| Symbol | Name | Country | Exchange |
|---|---|---|---|
| PED | Pedevco Corp. | US | AMEX |
| RCON | Recon Technology, Ltd. | US | NASDAQ |
| ATONY | Anton Oilfld Sv ADR | US | OTC |
| ECCE | Eagle Ford Oil & Gas | US | OTC |
| ENQUF | Enquest Plc London | US | OTC |
| IGESF | Igas Energy Plc | US | OTC |
| RZE | Razor Energy Corp | CA | TSXV |
| ANGS | Angus Energy Plc | UK | LSE |
| ENQ | Enquest Plc | UK | LSE |
| ORCA | Orcadian Energy Plc | UK | LSE |
| PMG | Parkmead Group [The] Plc | UK | LSE |
| 002554 | China Oil HBP Science & Technology Co Ltd | CN | SHE |
| 300084 | Lanzhou Haimo Technologies Co | CN | SHE |