| Acronym | Meaning |
| NIDDK | National Institute Of Diabetes And Digestive And Kidney Disease |
| FCC | Federal Communications Commission |
| NCD | National Council On Disability |
| RHS | Rural Housing Service |
| FSA | Farm Service Agency; Office Of Federal Student Aid |
| DIA | Defense Intelligence Agency |
| FLC | Federal Laboratory Consortium |
| OASDI | Old-Age And Survivors Insurance And Disability Insurance |
| TVA | Tennessee Valley Authority |
| GNMA | Government National Mortgage Association |