| ASCON LIMITED | Private company limited by shares | Live |
| Ascon Energy Limited | Private company limited by shares | Live |
| ASCON GROUP LIMITED | Private company limited by shares | Live |
| ASCON GROUP INC LIMITED | Private company limited by shares | Dissolved |
| ASCON GROUP INTERNATIONAL LIMITED | Private company limited by shares | Live |
| ASCON INTERNATIONAL LIMITED | | Live |
| ASCON Technologies Limited | Private company limited by shares | Live |
| Ascona Limited | Private company limited by shares | Live |
| ASCONA ENTERPRISES LIMITED | Private company limited by shares | Live |
| ASCONA REALTY LIMITED | Private company limited by shares | Live |
| Ascona Trading Limited | Private company limited by shares | Live |
| ASCONDA COMPANY LIMITED | Private company limited by shares | Dissolved |
| ASCONER LIMITED | Private company limited by shares | Dissolved |
| ASCONI CO LIMITED | Private company limited by shares | Live |
| ASCONIC LIMITED | Private company limited by shares | Dissolved |
| ASCONN COMPANY LIMITED | Private company limited by shares | Dissolved |