| 1 (138) | Lawrence Berkeley National Laboratory * | USA | |
| 2 (166) | SLAC National Accelerator Laboratory | USA | |
| 3 (205) | Argonne National Laboratory | USA | |
| 4 (356) | National Aeronautics and Space Administration * | USA | |
| 5 (365) | National Institute of Standards and Technology * | USA | |
| 6 (366) | Los Alamos National Laboratory * | USA | |
| 7 (394) | NASA Goddard Space Flight Center | USA | |
| 8 (456) | American Museum of Natural History | USA | |
| 9 (461) | Smithsonian Institution * | USA | |
| 10 (545) | Harvard-Smithsonian Center for Astrophysics | USA | |
| 11 (548) | Jet Propulsion Laboratory | USA | |
| 12 (549) | United States Geological Survey | USA | |
| 13 (590) | World Bank United States | USA | |
| 14 (605) | National Oceanic and Atmospheric Administration | USA | |
| 15 (609) | Lawrence Livermore National Laboratory * | USA | |
| 16 (700) | United States Department of Agriculture | USA | |
| 17 (893) | U.S. Army * | USA | |
| 18 (965) | Smithsonian National Museum of Natural History | USA | |
| 19 (985) | Field Museum Natural History | USA | |
| 20 (1013) | National Center for Atmospheric Research | USA | |
| 21 (1661) | U.S. Air Force | USA | |
|