| Symbol | Name | Country | Exchange |
|---|---|---|---|
| RIG | Transocean Ltd (Switzerland) | US | NYSE |
| 0AI | Awilco Drilling PLC | DE | F |
| NODL | Northern Drilling Ltd | NO | OL |
| NOL | Northern Ocean Ltd | NO | OL |
| ODL | Odfjell Drilling Ltd | NO | OL |
| OTL | Odfjell Technology Ltd | NO | OL |
| PSE | Petrolia SE | NO | OL |
| NTNOF | Northern Ocean Ltd | US | US |
| 4JO | NORTHERN OCEAN LTD. | DE | F |
| JPZ0 | DOLFINES S.A. EO 001 | DE | F |
| NBI1 | Nabors Industries Ltd | DE | F |
| ND4 | ODFJELL TECHNOLOGYLTD | DE | F |