| Company Name | Type | Status |
|---|---|---|
| DIVING TRAVEL LIMITED | Private company limited by shares | Live |
| DIVING ADVENTURE TRAVEL LIMITED | Private company limited by shares | Live |
| Asia Diving Travel Limited | Private company limited by shares | Live |
| Unity Scuba Diving Limited | Live | |
| DUCKS DIVING WORK LIMITED | Private company limited by shares | Live |
| HIP KEUNG DIVING WORKS COMPANY LIMITED | Private company limited by shares | Dissolved |
| Works of Diving Transportation Company Limited | Private company limited by shares | Live |