| HK SINGK LIMITED | Private company limited by shares | Live |
| SingKai Corporation Limited | Private company limited by shares | Dissolved |
| SINGKAI INTERNATIONAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINGKARAK LIMITED | Private company limited by shares | Dissolved |
| SINGKEL INVESTMENT LIMITED | Private company limited by shares | Live |
| SINGKIN LIMITED | Private company limited by shares | Dissolved |
| SINGKLE TECH LIMITED | Private company limited by shares | Dissolved |
| SINGKONG INVESTMENTS LIMITED | Private company limited by shares | Live |
| SINGKONG SUPPLIERS LIMITED | Private company limited by shares | Dissolved |
| SINGKWONG (OVERSEAS) INVESTMENT LIMITED | Private company limited by shares | Dissolved |