| Acronym | Meaning |
| AOA | Administration On Aging |
| ACSL | Alternate Crops And Systems Lab |
| OSF | Office Of Space Flight |
| USBR | Bureau Of Reclamation |
| OAR | Office Of AIDS Research; Office Of Oceanic And Atmospheric Research |
| CCB | Child Care Bureau |
| CMS | Centers For Medicare And Medicaid Services |
| OTA | Office Of Technology Assessment |
| NIST | National Institute Of Standards And Technology |
| FHA | Federal Housing Administration |