| OSCO LIMITED | Private company limited by shares | Dissolved |
| OSCO FINANCE LIMITED | Private company limited by shares | Dissolved |
| OSCO HONG KONG LIMITED | Private company limited by shares | Live |
| OSCO INTERNATIONAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| OSCO INTERNATIONAL COMPANY LIMITED | Private company limited by shares | Live |
| Osco Management Limited | Private company limited by shares | Live |
| OSCO Natural and Organics Limited | Private company limited by shares | Live |
| UNITED OSCO LIMITED | Private company limited by shares | Live |
| OSCOM LIMITED | Private company limited by shares | Live |
| OSCONSULT LIMITED | Private company limited by shares | Live |
| OSCORP LIMITED | Private company limited by shares | Live |
| NEW OSCORT LIMITED | Private company limited by shares | Live |