| 1 (2) | National Aeronautics and Space Administration * | USA |  |
| 2 (8) | NASA Goddard Space Flight Center | USA | |
| 3 (9) | Smithsonian Institution * | USA | |
| 4 (10) | Jet Propulsion Laboratory | USA | |
| 5 (12) | Harvard-Smithsonian Center for Astrophysics | USA | |
| 6 (36) | NASA Ames Research Center | USA | |
| 7 (43) | Space Telescope Science Institute | USA | |
| 8 (82) | National Oceanic and Atmospheric Administration | USA | |
| 9 (93) | NASA Marshall Space Flight Center | USA | |
| 10 (94) | NASA Johnson Space Center | USA | |
| 11 (95) | Glenn Research Center | USA | |
| 12 (119) | Lawrence Berkeley National Laboratory * | USA | |
| 13 (121) | NASA Langley Research Center | USA | |
| 14 (133) | Los Alamos National Laboratory * | USA | |
| 15 (143) | Infrared Processing and Analysis Center | USA | |
| 16 (174) | United States Geological Survey | USA | |
| 17 (186) | National Radio Astronomy Observatory Charlottesville | USA | |
| 18 (228) | NASA Goddard Institute for Space Studies | USA | |
| 19 (240) | U.S. Air Force | USA | |
| 20 (245) | SLAC National Accelerator Laboratory | USA | |
| 21 (248) | National Institute of Standards and Technology * | USA | |
| 22 (260) | US National Science Foundation * | USA | |
| 23 (263) | Argonne National Laboratory | USA | |
| 24 (265) | Fermi National Accelerator Laboratory | USA | |
| 25 (285) | National Center for Atmospheric Research | USA | |
| 26 (310) | American Museum of Natural History | USA | |
| 27 (338) | United States Department of Agriculture | USA | |
| 28 (358) | US Naval Research Laboratory | USA | |
| 29 (367) | Brookhaven National Laboratory * | USA | |
| 30 (373) | National Radio Astronomy Observatory, Socorro | USA | |
| 31 (385) | Lawrence Livermore National Laboratory * | USA | |
| 32 (493) | U.S. Army * | USA | |
| 33 (505) | Oak Ridge National Laboratory | USA | |
| 34 (539) | Subaru Telescope | USA | |
| 35 (611) | Pacific Northwest National Laboratory | USA | |
| 36 (703) | Sandia National Laboratories, New Mexico | USA | |
| 37 (719) | Joint Institute for Laboratory Astrophysics | USA | |
| 38 (738) | Princeton Plasma Physics Laboratory | USA | |
| 39 (841) | Smithsonian National Museum of Natural History | USA | |
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