| Symbol | Name | Country | Exchange |
|---|---|---|---|
| ENQQF | Enteq Upstream Plc | US | OTC |
| TGSGY | TGS-NOPEC Geophysical Company ASA | US | OTC |
| JINDRILL | JINDAL DRILLING & INDUSTRIES LTD. | IN | BSE |
| 002278 | Shanghai SK Petroleum & Chemical Equipment Corp Ltd | CN | SHE |
| 603619 | Zhongman Petro & Natural Gas | CN | SHG |
| NESRW | National Energy Services Reunited Corp | US | US |
| 2PG | PROPETRO HLD.CORP.DL-001 | DE | F |
| CO9 | China Oilfield Services Limited | DE | F |
| PE1 | Patterson-UTI Energy Inc | DE | F |
| JINDRILL | Jindal Drilling And Industries Limited | IN | NSE |