| POROCK INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| POROCK MANAGEMENT LIMITED | Private company limited by shares | Dissolved |
| POROCKS COMPANY LIMITED | Private company limited by shares | Live |
| POROLIGHTING LIMITED | Private company limited by shares | Live |
| POROLLS INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| POROMETER LIMITED | Private company limited by shares | Live |
| The Poromo Limited | | Live |
| Poromod Limited | Private company limited by shares | Live |
| HK PORONG ELECTRONIC TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| Pororoca Limited | Private company limited by shares | Live |
| POROS LIMITED | Private company limited by shares | Dissolved |
| Poros Property Consultants Limited | | Live |
| Poros Solutions Limited | Private company limited by shares | Live |
| POROSHAT (H.K.) INTERNATIONAL GROUP CO., LIMITED | Private company limited by shares | Live |