| DOH | 3P International Energy Corp | TSX Venture | Active |
| SVN.P | 71 Capital Corp | TSX Venture | Active |
| WDG | 99 Capital Corporation | TSX Venture | Active |
| AME | Abacus Mining & Exploration Corporation | TSX Venture | Active |
| ABA | Abbastar Resources Corp | TSX Venture | Active |
| ABI | Abcourt Mines Inc. | TSX Venture | Active |
| ABU | Abenteuer Resources Corp. | TSX Venture | Active |
| AAB | Aberdeen Intl. J | TSX | Active |
| AAB.WT | Aberdeen Intl. Wt J | TSX | Active |
| ABL | Abington Resources Ltd | TSX Venture | Active |
| ABE | Abitex Resouces Inc. | TSX Venture | Active |
| ABB | Abitibi Mining Corp. | TSX Venture | Active |
| ABD.H | Abode Mortgage Holdings Corp. | TSX Venture | Suspended |
| ADA | Acadian Mng Corp. J | TSX | Active |
| AXE | Acceleware Corp | TSX Venture | Active |
| AXP | Accelrate Power Systems Inc | TSX Venture | Active |
| ADP.P | Accend Capital Corporation | TSX Venture | Suspended |
| AOE | Access International Education Ltd. | TSX Venture | Active |
| ACY.P | Acme Resources Corp | TSX Venture | Active |
| ARI | Acme Resources Inc | TSX Venture | Active |
| AKV | Acrex Ventures Ltd. | TSX Venture | Active |
| ART | Acro Energy Technologies Corp | TSX Venture | Active |
| AKM | ACT360 Solutions Ltd. | TSX Venture | Active |
| AEC.H | Action Energy Inc. | TSX Venture | Suspended |
| ACT | Active Control Technology Inc | TSX Venture | Active |
| AAC | Actus Minerals Corp | TSX Venture | Active |
| ADU | Adamus Resources Limited | TSX Venture | Active |
| AUA | Adanac Molybdenum J | TSX | Active |
| ATQ | Adeptron Tech Corp J | TSX | Active |
| ADE | Adex Mining Inc | TSX Venture | Active |
| AHX | Adherex Technology J | TSX | Active |
| ADB | Admiral Bay Resources Inc. | TSX Venture | Active |
| ADI | Adriana Resources Inc. | TSX Venture | Active |
| ADT | Adroit Resources Inc. | TSX Venture | Active |
| AXI | Advanced Explorations Inc. | TSX Venture | Active |
| APD | Advanced Primary Minerals Corporation | TSX Venture | Active |
| APC | Advanced Proteome Therapeutics Corporation | TSX Venture | Active |
| AAX | Advance Gold Corp | TSX Venture | Active |
| ADX | Advantex Marketing International Inc. | TSX Venture | Active |
| AGE | Adventure Gold Inc | TSX Venture | Active |
| AWI | Advent Wireless Inc. | TSX Venture | Active |
| AVI | Advitech Inc | TSX Venture | Active |
| AIM | Aegis Investment Management (Golf) Inc. | TSX Venture | Active |
| AMA | AeroMechanical Services Ltd. | TSX Venture | Active |
| AQL | Aeroquest Int'l Ltd. | TSX | Active |