| 1 (58) | National Aeronautics and Space Administration * | USA |  |
| 2 (71) | Lawrence Berkeley National Laboratory * | USA | |
| 3 (96) | National Institute of Standards and Technology * | USA | |
| 4 (159) | Argonne National Laboratory | USA | |
| 5 (199) | Oak Ridge National Laboratory | USA | |
| 6 (201) | SLAC National Accelerator Laboratory | USA | |
| 7 (205) | Smithsonian Institution * | USA | |
| 8 (220) | National Renewable Energy Laboratory | USA | |
| 9 (225) | Harvard-Smithsonian Center for Astrophysics | USA | |
| 10 (228) | United States Department of Agriculture | USA | |
| 11 (230) | Los Alamos National Laboratory * | USA | |
| 12 (254) | Brookhaven National Laboratory * | USA | |
| 13 (262) | Sandia National Laboratories, New Mexico | USA | |
| 14 (286) | Jet Propulsion Laboratory | USA | |
| 15 (296) | Joint Quantum Institute | USA | |
| 16 (312) | US Naval Research Laboratory | USA | |
| 17 (326) | Lawrence Livermore National Laboratory * | USA | |
| 18 (346) | NASA Goddard Space Flight Center | USA | |
| 19 (352) | U.S. Army * | USA | |
| 19 (352) | Pacific Northwest National Laboratory | USA | |
| 21 (366) | Canadian Institute for Advance Research | CAN | |
| 21 (366) | Joint Institute for Laboratory Astrophysics | USA | |
| 23 (376) | U.S. Air Force | USA | |
| 24 (380) | Space Telescope Science Institute | USA | |
| 25 (412) | National Research Council Canada * | CAN | |
| 26 (418) | Fermi National Accelerator Laboratory | USA | |
| 27 (430) | Sandia National Laboratories, California | USA | |
| 28 (437) | NASA Ames Research Center | USA | |
| 29 (461) | US Food and Drug Administration | USA | |
| 30 (463) | National Optical Astronomy Observatory | USA | |
| 31 (476) | National Energy Technology Laboratory | USA | |
| 31 (476) | Infrared Processing and Analysis Center | USA | |
| 33 (489) | U.S. Department of Energy * | USA | |
| 33 (489) | US National Science Foundation * | USA | |
| 35 (501) | Thomas Jefferson National Accelerator Facility | USA | |
| 36 (517) | NASA Langley Research Center | USA | |
| 37 (519) | National Radio Astronomy Observatory Charlottesville | USA | |
| 38 (520) | National High Magnetic Field Laboratory | USA | |
| 39 (525) | Subaru Telescope | USA | |
| 40 (528) | Glenn Research Center | USA | |
| 41 (529) | United States Geological Survey | USA | |
| 42 (534) | American Museum of Natural History | USA | |
| 43 (548) | Ames Laboratory | USA | |
| 44 (550) | National Radio Astronomy Observatory, Socorro | USA | |
| 44 (550) | Princeton Plasma Physics Laboratory | USA | |
| 46 (554) | Natural Resources Canada | CAN | |
| 47 (560) | NASA Marshall Space Flight Center | USA | |
| 48 (571) | Herzberg Institute of Astrophysics | CAN | |
| 49 (573) | TRIUMF - National Laboratory for Particle and Nuclear Physics | CAN | |
| 50 (577) | National Center for Atmospheric Research | USA | |
| 51 (580) | Bay Area Environmental Research Institute | USA | |
| 52 (600) | Center for Devices and Radiological Health | USA | |
| 53 (602) | Idaho National Laboratory | USA | |
| 54 (612) | National Oceanic and Atmospheric Administration | USA | |
| 55 (691) | NASA Johnson Space Center | USA | |
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