| ATAR MANAGEMENT LIMITED | Private company limited by shares | Dissolved |
| Ataraxia Limited | | Live |
| ATARCAR COMPANY LIMITED | Private company limited by shares | Dissolved |
| ATARECO COTTON YARN COMPANY LIMITED | Private company limited by shares | Dissolved |
| ATARITEX COMPANY LIMITED | Private company limited by shares | Dissolved |
| ATARO ELECTRONICS MANUFACTURING LIMITED | Private company limited by shares | Dissolved |
| ATARO ENTERPRISES (H.K.) LIMITED | Private company limited by shares | Dissolved |
| Atarra Limited | Private company limited by shares | Live |
| Atarta Trade Limited | Private company limited by shares | Live |