| Symbol | Name | Country | Exchange |
|---|---|---|---|
| HLX | Helix Energy Solutions Group, Inc. | US | NYSE |
| OII | Oceaneering International, Inc. | US | NYSE |
| ACGYF | Subsea 7 S.A. | US | OTC |
| AKRTF | Aker Solutions Holding ASA | US | OTC |
| AT | Ashtead Technology Holdings Plc | UK | LSE |
| FSJ | James Fisher and Sons plc | UK | LSE |
| 1AKA | Aker Solutions OL | DE | F |
| EIOF | Eidesvik Offshore ASA | NO | OL |
| OTS | Oceanteam ASA | NO | OL |
| REACH | Reach Subsea | NO | OL |
| SUBC | Subsea 7 SA | NO | OL |
| 600583 | Offshore Oil Engineering Co Ltd | CN | SHG |