| Acronym | Meaning |
| PBGC | Pension Benefit Guaranty Corporation |
| TVA | Tennessee Valley Authority |
| OMAO | Office Of Marine And Aviation Operations |
| PBS | Public Buildings Service |
| USAFA | United States Air Force Academy |
| OTS | Office Of Thrift Supervision |
| NODC | National Oceanographic Data Center |
| CEN | Bureau Of The Census |
| CHID | Combined Health Information Database |
| FTA | Federal Transit Administration |