| Acronym | Meaning |
| OAC | Office Of Antiboycott Compliance |
| ANA | Administration For Native Americans |
| TANF | Temporary Assistance For Needy Families |
| AFS | Air Facility Sub-System |
| NINDS | National Institute Of Neurological Disorders And Stroke |
| CMHS | Center For Mental Health Services |
| VGLI | Veterans' Group Life Insurance |
| DAU | Defense Acquisition University |
| PTO | Patent And Trademark Office |
| OACU | Office Of Animal Care And Use |