| 1 (41) | Lawrence Berkeley National Laboratory * | USA |  |
| 2 (49) | SLAC National Accelerator Laboratory | USA | |
| 3 (96) | Canadian Institute for Advance Research | CAN | |
| 4 (112) | U.S. Department of Health and Human Services * | USA | |
| 5 (113) | National Renewable Energy Laboratory | USA | |
| 6 (142) | Argonne National Laboratory | USA | |
| 7 (201) | Oak Ridge National Laboratory | USA | |
| 8 (223) | Harvard-Smithsonian Center for Astrophysics | USA | |
| 9 (275) | Pacific Northwest National Laboratory | USA | |
| 10 (284) | Brookhaven National Laboratory * | USA | |
| 11 (288) | Smithsonian Institution * | USA | |
| 12 (298) | U.S. Army * | USA | |
| 13 (336) | Sandia National Laboratories, New Mexico | USA | |
| 14 (338) | Los Alamos National Laboratory * | USA | |
| 15 (372) | Sandia National Laboratories, California | USA | |
| 16 (373) | US Naval Research Laboratory | USA | |
| 17 (383) | United States Department of Agriculture | USA | |
| 18 (424) | National High Magnetic Field Laboratory | USA | |
| 19 (427) | Lawrence Livermore National Laboratory * | USA | |
| 20 (437) | Idaho National Laboratory | USA | |
| 21 (445) | National Aeronautics and Space Administration * | USA | |
| 22 (446) | Jet Propulsion Laboratory | USA | |
| 23 (447) | National Institute of Standards and Technology * | USA | |
| 24 (454) | US Environmental Protection Agency | USA | |
| 25 (468) | National Research Council Canada * | CAN | |
| 26 (502) | U.S. Department of Energy * | USA | |
| 27 (505) | Glenn Research Center | USA | |
| 28 (506) | U.S. Air Force | USA | |
| 29 (512) | National Energy Technology Laboratory | USA | |
| 30 (519) | United States Geological Survey | USA | |
| 31 (522) | NASA Langley Research Center | USA | |
| 32 (531) | National Oceanic and Atmospheric Administration | USA | |
| 33 (533) | US Food and Drug Administration | USA | |
| 34 (560) | Ames Laboratory | USA | |
| 35 (577) | NASA Ames Research Center | USA | |
| 36 (580) | NASA Goddard Space Flight Center | USA | |
| 37 (585) | Agriculture and Agri-Food Canada | CAN | |
| 38 (586) | Environment Canada | CAN | |
| 39 (590) | Center for Food Safety and Applied Nutrition | USA | |
| 40 (595) | Oak Ridge Institute for Science and Education | USA | |
| 41 (610) | Joint Institute for Laboratory Astrophysics | USA | |
| 42 (648) | TRIUMF - National Laboratory for Particle and Nuclear Physics | CAN | |
| 43 (754) | Savannah River National Laboratory | USA | |
| 44 (769) | Natural Resources Canada | CAN | |
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