| Acronym | Meaning |
| NSTL | National Space Technology Laboratories |
| NIJ | National Institute Of Justice |
| INL | Bureau For International Narcotics And Law Enforcement Affairs |
| NRCS | Natural Resources Conservation Service |
| BJA | Bureau Of Justice Assistance |
| GCMD | Global Change Master Directory |
| SLAC | Stanford Linear Accelerator Center |
| CBIAC | Chemical And Biological Defense Information Analysis Center |
| CIS | Cancer Information Service |
| FRS | Federal Reserve System; Federal Relay Service |