| Company Name | Type | Status |
|---|---|---|
| KINGSUM LIMITED | Private company limited by shares | Dissolved |
| Kingsum Eng Company Limited | Private company limited by shares | Live |
| KINGSUM ELECTRONICS (HK) CO., LIMITED | Private company limited by shares | Live |
| Kingsum Engineering Limited | Private company limited by shares | Dissolved |
| Kingsum (International) Limited | Private company limited by shares | Dissolved |