514) | University of Maryland Biotechnology Institute | USA | |
| 18 (532) | Armed Forces Institute of Pathology | USA | |
| 19 (577) | U.S. Air Force | USA | |
| 20 (633) | Jet Propulsion Laboratory | USA | |
| 21 (772) | Brookhaven National Laboratory | USA | |
| 22 (825) | United States Geological Survey | USA | |
| 23 (836) | NASA Goddard Space Flight Center | USA | |
| 24 (943) | Ames Laboratory | USA | |
| 25 (977) | National Oceanic and Atmospheric Administration | USA | |
| 26 (1002) | National Center for Atmospheric Research | USA | |
| 27 (1007) | National Energy Technology Laboratory | USA | |
| 28 (1101) | Smithsonian Institution | USA | |
| 29 (1138) | NASA Ames Research Center | USA | |
| 30 (1151) | US Environmental Protection Agency | USA | |
| 31 (1281) | University of Maryland, Center for Environmental Science | USA | |
| 32 (1317) | World Bank United States | USA | |
| 33 (1319) | U.S. Department of Energy | USA | |
| 34 (1436) | Space Telescope Science Institute | USA | |
| 35 (1471) | National High Magnetic Field Laboratory | USA | |
| 36 (1560) | Princeton Plasma Physics Laboratory | USA | |
| 37 (1577) | NASA Langley Research Center | USA | |
| 38 (1644) | American Museum of Natural History | USA | |
| 39 (1835) | National Optical Astronomy Observatory | USA | |
| 39 (1835) | Spitzer Science Center | USA | |
| 41 (1858) | SLAC National Accelerator Laboratory | USA | |
| 42 (1898) | Joint Quantum Institute | USA | |
| 43 (2142) | Joint Institute for Laboratory Astrophysics | USA | |
| 44 (2153) | US National Science Foundation | USA | |
| 45 (2164) | Glenn Research Center | USA | |
| 46 (2180) | Thomas Jefferson National Accelerator Facility | USA | |
| 47 (2206) | NASA Stennis Space Center | USA | |
| 48 (2263) | Nemours A Children's Health System | USA | |
| 49 (2343) | Field Museum Natural History | USA | |
| 50 (2401) | Fermi National Accelerator Laboratory | USA | |
| 51 (2519) | NASA Johnson Space Center | USA | |
| 52 (2541) | Subaru Telescope | USA | |
| 53 (2617) | National Radio Astronomy Observatory, Charlottesville | USA | |
| 54 (2768) | Idaho National Laboratory | USA | |
| 55 (2772) | Naval Air Systems Command | USA | |
| 56 (3432) | NASA Kennedy Space Center | USA | |
| 57 (3526) | National Radio Astronomy Observatory, Socorro | USA | |
| 58 (3565) | NASA Marshall Space Flight Center | USA | |
| 59 (3653) | United States Fish and Wildlife Service | USA | |
| 60 (3843) | Savannah River National Laboratory | USA | |
| 61 (3862) | Missouri Botanical Garden | USA | |
| 62 (4226) | Nuclear Regulatory Commission | USA | |
| 63 (4240) | Research Institute for Fragrance Materials | USA | |
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