| KATAX LIMITED | Private company limited by shares | Dissolved |
| KATAX LIMITED | Private company limited by shares | Live |
| KATAX CONSULTANCY LIMITED | Private company limited by shares | Live |
| KATAX FAR EAST LIMITED | Private company limited by shares | Live |
| Katax Engineering Co. Limited | | Live |
| KATAX ASIA GROUP LIMITED | Private company limited by shares | Dissolved |
| KATAX HONG KONG GROUP LIMITED | Private company limited by shares | Live |
| KATAX INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| KATAX INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| KATAX ASIA PACIFIC LIMITED | Private company limited by shares | Dissolved |