| Symbol | Name | Country | Exchange |
|---|---|---|---|
| ICDI | Independence Contract Drilling, Inc. | US | US |
| NTNOF | Northern Ocean Ltd | US | US |
| ODFJF | ODFJF | US | US |
| 4JO | NORTHERN OCEAN LTD. | DE | F |
| 4SM | Magnora ASA | DE | F |
| JPZ0 | DOLFINES S.A. EO 001 | DE | F |
| KY7 | Akastor ASA | DE | F |
| OD3 | ODFJELL DRILL.LTD. DL-01 | DE | F |
| WRG | Western Energy Services Corp. | CA | TO |
| SDI | Stampede Drilling Inc | CA | V |
| AWDR | Awilco Drilling PLC | NO | OL |