| Abbreviation | Definition |
|---|---|
| SSO | Spdr S&p/asx Small Ordinaries Fund |
| SST | Steamships Trading Company, LTD. |
| SSZ | Silver Stone Resources Limited |
| STB | South Boulder Mines Ltd |
| STB | South Boulder Mines LTD. |
| STE | Stratatel, LTD. |
| STG | Staging Connections Group Ltd |
| STI | Stirling Products Ltd |
| STK | Strickland Resources Limited |
| STO | Santos Ltd |
| STOKMP | Santos Limited |
| STOKOC | Santos Limited |
| STOKOE | Santos Limited |
| STOKOP | Santos Limited |
| STOKOQ | Santos Limited |
| STOKOR | Santos Limited |
| STOKRA | Santos Limited |
| STOKRB | Santos Limited |
| STOKRC | Santos Limited |
| STOKRD | Santos Limited |