| DHS |
= |
Department of Homeland Security |
| DOD |
= |
Department of Defense |
| DOE |
= |
Department of Energy |
| DOS |
= |
Department of State |
| EPA |
= |
Environmental Protection Agency |
| HHS |
= |
Department of Health and Human Services |
| NASA |
= |
National Aeronautics and Space Administration |
| NIH |
= |
National Institutes of Health |
| NIST |
= |
National Institute of Standards and Technology |
| NOAA |
= |
National Oceanographic and Atmospheric Administration |
| NSF |
= |
National Science Foundation |
| NRC |
= |
Nuclear Regulatory Commission |
| NRC |
= |
National Research Council |
| ONR |
= |
Office of Naval Research |
| USDA |
= |
United States Department of Agriculture |
