| OPTICO GROUP CO., LIMITED | Private company limited by shares | Live |
| OPTICO COMMUNICATION CO., LIMITED | Private company limited by shares | Live |
| OPTICOM LIMITED | Private company limited by shares | Dissolved |
| OPTICOM (HONG KONG) CORPORATION LIMITED | Private company limited by shares | Dissolved |
| GOLDLAND OPTICOM LIMITED | Private company limited by shares | Live |
| OptiComm LIMITED | Private company limited by shares | Live |
| Opticomm Technology Co., Limited | Private company limited by shares | Live |
| A & P OPTICOMM TECHNOLOGY (H.K.) LIMITED | Private company limited by shares | Dissolved |
| OPTICON LIMITED | Private company limited by shares | Live |
| OPTICORD, LIMITED | Private company limited by shares | Dissolved |