| 1 (73) | United States Department of Agriculture | USA |  |
| 2 (77) | National Aeronautics and Space Administration * | USA | |
| 3 (117) | Lawrence Berkeley National Laboratory | USA | |
| 4 (213) | Los Alamos National Laboratory | USA | |
| 5 (215) | National Center for Biotechnology Information | USA | |
| 6 (231) | National Institute of Standards and Technology * | USA | |
| 7 (329) | Oak Ridge National Laboratory | USA | |
| 8 (333) | Argonne National Laboratory | USA | |
| 9 (338) | Armed Forces Institute of Pathology | USA | |
| 10 (343) | Lawrence Livermore National Laboratory | USA | |
| 11 (344) | Genomics Institute of the Novartis Research Foundation | USA | |
| 12 (373) | United States Geological Survey | USA | |
| 13 (385) | Sandia National Laboratories, New Mexico | USA | |
| 14 (397) | NASA Goddard Space Flight Center | USA | |
| 15 (408) | U.S. Army | USA | |
| 16 (412) | National Renewable Energy Laboratory | USA | |
| 17 (418) | US Naval Research Laboratory | USA | |
| 18 (460) | Smithsonian Institution | USA | |
| 19 (473) | Jet Propulsion Laboratory | USA | |
| 20 (523) | National Oceanic and Atmospheric Administration | USA | |
| 21 (548) | Pacific Northwest National Laboratory | USA | |
| 22 (549) | World Bank United States | USA | |
| 23 (570) | National Center for Atmospheric Research | USA | |
| 24 (615) | National Energy Technology Laboratory | USA | |
| 25 (632) | U.S. Air Force | USA | |
| 26 (666) | Brookhaven National Laboratory | USA | |
| 27 (727) | Space Telescope Science Institute | USA | |
| 28 (795) | US Environmental Protection Agency | USA | |
| 29 (798) | Ames Laboratory | USA | |
| 30 (820) | U.S. Food and Drug Administration | USA | |
| 31 (863) | American Museum of Natural History | USA | |
| 32 (866) | University of Maryland, Center for Environmental Science | USA | |
| 33 (888) | NASA Ames Research Center | USA | |
| 34 (906) | Institute of Human Virology | USA | |
| 35 (939) | University of Maryland Biotechnology Institute | USA | |
| 36 (960) | Spitzer Science Center | USA | |
| 37 (1003) | National High Magnetic Field Laboratory | USA | |
| 38 (1023) | National Optical Astronomy Observatory | USA | |
| 39 (1067) | Princeton Plasma Physics Laboratory | USA | |
| 40 (1233) | U.S. Department of Energy | USA | |
| 41 (1451) | Joint Institute for Laboratory Astrophysics | USA | |
| 42 (1491) | NASA Langley Research Center | USA | |
| 43 (1537) | SLAC National Accelerator Laboratory | USA | |
| 44 (1647) | Field Museum Natural History | USA | |
| 45 (1691) | Thomas Jefferson National Accelerator Facility | USA | |
| 46 (1700) | US National Science Foundation | USA | |
| 47 (1702) | National Radio Astronomy Observatory, Charlottesville | USA | |
| 48 (1889) | Fermi National Accelerator Laboratory | USA | |
| 49 (2309) | Nemours A Children's Health System | USA | |
| 50 (2450) | NASA Johnson Space Center | USA | |
| 51 (2468) | Glenn Research Center | USA | |
| 52 (2782) | Idaho National Laboratory | USA | |
| 53 (2894) | National Radio Astronomy Observatory, Socorro | USA | |
| 54 (2899) | NASA Stennis Space Center | USA | |
| 55 (2933) | United States Fish and Wildlife Service | USA | |
| 56 (3200) | Naval Air Systems Command | USA | |
| 57 (3203) | NASA Marshall Space Flight Center | USA | |
| 58 (3412) | NASA Kennedy Space Center | USA | |
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