| 1 (10) | NASA Goddard Space Flight Center | USA |  |
| 2 (11) | National Aeronautics and Space Administration * | USA | |
| 3 (23) | National Oceanic and Atmospheric Administration | USA | |
| 4 (26) | United States Department of Agriculture | USA | |
| 5 (29) | United States Geological Survey | USA | |
| 6 (42) | Jet Propulsion Laboratory | USA | |
| 7 (166) | NASA Ames Research Center | USA | |
| 8 (210) | NASA Johnson Space Center | USA | |
| 9 (252) | Oak Ridge National Laboratory | USA | |
| 10 (259) | Lawrence Berkeley National Laboratory * | USA | |
| 11 (384) | Smithsonian Institution * | USA | |
| 12 (516) | National Center for Atmospheric Research | USA | |
| 13 (521) | Lawrence Livermore National Laboratory * | USA | |
| 14 (555) | Los Alamos National Laboratory * | USA | |
| 15 (568) | Pacific Northwest National Laboratory | USA | |
| 16 (740) | U.S. Army * | USA | |
| 17 (803) | US Naval Research Laboratory | USA | |
| 18 (828) | Smithsonian National Museum of Natural History | USA | |
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