| GREATCO LIMITED | Private company limited by shares | Live |
| GREATCO ENGINEERING LIMITED | Private company limited by shares | Live |
| GREATCO ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| GREATCO ENTERPRISES LIMITED | Private company limited by shares | Live |
| GREATCO FINANCE LIMITED | Private company limited by shares | Live |
| GREATCO INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| GREATCO INDUSTRIAL LIMITED | Private company limited by shares | Live |
| Greatco Industrial Enterprise Limited | Private company limited by shares | Live |
| GREATCO INVESTMENT LIMITED | Private company limited by shares | Live |
| GREATCO MANAGEMENT LIMITED | Private company limited by shares | Dissolved |
| GREATCO TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| GREATCO TRADING LIMITED | Private company limited by shares | Live |
| GREATCOM LIMITED | Private company limited by shares | Live |
| GREATCOM TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Live |
| GREATCOME LIMITED | Private company limited by shares | Live |
| GREATCOOL LIMITED | Private company limited by shares | Live |
| GREATCORN DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| GREATCORP LIMITED | Private company limited by shares | Dissolved |
| GREATCORP LIMITED | Private company limited by shares | Live |
| GREATCORP ENTERPRISES LIMITED | Private company limited by shares | Dissolved |