| SINOTO (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| SINOTOM LIMITED | Private company limited by shares | Live |
| SinoTom Energy Engineering Limited | Private company limited by shares | Live |
| SINOTON COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINOTON LIMITED | Private company limited by shares | Dissolved |
| SINOTON ASIA LIMITED | Private company limited by shares | Dissolved |
| SINOTON TRADING LIMITED | Private company limited by shares | Dissolved |
| SINOTONE LIMITED | Private company limited by shares | Dissolved |
| SINOTONE LIMITED | Private company limited by shares | Dissolved |
| SINOTONE LIMITED | Private company limited by shares | Live |
| CHINA SINOTONE NETCOM LIMITED | Private company limited by shares | Dissolved |
| SINOTONE ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| SinoTone Group Limited | Private company limited by shares | Live |
| SINOTONE INDUSTRIAL LIMITED | Private company limited by shares | Live Commenced dormancy on 15-Aug-2014 |
| SINOTONE INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| SINOTONE INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SINOTONE SHIPPING (H.K.) LIMITED | Private company limited by shares | Dissolved |
| SINOTONE TECHNOLOGIES CO., LIMITED | Private company limited by shares | Dissolved |
| SINOTONE TECHNOLOGY (HONGKONG) LIMITED | Private company limited by shares | Live |
| Sinotoo Co. Limited | Private company limited by shares | Live |
| SinoTools Limited | | Live |
| SINOTOP LIMITED | Private company limited by shares | Dissolved |
| SINOTOP SUPPLY CHAIN COMPANY LIMITED | Private company limited by shares | Live |
| SINOTOP ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| SINOTOP ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| SINOTOP ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| SINOTOP ENTERPRISES LIMITED | Private company limited by shares | Live |
| SINOTOP INVESTMENTS LIMITED | Private company limited by shares | Live |
| SINOTOP PROPERTIES LIMITED | Private company limited by shares | Dissolved |
| SINOTOP PROPERTIES LIMITED | Private company limited by shares | Live |
| SINOTOP RESOURCES LIMITED | Private company limited by shares | Dissolved |
| Sinotop Resources Limited | | Live |
| SINO-TOP SHIPPING LIMITED | Private company limited by shares | Dissolved |
| SINOTORCH OILFIELD EQUIPMENT SUPPLY CO., LIMITED | Private company limited by shares | Live |
| SINOTORCH INTERNATIONAL TRADING LIMITED | Private company limited by shares | Live |
| SINOTOUCH LIMITED | Private company limited by shares | Live |
| SINO-TOWER LIMITED | Private company limited by shares | Live |
| SINOTOWN INVESTMENT LIMITED | Private company limited by shares | Live |