| 1 (17) | SLAC National Accelerator Laboratory | USA |  |
| 2 (18) | Environmental Molecular Sciences Laboratory | USA | |
| 3 (21) | National Renewable Energy Laboratory | USA | |
| 4 (60) | Lawrence Berkeley National Laboratory * | USA | |
| 5 (83) | Argonne National Laboratory * | USA | |
| 6 (87) | Oak Ridge National Laboratory | USA | |
| 7 (99) | National Aeronautics and Space Administration * | USA | |
| 8 (123) | Pacific Northwest National Laboratory * | USA | |
| 9 (133) | NASA Ames Research Center | USA | |
| 10 (135) | NASA Langley Research Center | USA | |
| 11 (210) | Joint BioEnergy Institute | USA | |
| 12 (247) | Brookhaven National Laboratory * | USA | |
| 13 (368) | Sandia National Laboratories, New Mexico | USA | |
| 14 (427) | Molecular Foundry | USA | |
| 15 (462) | U.S. Department of Energy * | USA | |
| 16 (472) | United States Department of Agriculture | USA | |
| 17 (527) | Lawrence Livermore National Laboratory * | USA | |
| 18 (536) | National Institute of Standards and Technology * | USA | |
| 19 (562) | National Research Council Canada * | CAN | |
| 20 (564) | National Energy Technology Laboratory | USA | |
| 21 (603) | Los Alamos National Laboratory * | USA | |
| 22 (615) | U.S. Army * | USA | |
| 23 (631) | United States Geological Survey | USA | |
| 24 (689) | Natural Resources Canada | CAN | |
| 25 (705) | NASA Goddard Institute for Space Studies | USA | |
| 26 (740) | National High Magnetic Field Laboratory | USA | |
| 27 (839) | Agriculture and Agri-Food Canada | CAN | |
| 28 (927) | National Oceanic and Atmospheric Administration | USA | |
| 29 (955) | Jet Propulsion Laboratory | USA | |
| 30 (994) | Glenn Research Center | USA | |
| 31 (1006) | Idaho National Laboratory | USA | |
| 32 (1072) | Sandia National Laboratories, California | USA | |
| 33 (1113) | Center for Nanoscale Materials | USA | |
| 34 (1125) | NASA Marshall Space Flight Center | USA | |
| 35 (1329) | National Center for Atmospheric Research | USA | |
| 36 (1533) | US Environmental Protection Agency | USA | |
| 37 (1617) | US Naval Research Laboratory | USA | |
| 38 (1806) | Environment Canada | CAN | |
| 39 (1928) | U.S. Air Force | USA | |
| 40 (2012) | Oak Ridge Institute for Science and Education | USA | |
| 41 (2277) | Princeton Plasma Physics Laboratory | USA | |
| 42 (2355) | NASA Goddard Space Flight Center | USA | |
| 43 (2424) | Ames Laboratory | USA | |
| 44 (3304) | NASA Johnson Space Center | USA | |
| 45 (3307) | Savannah River National Laboratory | USA | |
| 46 (3664) | Canadian Nuclear Laboratories | CAN | |
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