| TARC LIMITED | | Live |
| TARC Holdings Limited | Private company limited by shares | Live |
| TARCHO LIMITED | Private company limited by shares | Dissolved |
| Tarcine Biotechnic Diagnostics Limited | Private company limited by shares | Live |
| Tarcine BioMed (Hong Kong) Limited | Private company limited by shares | Live |
| TARcom Limited | Private company limited by shares | Live |
| TARCOM CONSTRUCTION ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| TARCOM INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| TARCOM METAL LIMITED | Private company limited by shares | Dissolved |
| TARCOM RESOURCES LIMITED | Private company limited by shares | Dissolved |
| TARCOOLA LIMITED | Private company limited by shares | Dissolved |