| Abbreviation | Definition |
|---|---|
| AIK | Armidale Investment Corporation Limited |
| AIO | Asciano Group |
| AIOKMP | Asciano Limited |
| AIOKOA | Asciano Limited |
| AIOKOB | Asciano Limited |
| AIOKRC | Asciano Limited |
| AIOKRP | Asciano Limited |
| AIQ | Alternative Investment Trust |
| AIR | Astivita Renewables Limited |
| AIV | Activex Ltd |
| AIVO | Activex Limited |
| AIW | Australian-american Mining Corporation |
| AIWO | Australian-american Mining Corporation Nl |
| AIX | Australian Infrastructure Group |
| AIY | Authorised Investment Fund Ltd |
| AIYO | Authorised Investment Fund Limited |
| AIZ | Air New Zealand Ltd |
| AJA | Astro Japan Property Trust |
| AJC | Acacia Coal Limited |
| AJJ | Asian Centre For Liver Diseases And Transplantation Limited |