| Acronym | Meaning |
| ITA | International Trade Administration |
| HIRS | Health Information Resources Service |
| PC | Peace Corps |
| SRS | Savannah River Site |
| ADF | African Development Foundation |
| FIA | Federal Insurance Administration |
| NIAAA | National Institute On Alcohol Abuse And Alcoholism |
| NLE | National Library Of Education |
| NCC | National Coordinating Center For Telecommunications |
| NBII | National Biological Information Infrastructure |