| 1 (113) | National Aeronautics and Space Administration * | USA |  |
| 2 (123) | United States Department of Agriculture | USA | |
| 3 (146) | Lawrence Berkeley National Laboratory | USA | |
| 4 (318) | Oak Ridge National Laboratory | USA | |
| 5 (332) | Argonne National Laboratory | USA | |
| 6 (367) | National Center for Biotechnology Information | USA | |
| 7 (378) | Los Alamos National Laboratory | USA | |
| 8 (385) | U.S. Army | USA | |
| 9 (406) | Doe Joint Genome Institute | USA | |
| 10 (428) | National Oceanic and Atmospheric Administration | USA | |
| 11 (432) | National Institute of Standards and Technology * | USA | |
| 12 (445) | SLAC National Accelerator Laboratory | USA | |
| 13 (447) | United States Geological Survey | USA | |
| 14 (528) | Smithsonian Institution | USA | |
| 15 (531) | Pacific Northwest National Laboratory | USA | |
| 16 (552) | Lawrence Livermore National Laboratory | USA | |
| 17 (567) | Jet Propulsion Laboratory | USA | |
| 18 (573) | National Center for Atmospheric Research | USA | |
| 19 (587) | NASA Goddard Space Flight Center | USA | |
| 20 (601) | U.S. Air Force | USA | |
| 21 (606) | U.S. Food and Drug Administration | USA | |
| 22 (632) | Brookhaven National Laboratory | USA | |
| 23 (655) | National Renewable Energy Laboratory | USA | |
| 24 (662) | Sandia National Laboratories, New Mexico | USA | |
| 25 (758) | NASA Ames Research Center | USA | |
| 26 (819) | US Environmental Protection Agency | USA | |
| 27 (901) | US Naval Research Laboratory | USA | |
| 28 (987) | Space Telescope Science Institute | USA | |
| 29 (991) | NASA Langley Research Center | USA | |
| 30 (1076) | NASA Goddard Institute for Space Studies | USA | |
| 31 (1184) | World Bank United States | USA | |
| 32 (1307) | Fermi National Accelerator Laboratory | USA | |
| 33 (1365) | Joint Quantum Institute | USA | |
| 34 (1443) | U.S. Department of Energy | USA | |
| 35 (1537) | American Museum of Natural History | USA | |
| 36 (1593) | National High Magnetic Field Laboratory | USA | |
| 37 (1653) | International Food Policy Research Institute | USA | |
| 38 (1847) | Infrared Processing and Analysis Center | USA | |
| 39 (1883) | Joint Institute for Laboratory Astrophysics | USA | |
| 40 (1914) | Ames Laboratory | USA | |
| 41 (1929) | NASA Johnson Space Center | USA | |
| 42 (1936) | Glenn Research Center | USA | |
| 43 (1950) | University of Maryland, Center for Environmental Science | USA | |
| 44 (1965) | National Energy Technology Laboratory | USA | |
| 45 (2008) | National Radio Astronomy Observatory, Charlottesville | USA | |
| 46 (2082) | National Radio Astronomy Observatory, Socorro | USA | |
| 47 (2250) | Mathematica Policy Research | USA | |
| 48 (2402) | Field Museum Natural History | USA | |
| 49 (2619) | Oak Ridge Institute for Science and Education | USA | |
| 50 (2681) | Nemours A Children's Health System | USA | |
| 51 (2694) | National Optical Astronomy Observatory | USA | |
| 52 (2782) | Inter-American Development Bank | USA | |
| 53 (2792) | NASA Marshall Space Flight Center | USA | |
| 54 (2911) | US National Science Foundation | USA | |
| 55 (3109) | Idaho National Laboratory | USA | |
| 56 (3223) | Thomas Jefferson National Accelerator Facility | USA | |
| 57 (3571) | NASA Stennis Space Center | USA | |
| 58 (3610) | Princeton Plasma Physics Laboratory | USA | |
| 59 (4064) | United States Fish and Wildlife Service | USA | |
| 60 (4455) | Missouri Botanical Garden | USA | |
| 61 (4882) | Savannah River National Laboratory | USA | |
| 62 (5074) | Nuclear Regulatory Commission | USA | |
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