| Acronym | Definition |
|---|
| AIGI➣Assistant Inspector General for Investigations (US government) |
| AIGI➣Changsha Active Ingredients Group, Inc. (tea exports; China) |
| AIGI➣Adair International Oil and Gas, Inc. |
| AIGI➣Association Internationale de Géologie de l'Ingénieur (French: International Association of Engineering Geology; est. 1964) |
| AIGI➣Australian Internet Growth Index |