| Symbol | Name | Country | Exchange |
|---|---|---|---|
| PXD | Pioneer Natural Resources Company | US | NYSE |
| ACPE | ACP Energy Plc | UK | LSE |
| ADME | ADM Energy Plc | UK | LSE |
| ENOG | Energean Oil & Gas Plc | UK | LSE |
| PMG | Parkmead Group [The] Plc | UK | LSE |
| SEPL | Seplat Petroleum Develop | UK | LSE |
| SLE | San Leon Energy Plc | UK | LSE |
| WCAT | Wildcat Petroleum Plc | UK | LSE |
| PEN | Panoro Energy ASA | NO | OL |
| SLGYF | San Leon Energy Plc | US | OTC |