| Abbreviation | Definition |
|---|---|
| TRMB | Thames Riv. Eur |
| TRMU | Thames Riv.usd |
| TRP | Tower Resources |
| TRS | Tarsus Group |
| TRT | Transense Tech. |
| TRV | Treveria |
| TRX | Tissue Regenix |
| TRY | Tr Prop.inv.tst |
| TRYS | Tr Prop.inv.sig |
| TRYW | Tr Prop.inv.wts |
| TSCO | Tesco |
| TSG | Trans Sib |
| TSTL | Tristel |
| TSTR | Tri-star Res. |
| TSW | Titan Eur. |
| TT. | Tui Travel |
| TTA | Total Ord |
| TTG | Tt Electronics |
| TTMT | Tata Motor S |
| TTNM | Tottenham Hotsp |