| AL-CON COMPANY LIMITED | Private company limited by shares | Live |
| ALCON ENTERPRISES LIMITED | Private company limited by shares | Live |
| ALCON INVESTMENTS LIMITED | Private company limited by shares | Live |
| ALCONDA WATCH LIMITED | Private company limited by shares | Live |
| ALCONI LIMITED | Private company limited by shares | Live |
| ALCONIX HONG KONG CORPORATION LIMITED | Private company limited by shares | Live |
| ALCONN POWERCONNECTIONS LIMITED | Private company limited by shares | Dissolved |
| Alconsult Limited | Private company limited by shares | Live |
| Alconthing Limited | Private company limited by shares | Live |