| Symbol | Name | Country | Exchange |
|---|---|---|---|
| TOT | Total Energy Services Inc. | CA | TSX |
| WRG | Western Energy Services Corp. | CA | TSX |
| CAPD | Capital Drilling Limited | UK | LSE |
| JINDRILL | JINDAL DRILLING & INDUSTRIES LTD. | IN | BSE |
| 0AI | Awilco Drilling PLC | DE | F |
| 4DS | Daldrup & Söhne Aktiengesellschaft | DE | F |
| MDI | Master Drilling Group Ltd | ZA | JSE |
| 8021 | Topoint Technology Co Ltd | TW | TW |