| ONTON LIMITED | Private company limited by shares | Dissolved |
| ONTON LIMITED | Private company limited by shares | Live |
| ONTON INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| ONTON TEXTILES LIMITED | Private company limited by shares | Dissolved |
| ONTON TRANSPORTATION LIMITED | Private company limited by shares | Dissolved |
| ONTONE LIMITED | Private company limited by shares | Live |
| ONTONE COMPUTER COMPANY LIMITED | Private company limited by shares | Dissolved |
| Ontone Creation Limited | Private company limited by shares | Live |
| ONTONE FINANCE COMPANY LIMITED | Private company limited by shares | Live |
| ONTONOMIA LIMITED | Private company limited by shares | Live |