| Abbreviation | Definition |
|---|---|
| AEI | Arsenal Energy, Inc. |
| AEM | Agnico-Eagle Mines, LTD. |
| AEN | Antrim Energy, Inc. |
| AER | Groupe Aeroplan, Inc. |
| AER | Groupe Aeroplan, Incorporated |
| AET | ARC Energy Trust (de-listed) |
| AEU | ACTIVEnergy Income Fund |
| AEZ | AEterna Zentaris, Incorporated |
| AF | AlarmForce Industries, Inc. |
| AF | AlarmForce Industries, Incorporated |
| AFN | Ag Growth International, Incorporated |
| AFP | AGF Master Limited Partnership |
| AFU | Acuity Focused Total Return Trust |
| AG | Arctic Glacier Income Fund |
| AGB | Global Agribusiness Trust |
| AGF | AGF Management Limited |
| AGI | Alamos Gold, Incorporated |
| AGT | Alliance Grain Traders, Incorporated |
| AGU | Agrium Inc. |
| AGU | Agrium, Incorporated |