| Acronym | Meaning |
 | LLNL | Lawrence Livermore National Laboratory |
| MIGA | Multilateral Investment Guarantee Agency |
| NIA | National Institute On Aging |
| SI | Smithsonian Institute |
| FYSB | Family And Youth Services Bureau |
| REIS | Regional Economic Information System |
| IADRWG | Interagency Alternative Dispute Resolution Working Group |
| MAC | Market Access And Compliance |
| BTS | Bureau Of Transportation Statistics |
| LC | Library Of Congress |
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