| 1 (132) | National Aeronautics and Space Administration * | USA |  |
| 2 (213) | National Renewable Energy Laboratory | USA | |
| 3 (244) | Lawrence Berkeley National Laboratory * | USA | |
| 4 (279) | SLAC National Accelerator Laboratory | USA | |
| 5 (330) | Oak Ridge National Laboratory | USA | |
| 6 (386) | Jet Propulsion Laboratory | USA | |
| 7 (399) | National Institute of Standards and Technology * | USA | |
| 8 (408) | National Oceanic and Atmospheric Administration | USA | |
| 9 (424) | NASA Ames Research Center | USA | |
| 10 (503) | Argonne National Laboratory * | USA | |
| 11 (510) | NASA Langley Research Center | USA | |
| 12 (511) | Molecular Foundry | USA | |
| 13 (576) | Sandia National Laboratories, New Mexico | USA | |
| 14 (635) | Glenn Research Center | USA | |
| 15 (640) | Pacific Northwest National Laboratory * | USA | |
| 16 (652) | NASA Goddard Space Flight Center | USA | |
| 17 (712) | Lawrence Livermore National Laboratory * | USA | |
| 18 (725) | Center for Nanoscale Materials | USA | |
| 19 (766) | NASA Marshall Space Flight Center | USA | |
| 20 (776) | US Environmental Protection Agency | USA | |
| 21 (791) | U.S. Army * | USA | |
| 22 (794) | U.S. Department of Energy * | USA | |
| 23 (845) | United States Department of Agriculture | USA | |
| 24 (849) | United States Geological Survey | USA | |
| 25 (868) | US Food and Drug Administration | USA | |
| 26 (903) | Sandia National Laboratories, California | USA | |
| 27 (926) | Smithsonian Institution * | USA | |
| 28 (1045) | Center for Devices and Radiological Health | USA | |
| 29 (1068) | U.S. Air Force | USA | |
| 30 (1073) | Brookhaven National Laboratory * | USA | |
| 31 (1115) | NASA Johnson Space Center | USA | |
| 32 (1119) | Los Alamos National Laboratory * | USA | |
| 33 (1257) | National Energy Technology Laboratory | USA | |
| 34 (1413) | National High Magnetic Field Laboratory | USA | |
| 35 (1584) | US Naval Research Laboratory | USA | |
| 36 (1760) | Ames Laboratory | USA | |
| 37 (1764) | NASA Stennis Space Center | USA | |
| 38 (1800) | Center for Integrated Nanotechnologies | USA | |
| 39 (1975) | Fermi National Accelerator Laboratory | USA | |
| 40 (2438) | Idaho National Laboratory * | USA | |
| 41 (2924) | Savannah River National Laboratory | USA | |
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