| 1 (1) | National Aeronautics and Space Administration * | USA |  |
| 2 (8) | Smithsonian Institution * | USA | |
| 3 (9) | Jet Propulsion Laboratory | USA | |
| 4 (10) | Harvard-Smithsonian Center for Astrophysics | USA | |
| 5 (20) | NASA Goddard Space Flight Center | USA | |
| 6 (39) | Space Telescope Science Institute | USA | |
| 7 (73) | Lawrence Berkeley National Laboratory * | USA | |
| 8 (96) | Infrared Processing and Analysis Center | USA | |
| 9 (106) | NASA Ames Research Center | USA | |
| 10 (121) | National Oceanic and Atmospheric Administration | USA | |
| 11 (136) | SLAC National Accelerator Laboratory | USA | |
| 12 (139) | National Radio Astronomy Observatory Charlottesville | USA | |
| 13 (145) | NASA Goddard Institute for Space Studies | USA | |
| 14 (146) | Fermi National Accelerator Laboratory | USA | |
| 15 (157) | Argonne National Laboratory | USA | |
| 16 (169) | United States Geological Survey | USA | |
| 17 (176) | National Institute of Standards and Technology * | USA | |
| 18 (187) | Los Alamos National Laboratory * | USA | |
| 19 (206) | US National Science Foundation * | USA | |
| 20 (216) | National Optical Astronomy Observatory | USA | |
| 21 (237) | American Museum of Natural History | USA | |
| 22 (241) | National Radio Astronomy Observatory, Socorro | USA | |
| 23 (242) | Brookhaven National Laboratory * | USA | |
| 24 (270) | U.S. Air Force | USA | |
| 25 (311) | Smithsonian National Museum of Natural History | USA | |
| 26 (316) | NASA Johnson Space Center | USA | |
| 27 (317) | Lawrence Livermore National Laboratory * | USA | |
| 28 (318) | Subaru Telescope | USA | |
| 28 (318) | U.S. Army * | USA | |
| 30 (335) | Oak Ridge National Laboratory | USA | |
| 31 (344) | US Naval Research Laboratory | USA | |
| 32 (348) | Joint Institute for Laboratory Astrophysics | USA | |
| 33 (359) | NASA Marshall Space Flight Center | USA | |
| 34 (365) | National Center for Atmospheric Research | USA | |
| 35 (376) | Bay Area Environmental Research Institute | USA | |
| 36 (392) | Glenn Research Center | USA | |
| 37 (441) | NASA Langley Research Center | USA | |
| 38 (515) | Pacific Northwest National Laboratory | USA | |
| 39 (542) | Sandia National Laboratories, New Mexico | USA | |
| 40 (571) | NASA Stennis Space Center | USA | |
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