| 1 (9) | National Aeronautics and Space Administration * | USA |  |
| 2 (32) | National Oceanic and Atmospheric Administration | USA | |
| 3 (47) | NASA Goddard Space Flight Center | USA | |
| 4 (48) | Jet Propulsion Laboratory | USA | |
| 5 (74) | United States Geological Survey | USA | |
| 6 (98) | Smithsonian Institution * | USA | |
| 7 (109) | Harvard-Smithsonian Center for Astrophysics | USA | |
| 8 (151) | National Center for Atmospheric Research | USA | |
| 9 (163) | Glenn Research Center | USA | |
| 10 (186) | United States Department of Agriculture | USA | |
| 11 (273) | MIT Kavli Institute for Astrophysics and Space Research | USA | |
| 12 (298) | Kavli Institute for Particle Astrophysics and Cosmology | USA | |
| 13 (299) | Kavli Institute for Cosmological Physics | USA | |
| 14 (320) | National Energy Technology Laboratory | USA | |
| 15 (340) | NASA Ames Research Center | USA | |
| 16 (343) | European Space Agency, United States | USA | |
| 17 (371) | NASA Goddard Institute for Space Studies | USA | |
| 18 (390) | Infrared Processing and Analysis Center | USA | |
| 19 (416) | Space Telescope Science Institute | USA | |
| 20 (417) | NASA Langley Research Center | USA | |
| 21 (422) | U.S. Air Force | USA | |
| 22 (458) | Lawrence Berkeley National Laboratory * | USA | |
| 23 (470) | SLAC National Accelerator Laboratory | USA | |
| 24 (476) | US Environmental Protection Agency | USA | |
| 25 (497) | Kavli Institute for Theoretical Physics | USA | |
| 26 (511) | Los Alamos National Laboratory * | USA | |
| 27 (512) | U.S. Department of Energy * | USA | |
| 28 (522) | NASA Marshall Space Flight Center | USA | |
| 29 (535) | NASA Johnson Space Center | USA | |
| 30 (559) | National Renewable Energy Laboratory | USA | |
| 31 (570) | National Radio Astronomy Observatory Charlottesville | USA | |
| 32 (578) | Pacific Northwest National Laboratory * | USA | |
| 33 (626) | United States Fish and Wildlife Service | USA | |
| 34 (766) | Oak Ridge Institute for Science and Education | USA | |
| 35 (843) | Oak Ridge National Laboratory | USA | |
| 36 (851) | Lawrence Livermore National Laboratory * | USA | |
| 37 (888) | National Institute of Standards and Technology * | USA | |
| 38 (927) | Argonne National Laboratory * | USA | |
| 39 (979) | American Museum of Natural History | USA | |
| 40 (984) | National High Magnetic Field Laboratory | USA | |
| 41 (989) | NASA Stennis Space Center | USA | |
| 42 (1020) | University of Maryland, Center for Environmental Science | USA | |
| 43 (1050) | Smithsonian National Museum of Natural History | USA | |
| 44 (1060) | Smithsonian Environmental Research Center | USA | |
| 45 (1117) | Brookhaven National Laboratory * | USA | |
| 46 (1140) | US National Science Foundation * | USA | |
| 47 (1147) | US Naval Research Laboratory | USA | |
| 48 (1177) | Fermi National Accelerator Laboratory | USA | |
| 49 (1309) | U.S. Army * | USA | |
| 50 (1374) | National Park Service, United States | USA | |
| 51 (1452) | Joint Institute for Laboratory Astrophysics | USA | |
| 52 (1516) | Princeton Plasma Physics Laboratory | USA | |
| 53 (1537) | Sandia National Laboratories, New Mexico | USA | |
| 54 (1824) | National Radio Astronomy Observatory, Socorro | USA | |
| 55 (1971) | Bay Area Environmental Research Institute | USA | |
| 56 (2182) | Florida Museum of Natural History | USA | |
| 57 (2249) | Field Museum Natural History | USA | |
| 58 (2402) | Environmental Molecular Sciences Laboratory | USA | |
| 59 (2872) | Idaho National Laboratory * | USA | |
| 60 (3536) | Natural History Museum of los Angeles County | USA | |
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