| Abbreviation | Definition |
|---|---|
| STB | Student Transportation Inc. |
| STB | Student Transportation Incorporated |
| STF | SCITI Total Return Trust |
| STN | Stantec, Inc. |
| STP | Southern Pacific Resource Corporation |
| STQ | Income STREAMS III Corporation |
| STR | Financial Services Income STREAMS Corporation |
| STR | Financial Services Income STREAMS Corporation (de-listed) |
| STR | Financial Services Income STREAMS Corporation (de-listed) |
| SU | Suncor Energy Inc. |
| SU | Suncor Energy Incorporated |
| SUE | Sulliden Gold Corporation Ltd. |
| SUE | Sulliden Gold Corporation, LTD. |
| SUM | Solium Capital Inc. |
| SUM | Solium Capital Incorporated |
| SVC | Sandvine Corporation |
| SVM | Silvercorp Metals Inc. |
| SVM | Silvercorp Metals Incorporated |
| SVR | Claymore Silver Bullion Trust |
| SVU | Spur Ventures Inc. |