| WAI KEE AQUARIUM LIMITED | Private company limited by shares | Live |
| AQUARIUM COMPANY LIMITED -THE- | Private company limited by shares | Dissolved |
| MAX AQUARIUM COMPANY LIMITED | Private company limited by shares | Dissolved |
| SZE SUN AQUARIUM & PET COMPANY LIMITED | Private company limited by shares | Live |
| Tin Yu Aquarium Company Limited | Private company limited by shares | Live |
| WU FAT AQUARIUM COMPANY LIMITED | | Live |
| ARTIFACT AQUARIUM LIMITED | Private company limited by shares | Live |
| ASIA AQUARIUM LIMITED | Private company limited by shares | Dissolved |
| CHAUKIT AQUARIUM COMPANY LIMITED | Private company limited by shares | Live |
| Forest Ocean Aquarium Limited | Private company limited by shares | Live |
| GALAXY AQUARIUM COMPANY LIMITED | Private company limited by shares | Dissolved |
| JOHNSON WAI AQUARIUM SUPPLY COMPANY LIMITED | Private company limited by shares | Live |
| MERMAID AQUARIUM LIMITED | Private company limited by shares | Live |
| DRAGON PALACE AQUARIUM LIMITED | Private company limited by shares | Live |
| SEAQUEST INTERACTIVE AQUARIUM LIMITED | Private company limited by shares | Live |
| AQUARIUM SOLUTIONS LIMITED | Private company limited by shares | Live |
| TINY OCEAN AQUARIUM LIMITED | Private company limited by shares | Dissolved |
| TREASURY AQUARIUM LIMITED | | Live |
| Vast Aquarium Company Limited | Private company limited by shares | Live |
| VOLVO AQUARIUM LIMITED | Private company limited by shares | Dissolved |
| HK YEEHOI AQUARIUM LIMITED | Private company limited by shares | Dissolved |
| YEEHOI AQUARIUM LIMITED | Private company limited by shares | Live |