| KARSIN LIMITED | Private company limited by shares | Live |
| KARSIN ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| KARSIN ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| KARSIN INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| KARSIN TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| KARSIN TRADING LIMITED | Private company limited by shares | Dissolved |
| KARSING LIMITED | Private company limited by shares | Dissolved |
| KARSING ASIA LIMITED | Private company limited by shares | Dissolved |
| KARSING (HOLDING) LIMITED | Private company limited by shares | Dissolved |
| KARSING INVESTMENT LIMITED | Private company limited by shares | Live Commenced dormancy on 10-Apr-2015 |
| HK KARSING INVESTMENT LIMITED | Private company limited by shares | Live |
| KARSING TELECOMMUNICATION LIMITED | Private company limited by shares | Dissolved |