| 1 (9) | National Oceanic and Atmospheric Administration | USA |  |
| 2 (38) | National Aeronautics and Space Administration * | USA | |
| 3 (43) | Fisheries and Oceans Canada * | CAN | |
| 4 (45) | United States Geological Survey | USA | |
| 5 (79) | Jet Propulsion Laboratory | USA | |
| 6 (103) | Natural Resources Canada | CAN | |
| 7 (129) | US Environmental Protection Agency | USA | |
| 8 (155) | Smithsonian Institution * | USA | |
| 9 (180) | Environment Canada | CAN | |
| 10 (201) | National Center for Atmospheric Research | USA | |
| 11 (279) | Bedford Institute of Oceanography | CAN | |
| 12 (304) | Smithsonian Environmental Research Center | USA | |
| 13 (334) | Fisheries and Oceans Canada Dartmouth | CAN | |
| 14 (350) | Smithsonian National Museum of Natural History | USA | |
| 15 (384) | University of Maryland, Center for Environmental Science | USA | |
| 16 (404) | US Naval Research Laboratory | USA | |
| 17 (429) | NASA Goddard Space Flight Center | USA | |
| 18 (466) | United States Fish and Wildlife Service | USA | |
| 19 (488) | NASA Stennis Space Center | USA | |
| 20 (648) | Pacific Northwest National Laboratory * | USA | |
| 21 (839) | U.S. Army * | USA | |
|
