| AACO | Arts and Culture Observatory (skr.) |
|---|---|
| ABL | Army Battle Laboratory |
| ADL | Air Defense Laboratory |
| ADL | Area Dental Laboratory |
| APL | Applied Physics Laboratory |
| APL | Applied Physics Laboratory (skr.) |
| APOLLO | Apache Point Observatory Lunar Laser-ranging Operation |
| ATLAS | Atmospheric Laboratory for Applications and Science, výskumný projekt v Spacelabe (angl.skr.) |
| EAL | Electronic Application Laboratory |
| EGO | European Gravitational Observatory, francúzsko-talianske konzorcium na výskum gravitačných vĺn |