| Acronym | Meaning |
| AOA | Administration On Aging |
| PHPPO | Public Health Practice Program Office |
| USAID | United States Agency For International Development |
| GNMA | Government National Mortgage Association |
| ACHP | Advisory Council On Historic Preservation |
| PPQ | Plant Protection And Quarantine |
| NRC | Nuclear Regulatory Commission |
| OSERS | Office Of Special Education And Rehabilitative Services |
| ECP | Emergency Conservation Program |
| DFAS | Defense Finance And Accounting Service |