| Abbreviation | Definition |
|---|---|
| SCI | Silver City Minerals Limited |
| SCR | Scandinavian Resources Limited |
| SCY | Sirocco Energy, LTD. (formerly Australian Ethanol, LTD., symbol AAE) |
| SDG | Sunland Group Ltd |
| SDI | SDI Ltd |
| SDL | Sundance Resources Ltd |
| SDLKOB | Sundance Resources Limited |
| SDLKOC | Sundance Resources Limited |
| SDM | Sedgman Ltd |
| SDT | Shandong Tianye Australia Limited |
| SEA | Sundance Energy Australia Ltd |
| SEG | Segue Resources Ltd |
| SEH | Sino Gas & Energy Holdings Limited |
| SEHOA | Sino Gas & Energy Holdings Limited |
| SEHOC | Sino Gas & Energy Holdings Limited |
| SEK | Seek Ltd |
| SEKKOA | Seek Limited |
| SEKKOP | Seek Limited |
| SEKKRA | Seek Limited |
| SEKKRP | Seek Limited |