| Acronym | Meaning |
| DOI | Department Of The Interior |
| FOIA | Freedom Of Information Act |
| FRA | Federal Railroad Administration |
| FEDIX | Federal Information Exchange Inc. (ceased Operation 7/3/02) |
| FEMA | Federal Emergency Management Agency |
| CBIAC | Chemical And Biological Defense Information Analysis Center |
| BARC | Beltsville Agricultural Research Center |
| ORACBA | Office Of Risk Assessment And Cost-Benefit Analysis |
| CNO | Chief Of Naval Operations |
| OVC | Office For Victims Of Crime |