| Abbreviation | Definition |
|---|---|
| ATVCD | Atlantic Gold NL |
| ATW | ATOS Wellness Ltd |
| AUB | Austbrokers Holdings Ltd |
| AUC | Ausgold Limited |
| AUCO | Ausgold Limited |
| AUF | Asian Masters Fund Ltd |
| AUI | Australian United Investment Ltd |
| AUK | Augur Resources Ltd |
| AUN | Austar United Communications Ltd |
| AUP | Aurora Property Income Trust |
| AUQ | Alara Uranium Ltd |
| AUT | Aurora Oil & Gas Ltd |
| AUV | Australis Mining Corporation Ltd |
| AUZ | Australian Mines Ltd |
| AVA | Aviva Corporation, LTD. |
| AVB | Avanco Resources Ltd |
| AVBOB | Avanco Resources Ltd |
| AVD | Advance Energy, LTD. |
| AVDG | Advance Energy Limited |
| AVDOA | Advance Energy Limited |