| Abbreviation | Definition |
|---|---|
| SMD | Syndicated Metals, LTD. |
| SMDO | Syndicated Metals Limited |
| SML | Synergy Metals Ltd |
| SMLOA | Synergy Metals Ltd |
| SMM | Summit Resources, LTD. |
| SMN | Structural Monitoring Systems Plc |
| SMR | Stanmore Coal Limited |
| SMX | SMS Management & Technology Ltd |
| SND | Saunders International Ltd |
| SNE | Somerton Energy Limited |
| SNL | Supply Network Ltd |
| SNR | Synergy Plus Limited |
| SNV | Sinovus Mining Ltd |
| SNVO | Sinovus Mining Limited |
| SOC | Sovereign Gold Company Limited |
| SOE | Souls Private Equity Ltd |
| SOEOA | Souls Private Equity Limited |
| SOF | Sofcom Ltd |
| SOI | Soil Sub Technologies Ltd |
| SOL | Washington H Soul Pattison & Co Ltd |