| TRACI LUK LIMITED | | Live |
| TRACIA INVESTMENT LIMITED | Private company limited by shares | Live |
| TRACIE LIMITED | Private company limited by shares | Dissolved |
| TRACINE CO., LIMITED | Private company limited by shares | Live |
| Tracing Co., Limited | | Live |
| FORDSON TRACING CENTRE LIMITED | Private company limited by shares | Dissolved |
| FORDSON TRACING SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| Tracing Target Investigation Limited | Private company limited by shares | Live |
| TRACING ARTHOME MANUFACTURING LIMITED | Private company limited by shares | Live |
| TRACING ORIGINS LIMITED | Company limited by guarantee | Live |
| Tracing Culture Spread (HK) Limited | Private company limited by shares | Live |
| HK Tracing Trade Limited | Private company limited by shares | Live |
| TRACINO ECO LIMITED | Private company limited by shares | Live |