| 1 (122) | National Center for Biotechnology Information | USA |  |
| 2 (270) | United States Department of Agriculture | USA | |
| 3 (275) | National Research Council Canada * | CAN | |
| 4 (327) | US Food and Drug Administration | USA | |
| 5 (368) | Lawrence Berkeley National Laboratory * | USA | |
| 6 (393) | U.S. Army * | USA | |
| 7 (435) | National Renewable Energy Laboratory | USA | |
| 8 (436) | Lawrence Livermore National Laboratory * | USA | |
| 9 (456) | Argonne National Laboratory | USA | |
| 10 (461) | Center for Biologics Evaluation and Research | USA | |
| 11 (509) | US Naval Research Laboratory | USA | |
| 12 (519) | Center for Drug Evaluation & Research | USA | |
| 13 (521) | Oak Ridge National Laboratory | USA | |
| 14 (530) | National Aeronautics and Space Administration * | USA | |
| 15 (535) | Los Alamos National Laboratory * | USA | |
| 16 (555) | Sandia National Laboratories, New Mexico | USA | |
| 17 (560) | National Institute of Standards and Technology * | USA | |
| 18 (595) | US Environmental Protection Agency | USA | |
| 19 (596) | Pacific Northwest National Laboratory | USA | |
| 20 (604) | Agriculture and Agri-Food Canada | CAN | |
| 21 (631) | U.S. Department of Energy * | USA | |
| 22 (659) | National Center for Toxicological Research | USA | |
| 23 (668) | National Oceanic and Atmospheric Administration | USA | |
| 24 (671) | World Bank United States | USA | |
| 25 (682) | Nemours Children's Health System | USA | |
| 26 (684) | SLAC National Accelerator Laboratory | USA | |
| 26 (684) | Center for Food Safety and Applied Nutrition | USA | |
| 28 (700) | Douglas Mental Health University Institute | CAN | |
| 28 (700) | Smithsonian Institution * | USA | |
| 30 (711) | Oak Ridge Institute for Science and Education | USA | |
| 31 (714) | Center for Devices and Radiological Health | USA | |
| 32 (733) | Westat Corp | USA | |
| 32 (733) | United States Geological Survey | USA | |
| 34 (737) | U.S. Air Force | USA | |
| 35 (756) | Environment Canada | CAN | |
| 36 (759) | Brookhaven National Laboratory * | USA | |
| 37 (935) | Research Institute for Fragrance Materials | USA | |
|
