| SINEX LIMITED | Private company limited by shares | Dissolved |
| Sinex Co., Limited | Private company limited by shares | Live |
| SINEX DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| SINEX ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| SINEX INDUSTRIES LIMITED | Private company limited by shares | Live |
| SINEX INTERNATIONAL LIMITED | Private company limited by shares | Live |
| SINEX INVESTMENT LIMITED | | Live |
| SINEX SOLUTIONS LIMITED | Private company limited by shares | Live |
| SINEX Trading Limited | Private company limited by shares | Live |
| Sinex Trading HK Company Limited | Private company limited by shares | Live |
| Sinexa (HK) Limited | Private company limited by shares | Live |
| SINEXIS LIMITED | Private company limited by shares | Dissolved |