| Acronym | Meaning |
| NCHSTP | National Center For HIV |
| NAICS | North American Industry Classification System |
| EOWS | Executive Office Of Weed And Seed |
| SEDAC | Socioeconomic Data And Applications Center |
| ACDA | United States Arms Control And Disarmament Agency |
| IO | Bureau Of International Organization Affairs |
| GILS | Government Information Locator Service |
| MSPB | Merit Systems Protection Board |
| FMS | Financial Management Service |
| ICAO | International Civil Aviation Organization |