| Abbreviation | Definition |
|---|---|
| QTGOA | QTGOA |
| QTM | Quantum Energy Ltd |
| QUB | Qube Logistics |
| QUE | Queste Communications Ltd |
| QUR | Quantum Resources Ltd |
| QUROA | Quantum Resources Ltd |
| QUROB | Quantum Resources Ltd |
| QXQ | Q Ltd |
| RAD | Radar Iron Limited |
| RADO | Radar Iron Limited |
| RAF | Raffles Capital Limited |
| RAI | Raisama Limited |
| RAU | Republic Gold Ltd |
| RAUO | Republic Gold Limited |
| RAW | Rawson Resources Ltd |
| RBR | Rubicon Resources Ltd |
| RBSRIA | The Royal Bank Of Scotland Plc |
| RBSRIG | The Royal Bank Of Scotland Plc |
| RBSRIL | The Royal Bank Of Scotland Plc |
| RBX | Resources Base Ltd |