| DEEPWATER COMPANY LIMITED | Private company limited by shares | Dissolved |
| ATLANTIS DEEPWATER ASIA LIMITED | Private company limited by shares | Dissolved |
| ATLANTIS DEEPWATER ORIENT LIMITED | Private company limited by shares | Dissolved |
| Deepwater Capital Limited | Private company limited by shares | Live |
| Deepwater Investments Co., Limited | | Live |
| DEEPWATER PORT CO., LIMITED | Private company limited by shares | Dissolved |
| DEEPWATER OFFSHORE CONSULTING COMPANY LIMITED | Private company limited by shares | Live |
| DEEPWATER DYNAMICS LIMITED | | Live |
| MASSED DEEPWATER TECHNOLOGIES (HONG KONG) COMPANY LIMITED | Private company limited by shares | Live |
| DeepWater Asset Management Limited | Private company limited by shares | Live |