| AJAX LIMITED | Private company limited by shares | Live |
| V AJAX LIMITED | Private company limited by shares | Live |
| AJAX INSURANCE AGENCY LIMITED | Private company limited by shares | Dissolved |
| AJAX PONG (SOUTH CHINA) LIMITED | Private company limited by shares | Live |
| AJAX ENGINEERING AND CONSTRUCTION COMPANY LIMITED | Private company limited by shares | Dissolved |
| AJAX PONG CONSTRUCTION LIMITED | Private company limited by shares | Live |
| AJAX CONSULTING LIMITED | Private company limited by shares | Live |
| AJAX PONG DIESEL GENERATOR & ENGINEERING LIMITED | Private company limited by shares | Live |
| AJAX EAST LIMITED | Private company limited by shares | Live |
| AJAX ENTERPRISE COMPANY LIMITED | Private company limited by shares | Dissolved |
| Ajax Enterprises Limited | Private company limited by shares | Live |
| AJAX ESTATES LIMITED | Private company limited by shares | Dissolved |
| AJAX GLOBAL LIMITED | Private company limited by shares | Live |
| AJAX GROUP LIMITED | Private company limited by shares | Live |
| Ajax (Hong Kong) Limited | Private company limited by shares | Live |
| AJAX KNITTING FACTORY COMPANY LIMITED | Private company limited by shares | Dissolved |
| AJAX PONG MACHINERY LEASING LIMITED | Private company limited by shares | Live |
| AJAX LUMBER COMPANY LIMITED | Private company limited by shares | Dissolved |
| AJAX PONG ENGINEERING LIMITED | Private company limited by shares | Live |
| AJAX TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| AJAX TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |
| AJAX TRANSPORTATION LIMITED | Private company limited by shares | Dissolved |