| Acronym | Meaning |
| NPR | National Partnership For Reinventing Government (archived At Univ. Of North Texas) |
| USPS | United States Postal Service ˜(state And Street Abbreviations) |
| TASC | Transportation Administrative Service Center |
| OAIT | Office Of American Indian Trust |
| TSO | TRICARE Support Office |
| ORD | Office Of Rare Diseases |
| AHCPR | Agency For Health Care Policy And Research (changed To AHRQ) |
| RRB | Railroad Retirement Board |
| EO | Executive Order |
| USA | United States Army |