| Acronym | Meaning |
| CDC | Centers For Disease Control |
| NMB | National Mediation Board |
| SERC | Smithsonian Environmental Research Center |
| OSC | Office Of Special Counsel |
| DSS | Defense Security Service |
| ETA | Employment And Training Administration |
| BIMAS | BioInformatics Molecular Analysis Section |
| NCC | National Coordinating Center For Telecommunications |
| EOIR | Executive Office For Immigration Review |
| NPCR | National Program Of Cancer Registries |