| Symbol | Name | Country | Exchange |
|---|---|---|---|
| VAL | Valaris Limited | US | NYSE |
| VTDRF | Vantage Drilling International | US | OTC |
| VTGDF | Vantage Drilling Company | US | OTC |
| NOL | Northern Ocean Ltd | NO | OL |
| NTNOF | Northern Ocean Ltd | US | US |
| 4JO | NORTHERN OCEAN LTD. | DE | F |
| RIGN | Transocean Ltd | MX | MX |