| Acronym | Definition |
|---|
| AISG | American Insurance Services Group |
| AISG | American Integrated Security Group, Inc. (College Point, NY) |
| AISG | Antenna Interface Standards Group Ltd. (England, UK) |
| AISG | American International School of Guangzhou (China) |
| AISG | Advanced Information Systems Group, Inc. (Orlando, FL) |
| AISG | American Iraqi Solutions Group |
| AISG | Adequate and Independent State Ground (law) |
| AISG | The American International School in Genoa (Italy) |
| AISG | Auto Insurance Services Group |
| AISG | AUTODIN Intersite Gateway |
| AISG | Air Defense Artillery Implementation Sub-Group (US Army) |