| ALSTAIN CO., LIMITED | Private company limited by shares | Live |
| ALSTEEL LIMITED | Private company limited by shares | Live |
| ALSTEEL TRADING COMPANY LIMITED | | Live |
| ALSTELA LIMITED | Private company limited by shares | Live |
| ALSTEN LIMITED | Private company limited by shares | Live |
| ALSTER COMPANY LIMITED | Private company limited by shares | Dissolved |
| Alster Limited | | Live |
| ALSTHOM (ASIA) LIMITED | Private company limited by shares | Live |
| ALSTON LIMITED | Private company limited by shares | Dissolved |
| ALSTON LIMITED | Private company limited by shares | Dissolved |
| ALSTONEDALE PROPERTIES LIMITED | Private company limited by shares | Dissolved |
| ALSTONFIELD COMPANY LIMITED | Private company limited by shares | Dissolved |
| ALSTRA LIMITED | Private company limited by shares | Dissolved |
| ALSTRADE CO., LIMITED | Private company limited by shares | Live |