| BILLIONTON TECHNOLOGIES (HK) LIMITED | Private company limited by shares | Live |
| BILLIONTON INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| BILLIONUO LIMITED | Private company limited by shares | Live |
| BILLION-UP ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| BILLIONVIEW INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| BILLIONVILLE INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| BILLIONWAYS LIMITED | Private company limited by shares | Live |
| Billionwell Digital Limited | Private company limited by shares | Live |
| BILLIONWELL INVESTMENT LIMITED | Private company limited by shares | Live |
| Billionwin International Group Limited | Private company limited by shares | Live |
| BILLIONWIN INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| Billionworths Group Limited | | Live |
| BILLIONX LIMITED | Private company limited by shares | Live |
| BILLIOUD INTERNATIONAL TRADING GROUP LIMITED | Private company limited by shares | Live |
| BILLIPATTI LIMITED | Private company limited by shares | Dissolved |
| BILLITER LIMITED | Private company limited by shares | Dissolved |
| BILLITON COMPANY LIMITED | Private company limited by shares | Dissolved |
| CKK BILLITON LIMITED | Private company limited by shares | Live |
| BHP BILLITON CHINA LIMITED | Private company limited by shares | Dissolved |
| BILLITON INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| BILLITON PROPERTIES LIMITED | Private company limited by shares | Dissolved |