| Symbol | Name | Country | Exchange |
|---|---|---|---|
| TLW | Tullow Oil Plc | UK | LSE |
| UJO | Union Jack Oil Plc | UK | LSE |
| UKOG | UK Oil & Gas Investments | UK | LSE |
| UPL | Upland Resources Limited | UK | LSE |
| 500186 | Hindustan Oil Exploration Company Limited | IN | BSE |
| MAU | Etablissements Maurel et Prom SA | FR | PA |
| 5WH | Rex International Holding Ltd | SG | SG |
| UKLLF | UK Oil & Gas Invts Plc | US | OTC |
| REXHF | Rex International Holding Limited | US | US |
| RXI | Rex International Holding Limited | DE | F |