| AETNA COMPANY LIMITED | Private company limited by shares | Dissolved |
| AETNA CHEMICAL LIMITED | Private company limited by shares | Live |
| Aetna Global Benefits (Asia Pacific) Limited | Private company limited by shares | Live |
| Aetna Group Limited | Private company limited by shares | Live |
| ITALY AETNA OIL GROUP CO., LIMITED | Private company limited by shares | Live |
| AETNA ELECTRONICS (HK) TECHNOLOGY CO., LIMITED | Private company limited by shares | Dissolved |
| AETNA HEALTH CARE (H.K.) LIMITED | Private company limited by shares | Dissolved |
| AETNA HEALTH CARE (H.K.) LIMITED | Private company limited by shares | Live |
| AETNA (HK) INT'L TRADING LIMITED | Private company limited by shares | Dissolved |
| AETNA ELECTRIC (HONG KONG) CO., LIMITED | Private company limited by shares | Dissolved |
| AETNA CAPITAL MANAGEMENT LIMITED | Private company limited by shares | Dissolved |
| Aetna Preschool Company Limited | Private company limited by shares | Live |
| AETNA SERVICES LIMITED | Private company limited by shares | Dissolved |
| AETNAGRO CO., LIMITED | | Live |
| Aetnamobi Technology Limited | | Live |