| Symbol | Name | Country | Exchange |
|---|---|---|---|
| AUCOY | Polymetal Intl Plc | US | OTC |
| AUGG | Augusta Gold Corp | US | OTC |
| AUHIF | Advance Utd Hldgs | US | OTC |
| AULGF | Anglogold Ltd Ord | US | OTC |
| AUMBF | 1911 Gold Corp | US | OTC |
| AUMC | Auryn Mining Corporation | US | OTC |
| AUMTF | Aurelia Metals Ltd | US | OTC |
| AUNFF | Aurcana Corp | US | OTC |
| AUSDF | Ausdrill Ltd | US | OTC |
| AUSTF | Austin Engineering Ltd | US | OTC |
| AUSVF | Aura Resources Inc | US | OTC |
| AVEVF | Aveva Group Plc | US | OTC |
| AVPMF | Avrupa Minerals Ltd | US | OTC |
| AVVYY | Aveva Group Plc [Uk] ADR | US | OTC |
| AWMLF | American West Metals Limited | US | OTC |
| AXDDF | Almadex Minerals Limited | US | OTC |
| AXREF | Amarc Resources Ltd | US | OTC |
| AYASF | Aya Gold & Silver Inc | US | OTC |
| AZASF | Arizona Silver | US | OTC |
| AZRMF | Azure Minerals | US | OTC |