| Symbol | Name | Country | Exchange |
|---|---|---|---|
| PHX | PHX Energy Services Corp. | CA | TSX |
| MCON | Mincon Group Plc | UK | LSE |
| NTQ | Enteq Upstream Plc | UK | LSE |
| JINDRILL | JINDAL DRILLING & INDUSTRIES LTD. | IN | BSE |
| 0196 | Honghua Group Ltd | HK | HK |
| MIO | Mincon Group P | IE | IR |
| MDI | Master Drilling Group Ltd | ZA | JSE |
| 300164 | Tong Oil Tools | CN | SHE |
| SBO | Schoeller-Bleckmann Oilfield Equipment Aktiengesellschaft | AT | VI |
| PTH | Primetech SA | PL | WAR |