| Abbreviation | Definition |
|---|---|
| AHD | Arehada Mining Limited |
| AHX | Adherex Technologies Inc. |
| AHX | Adherex Technologies Incorporated |
| AIF | Altus Group Income Fund |
| AIG | Acuity Growth & Income Trust |
| AKL | Akela Pharma Inc. |
| AKL | Akela Pharma Incorporated |
| AKT | Akita Drilling Ltd. |
| AKT | Akita Drilling, LTD. |
| ALA | AltaGas Ltd. |
| ALB | Allbanc Split Corporation II |
| ALC | Algoma Central Corporation |
| ALG | Allied Gold Limited |
| ALS | Altius Minerals Corporation |
| AM | Automodular Corporation |
| AMB | Ambrilia Biopharma Inc. |
| AMB | Ambrilia Biopharma Incorporated |
| AMC | Alexis Minerals Corporation |
| AMF | Amorfix Life Sciences Ltd. |
| AMF | Amorfix Life Sciences, LTD. |