| 1 (102) | United States Department of Agriculture | USA |  |
| 2 (198) | Lawrence Berkeley National Laboratory | USA | |
| 3 (269) | U.S. Army | USA | |
| 4 (471) | National Renewable Energy Laboratory | USA | |
| 5 (549) | U.S. Food and Drug Administration | USA | |
| 6 (601) | National Center for Biotechnology Information | USA | |
| 7 (604) | Lawrence Livermore National Laboratory | USA | |
| 8 (619) | Oak Ridge National Laboratory | USA | |
| 9 (803) | National Institute of Standards and Technology * | USA | |
| 10 (854) | Pacific Northwest National Laboratory | USA | |
| 11 (901) | Sandia National Laboratories, New Mexico | USA | |
| 12 (902) | Argonne National Laboratory | USA | |
| 13 (983) | Los Alamos National Laboratory | USA | |
| 14 (1158) | US Naval Research Laboratory | USA | |
| 15 (1332) | U.S. Air Force | USA | |
| 16 (1394) | US Environmental Protection Agency | USA | |
| 17 (1416) | Idaho National Laboratory | USA | |
| 18 (1489) | Brookhaven National Laboratory | USA | |
| 19 (1539) | National Aeronautics and Space Administration * | USA | |
| 20 (1552) | Nemours A Children's Health System | USA | |
| 21 (1616) | Doe Joint Genome Institute | USA | |
| 22 (1641) | National High Magnetic Field Laboratory | USA | |
| 23 (1981) | Jet Propulsion Laboratory | USA | |
| 24 (2012) | National Energy Technology Laboratory | USA | |
| 25 (2260) | U.S. Department of Energy | USA | |
| 26 (2504) | Oak Ridge Institute for Science and Education | USA | |
| 27 (2554) | University of Maryland, Center for Environmental Science | USA | |
| 28 (2597) | Thomas Jefferson National Accelerator Facility | USA | |
| 29 (3022) | National Oceanic and Atmospheric Administration | USA | |
| 30 (3052) | Ames Laboratory | USA | |
| 31 (3167) | SLAC National Accelerator Laboratory | USA | |
| 32 (3317) | Fermi National Accelerator Laboratory | USA | |
| 33 (3370) | NASA Johnson Space Center | USA | |
| 34 (3396) | Savannah River National Laboratory | USA | |
| 34 (3396) | US National Science Foundation | USA | |
| 36 (3549) | Glenn Research Center | USA | |
| 37 (3631) | NASA Goddard Space Flight Center | USA | |
| 38 (3634) | Joint Institute for Laboratory Astrophysics | USA | |
| 39 (3694) | United States Geological Survey | USA | |
| 40 (3803) | NASA Ames Research Center | USA | |
| 41 (3812) | American Museum of Natural History | USA | |
| 42 (3902) | Smithsonian Institution | USA | |
| 43 (3931) | NASA Langley Research Center | USA | |
| 43 (3931) | National Center for Atmospheric Research | USA | |
| 45 (3964) | Federal Reserve System | USA | |
| 45 (3964) | Field Museum Natural History | USA | |
| 45 (3964) | Infrared Processing and Analysis Center | USA | |
| 45 (3964) | Joint Quantum Institute | USA | |
| 45 (3964) | Missouri Botanical Garden | USA | |
| 45 (3964) | NASA Goddard Institute for Space Studies | USA | |
| 45 (3964) | NASA Marshall Space Flight Center | USA | |
| 45 (3964) | NASA Stennis Space Center | USA | |
| 45 (3964) | National Optical Astronomy Observatory | USA | |
| 45 (3964) | National Radio Astronomy Observatory, Charlottesville | USA | |
| 45 (3964) | Nuclear Regulatory Commission | USA | |
| 45 (3964) | Princeton Plasma Physics Laboratory | USA | |
| 45 (3964) | Space Telescope Science Institute | USA | |
| 45 (3964) | United States Fish and Wildlife Service | USA | |
| 45 (3964) | World Bank United States | USA | |
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