| ATOZ GRAPHICS & PRINTING LIMITED | Private company limited by shares | Live |
| ATOZ PRODUCTIONS LIMITED | Private company limited by shares | Dissolved |
| ATOZ PUBLICATIONS LIMITED | Private company limited by shares | Dissolved |
| Atoz Healthcare Service Limited | Private company limited by shares | Live |
| ATOZ SPACE LIMITED | Private company limited by shares | Dissolved |
| AtoZ Supply Limited | Private company limited by shares | Live |
| ATOZ TECHNOLOGY LIMITED | Private company limited by shares | Live |
| ATOZ Translation Co., Limited | Private company limited by shares | Live |
| ATOZGROUP LIMITED | Private company limited by shares | Dissolved |
| ATOZMATION LIMITED | Private company limited by shares | Dissolved |
| ATOZMATION PRO LIMITED | Private company limited by shares | Dissolved |
| ATOZMATION CONSULTATION LIMITED | Private company limited by shares | Dissolved |
| ATOZRT TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| ATOZTEC ADVERTISING LIMITED | Private company limited by shares | Dissolved |
| ATOZTEC (CHINA) LIMITED | Private company limited by shares | Dissolved |
| ATOZTEC COMPUTERS LIMITED | Private company limited by shares | Live |
| ATOZTEC MARITIME LIMITED | Private company limited by shares | Dissolved |
| ATOZTEC RESOURCES LIMITED | Private company limited by shares | Live Commenced dormancy on 29-Mar-1996 |
| ATOZTEC SOLUTIONS LIMITED | Private company limited by shares | Dissolved |
| ATOZTEC TRADING CO. LIMITED | Private company limited by shares | Dissolved |
| ATOZTRONIC LIMITED | Private company limited by shares | Dissolved |
| ATOZZ (H. K.) CO., LIMITED | Private company limited by shares | Live |