| Symbol | Name | Country | Exchange |
|---|---|---|---|
| KEC | Kiwetinohk Energy Corp | CA | TSX |
| QEC | Questerre Energy Corporation | CA | TSX |
| ECO | Eco (Atlantic) Oil & Gas Ltd | UK | LSE |
| 0568 | Shandong Molong Petroleum Machinery Co Ltd | HK | HK |
| 8270 | China CBM Group Co Ltd | HK | HK |
| QEC | Questerre Energy Corporation | NO | OL |
| 002490 | Shandong Molong Petroleum Machinery Co Ltd | CN | SHE |
| 603800 | Suzhou Douson Drilling & Production Equipment Co Ltd | CN | SHG |
| 688377 | Nanjing Develop Advanced Manufacturing Co Ltd | CN | SHG |