| ALLERBY LIMITED | Private company limited by shares | Dissolved |
| ALLERCARE LIMITED | Private company limited by shares | Live Commenced dormancy on 28-Dec-1994 |
| ALLERCURE LIMITED | Private company limited by shares | Live |
| ALLERDICE COMPANY LIMITED | Private company limited by shares | Dissolved |
| Allerfree HK Service Limited | Private company limited by shares | Live |
| Allergan USA LIMITED | | Live |
| ALLERGAN ASIA LIMITED | Private company limited by shares | Live |
| Allergan Hong Kong Limited | Private company limited by shares | Live |
| Anti Allergy Limited | | Live |
| ALLERGY FREE ASIA LIMITED | Company limited by guarantee | Live |
| CENTRE FOR ALLERGY AND ASTHMA CARE LIMITED | Private company limited by shares | Live |
| Dr.Z Allergy Clinic Limited | | Live |
| MEDDX ALLERGY COMPANY LIMITED | Private company limited by shares | Live |
| ALLERGY RELIEF (ASIA) LIMITED | Private company limited by shares | Dissolved |
| RESPIRATORY AND ALLERGY CARE CENTER LIMITED | Private company limited by shares | Dissolved |
| ALLERGY SOLUTIONS LIMITED | Private company limited by shares | Live |
| ALLERHAND LIMITED | Private company limited by shares | Dissolved |
| ALLERHAND ASIA LIMITED | Private company limited by shares | Live |
| ALLERLON LIMITED | Private company limited by shares | Dissolved |
| ALLERS LIMITED | Private company limited by shares | Live |
| Allers Limited | Private company limited by shares | Live |
| AllerScience Laboratories, Limited | Private company limited by shares | Live |
| ALLERTECH ASIA LIMITED | Private company limited by shares | Dissolved |
| ALLERTEK SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| ALLERTON LIMITED | Private company limited by shares | Live |