| 1 (371) | United States Department of Agriculture | USA |  |
| 2 (446) | US Food and Drug Administration | USA | |
| 3 (476) | National Research Council Canada * | CAN | |
| 4 (570) | Lawrence Berkeley National Laboratory * | USA | |
| 5 (613) | Center for Biologics Evaluation and Research | USA | |
| 6 (648) | U.S. Army * | USA | |
| 7 (860) | Lawrence Livermore National Laboratory * | USA | |
| 8 (901) | Argonne National Laboratory | USA | |
| 9 (907) | Center for Drug Evaluation & Research | USA | |
| 10 (1002) | US Naval Research Laboratory | USA | |
| 11 (1121) | Oak Ridge National Laboratory | USA | |
| 12 (1152) | Los Alamos National Laboratory * | USA | |
| 13 (1332) | Pacific Northwest National Laboratory | USA | |
| 14 (1336) | Sandia National Laboratories, New Mexico | USA | |
| 15 (1369) | SLAC National Accelerator Laboratory | USA | |
| 16 (1384) | National Institute of Standards and Technology * | USA | |
| 17 (1433) | National Aeronautics and Space Administration * | USA | |
| 18 (1450) | NASA Ames Research Center | USA | |
| 19 (1468) | National Center for Toxicological Research | USA | |
| 20 (1548) | Center for Devices and Radiological Health | USA | |
| 21 (1613) | Agriculture and Agri-Food Canada | CAN | |
| 22 (1628) | U.S. Department of Energy * | USA | |
| 23 (1792) | US Environmental Protection Agency | USA | |
| 24 (1918) | Oak Ridge Institute for Science and Education | USA | |
| 25 (2109) | National Oceanic and Atmospheric Administration | USA | |
| 26 (2261) | Nemours Children's Health System | USA | |
| 27 (2277) | Brookhaven National Laboratory * | USA | |
| 28 (2315) | Douglas Mental Health University Institute | CAN | |
| 29 (2358) | Center for Food Safety and Applied Nutrition | USA | |
| 30 (2628) | World Bank United States | USA | |
| 31 (2676) | U.S. Air Force | USA | |
| 32 (2805) | Smithsonian Institution * | USA | |
| 33 (2898) | American Museum of Natural History | USA | |
| 34 (2957) | Smithsonian National Museum of Natural History | USA | |
| 35 (3009) | United States Geological Survey | USA | |
| 36 (3089) | Environment Canada | CAN | |
| 37 (3425) | Steadman Philippon Research Institute | USA | |
| 38 (3488) | Westat Corp | USA | |
| 39 (4981) | Research Institute for Fragrance Materials | USA | |
|
