| 1 (57) | United States Department of Agriculture | USA |  |
| 2 (62) | U.S. Army * | USA | |
| 3 (102) | US Food and Drug Administration | USA | |
| 4 (138) | US Environmental Protection Agency | USA | |
| 5 (252) | National Aeronautics and Space Administration * | USA | |
| 6 (335) | World Bank United States | USA | |
| 7 (350) | Environment Canada | CAN | |
| 8 (352) | Lawrence Berkeley National Laboratory * | USA | |
| 9 (407) | Westat Corp | USA | |
| 10 (421) | U.S. Department of Energy * | USA | |
| 11 (447) | National Oceanic and Atmospheric Administration | USA | |
| 12 (458) | United States Geological Survey | USA | |
| 13 (464) | Jet Propulsion Laboratory | USA | |
| 14 (470) | Lawrence Livermore National Laboratory * | USA | |
| 15 (471) | Oak Ridge National Laboratory | USA | |
| 16 (513) | NASA Goddard Space Flight Center | USA | |
| 17 (532) | Oak Ridge Institute for Science and Education | USA | |
| 18 (593) | U.S. Air Force | USA | |
| 19 (622) | National Center for Atmospheric Research | USA | |
| 20 (646) | Pacific Northwest National Laboratory | USA | |
| 21 (660) | Los Alamos National Laboratory * | USA | |
| 22 (697) | American Institutes for Research | USA | |
| 23 (698) | Nemours Children's Health System | USA | |
| 24 (708) | Center for Drug Evaluation & Research | USA | |
| 25 (753) | Douglas Mental Health University Institute | CAN | |
| 26 (759) | Agriculture and Agri-Food Canada | CAN | |
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