| Abbreviation | Definition |
|---|---|
| DRX | ADF Group Inc. |
| DRX | ADF Group Incorporated Subordinate Voting Shares |
| DS | Dividend Select 15 Corp. |
| DS | Dividend Select 15 Corporation |
| DSA | DALSA Corporation |
| DSG | Descartes Systems Group Inc. (The) |
| DSG | The Descartes Systems Group Incorporated |
| DTX | DeeThree Exploration Ltd. |
| DTX | DeeThree Exploration, LTD. |
| DW | DataWind Incorporated |
| DW | DundeeWealth Inc. |
| DWI | DragonWave Inc. |
| DWI | DragonWave Incorporated (de-listed) |
| DWI | DragonWave Incorporated (de-listed) |
| DZR | Diaz Resources Ltd. |
| E | Enterprise Group, Incorporated |
| E | Enterprise Oilfield Group, Inc. |
| EAT | Prime Restaurants Inc. |
| EAT | Prime Restaurants Incorporated (de-listed) |
| EAT | Prime Restaurants Incorporated (de-listed) |