| Company Name | Type | Status |
|---|---|---|
| SUNCOM LIMITED | Private company limited by shares | Live |
| SUNCOM ENTERPRISES CO., LIMITED | Private company limited by shares | Live |
| SUNCOM GROUP LIMITED | Private company limited by shares | Live |
| SUNCOM RESOURCES LIMITED | Private company limited by shares | Live |
| SUNCOM TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| SunCom Technology Limited | Private company limited by shares | Live |
| SUNCOME COMPANY LIMITED | Private company limited by shares | Dissolved |
| SUNCOME LIMITED | Private company limited by shares | Dissolved |