| ZAMA LIMITED | Private company limited by shares | Dissolved |
| ZAMA INVESTMENTS LIMITED | Private company limited by shares | Live |
| ZAMAN PTE LIMITED | Private company limited by shares | Dissolved |
| ZAMAN & ZAMAN LIMITED | Private company limited by shares | Live |
| AYMAN ZAMAN CORPORATION LIMITED | Private company limited by shares | Live |
| ZAMAN IMPORT EXPORT CORPORATION LIMITED | Private company limited by shares | Live |
| ZAMAN KWONG & ASSOCIATES LIMITED | Private company limited by shares | Dissolved |
| ZAMAN ELECTRONIC TECHNOLOGY GROUP LIMITED | Private company limited by shares | Live |
| ZAMANCO LIMITED | Private company limited by shares | Live |
| ZAHART ZAMANI TRADING CO., LIMITED | Private company limited by shares | Live |
| Zamar Limited | Private company limited by shares | Live |
| Zamastein Consultancy International Limited | Private company limited by shares | Dissolved |
| ZAMAX LIMITED | Private company limited by shares | Live |
| ZAMAZ LIMITED | Private company limited by shares | Live |