| Symbol | Name | Country | Exchange |
|---|---|---|---|
| ORG | Origin Energy Ltd | AU | ASX |
| ORM | Orion Metals Ltd | AU | ASX |
| ORN | Orion Minerals NL | AU | ASX |
| ORR | Orecorp Ltd | AU | ASX |
| OXX | Octanex Ltd | AU | ASX |
| OZL | OZ Minerals Limited | AU | ASX |
| PAN | Panoramic Resources Ltd | AU | ASX |
| PCL | Pancontinental Oil & Gas NL | AU | ASX |
| PDI | Predictive Discovery Ltd | AU | ASX |
| PDN | Paladin Energy Ltd | AU | ASX |
| PEC | Perpetual Resources Ltd | AU | ASX |
| PEK | Peak Resources Ltd. | AU | ASX |
| PEN | Peninsula Energy Ltd | AU | ASX |
| PEX | Peel Mining Ltd | AU | ASX |
| PF1 | Pathfinder Resources Ltd | AU | ASX |
| PG1 | Pearl Global Limited | AU | ASX |
| PGM | Platina Resources Limited | AU | ASX |
| PGY | Pilot Fpo | AU | ASX |
| PKO | Peako Ltd | AU | ASX |
| PLS | Pilbara Minerals Ltd | AU | ASX |