| TSIT ON ICE COMPANY LIMITED | Private company limited by shares | Live |
| TSIT ON ICE BOAT LIMITED | Private company limited by shares | Dissolved |
| Sun Lee Tsit Enterprise Limited | Private company limited by shares | Live |
| TSIT ON ICE FACTORY LIMITED | Private company limited by shares | Live |
| TSIT ON PROPERTIES LIMITED | Private company limited by shares | Live |
| TSIT WING INVESTMENT COMPANY, LIMITED | Private company limited by shares | Dissolved |
| Tsitda Trading Limited | | Live |
| TSITE GROUP (HK) CO., LIMITED | Private company limited by shares | Live |