| Acronym | Meaning |
| ENC | Eisenhower National Clearinghouse |
| FS | Forest Service |
| USAID | United States Agency For International Development |
| DODSSP | Single Stock Point For Specifications And Standards |
| FTA | Federal Transit Administration |
| NIDCD | National Institute On Deafness And Other Communication Disorders |
| ADC | Program Against Digital Counterfeiting Of Currency |
| OIIA | Office Of Intergovernmental And Interagency Affairs |
| SSS | Selective Service System |
| ONDCP | Office Of National Drug Control Policy |