American Agency of Aerospace (AAAS): NASA, possibly merged with the FAA.
American Agency of Domestic Law Enforcement (AADLE): FBI.
American Agency of International Affairs and Intelligence (AAIAI) CIA and State Department.
American Agency of Defence (AAD): DoD.
American Agencies of Agriculture, Education, Energy, Transportation, and Veterans' Affairs: OTL
American Agency of Public Work and Health (AAPWH): DoL + DoC + DoHHS + DoHUD
American Agency of Public Land and Resources (AAPLR): DoI
American Agency of Domestic Security (AADS): DHS