| AIGS | Abnormal Impulse Generating Sites 
| Others |
| AIGS | Acharya Institute of Graduate Studies
| Others |
| AIGS | Advanced Imaging for Glaucoma Study
| Others |
| AIGS | Albi Investment Group Services
| Others |
| AIGS | Andrews International Government Services
| Others |
| AIGS | Artificial Intelligence Geneva Summit
| Others |
| AIGS | Asian Institute of Gemological Sciences
| Others |
| AIGS | Association Interregionale de Guidance et de Sante
| Others |
| AIGS | Australian Institute of Genealogical Studies
| Others |