| Symbol | Name | Country | Exchange |
|---|---|---|---|
| HMSG | HMS Hydraulic Machines & Systems Group PLC DRC | RU | MCX |
| OTS | Oceanteam ASA | NO | OL |
| REACH | Reach Subsea | NO | OL |
| SUBC | Subsea 7 SA | NO | OL |
| DU4 | Mermaid Maritime Public Company Limited | SG | SG |
| 600583 | Offshore Oil Engineering Co Ltd | CN | SHG |
| 002158 | Shanghai Hanbell Precise Machinery Co Ltd | CN | SHE |
| 603331 | Zhejiang Baida Precision Mnfg | CN | SHG |
| 300257 | Zhejiang Kaishan Compressor | CN | SHE |
| 300580 | Wuxi Best Precision Machinery Co Ltd | CN | SHE |
| 4532 | Rechi Precision Co Ltd | TW | TW |
| 4552 | Lida Holdings Ltd | TW | TW |