| Company Name | Type | Status |
|---|---|---|
| MARSTON LIMITED | Private company limited by shares | Live |
| MARSTON LIMITED | Private company limited by shares | Live |
| MARSTON MACHINERY CO., LIMITED | Private company limited by shares | Live |
| Marston Group Limited | Private company limited by shares | Dissolved |
| Marston Hong Kong Limited | Private company limited by shares | Live |
| Marston International Limited | Live | |
| MARSTON INVESTMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| MARSTON MARINE & CARGO SURVEYING (H.K.) LIMITED | Private company limited by shares | Live |