| 1 (72) | United States Department of Agriculture | USA |  |
| 2 (114) | National Aeronautics and Space Administration * | USA | |
| 3 (131) | Lawrence Berkeley National Laboratory | USA | |
| 4 (132) | Genomics Institute of the Novartis Research Foundation | USA | |
| 5 (238) | U.S. Army | USA | |
| 6 (263) | National Institute of Standards and Technology * | USA | |
| 7 (285) | National Center for Biotechnology Information | USA | |
| 8 (289) | Los Alamos National Laboratory | USA | |
| 9 (308) | Institute of Human Virology | USA | |
| 10 (319) | US Naval Research Laboratory | USA | |
| 11 (340) | Sandia National Laboratories, New Mexico | USA | |
| 12 (358) | Oak Ridge National Laboratory | USA | |
| 13 (382) | U.S. Food and Drug Administration | USA | |
| 14 (432) | Lawrence Livermore National Laboratory | USA | |
| 15 (438) | Argonne National Laboratory | USA | |
| 16 (440) | National Renewable Energy Laboratory | USA | |
| 17 (441) | University of Maryland Biotechnology Institute | USA | |
| 18 (466) | Armed Forces Institute of Pathology | USA | |
| 19 (495) | Pacific Northwest National Laboratory | USA | |
| 20 (545) | U.S. Air Force | USA | |
| 21 (555) | Jet Propulsion Laboratory | USA | |
| 22 (741) | Brookhaven National Laboratory | USA | |
| 23 (770) | NASA Goddard Space Flight Center | USA | |
| 24 (773) | United States Geological Survey | USA | |
| 25 (832) | National Energy Technology Laboratory | USA | |
| 26 (935) | Ames Laboratory | USA | |
| 27 (985) | NASA Ames Research Center | USA | |
| 27 (985) | Smithsonian Institution | USA | |
| 29 (987) | National Oceanic and Atmospheric Administration | USA | |
| 30 (1075) | National Center for Atmospheric Research | USA | |
| 31 (1101) | US Environmental Protection Agency | USA | |
| 32 (1167) | World Bank United States | USA | |
| 33 (1204) | U.S. Department of Energy | USA | |
| 34 (1392) | National High Magnetic Field Laboratory | USA | |
| 35 (1400) | Space Telescope Science Institute | USA | |
| 36 (1451) | University of Maryland, Center for Environmental Science | USA | |
| 37 (1546) | American Museum of Natural History | USA | |
| 38 (1621) | NASA Langley Research Center | USA | |
| 39 (1689) | Spitzer Science Center | USA | |
| 40 (1716) | Princeton Plasma Physics Laboratory | USA | |
| 41 (1719) | National Optical Astronomy Observatory | USA | |
| 42 (1813) | SLAC National Accelerator Laboratory | USA | |
| 43 (1822) | Joint Institute for Laboratory Astrophysics | USA | |
| 44 (2028) | Thomas Jefferson National Accelerator Facility | USA | |
| 45 (2043) | US National Science Foundation | USA | |
| 46 (2114) | Glenn Research Center | USA | |
| 47 (2257) | Nemours A Children's Health System | USA | |
| 48 (2306) | National Radio Astronomy Observatory, Charlottesville | USA | |
| 49 (2378) | Field Museum Natural History | USA | |
| 50 (2461) | Fermi National Accelerator Laboratory | USA | |
| 51 (2497) | NASA Stennis Space Center | USA | |
| 52 (2503) | NASA Johnson Space Center | USA | |
| 53 (2681) | Idaho National Laboratory | USA | |
| 54 (2902) | Naval Air Systems Command | USA | |
| 55 (3306) | United States Fish and Wildlife Service | USA | |
| 56 (3331) | NASA Marshall Space Flight Center | USA | |
| 57 (3338) | National Radio Astronomy Observatory, Socorro | USA | |
| 58 (3412) | NASA Kennedy Space Center | USA | |
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