| Acronym | Meaning |
| CIA | Central Intelligence Agency |
| ANL | Argonne National Laboratory |
| IAEGC | Inter-Agency Electronic Grants Committee |
| IAEA | International Atomic Energy Agency |
| ZIP (CODE) | Zone Improvement Plan |
| IADRWG | Interagency Alternative Dispute Resolution Working Group |
| ECI | National Institute On Early Childhood Development And Education |
| AFRL | Air Force Research Laboratory |
| IACB | Indian Arts And Crafts Board |
| ACF | Administration For Children And Families |