| K & L WATCHCASE COMPANY LIMITED | Private company limited by shares | Dissolved |
| HANG CHEONG SIU YIP WATCHCASE MANUFACTORY LIMITED | Private company limited by shares | Dissolved |
| CROWN WATCHCASE & ACCESSORIES MANUFACTORY LIMITED | Private company limited by shares | Dissolved |
| TAI ON WATCH-CASE FACTORY LIMITED | Private company limited by shares | Dissolved |
| TAI SUN WATCH-CASE FACTORY LIMITED | Private company limited by shares | Dissolved |
| SUN TAT WATCH-CASE FACTORY LIMITED | Private company limited by shares | Dissolved |
| BO YIP WATCHCASE FACTORY LIMITED | Private company limited by shares | Dissolved |
| WAH FAI WATCHCASE FACTORY LIMITED | Private company limited by shares | Dissolved |
| KINS WATCHCASE COMPANY LIMITED | Private company limited by shares | Dissolved |
| KWAI FAT WATCHCASE FACTORY LIMITED | Private company limited by shares | Dissolved |
| LEADER WATCHCASE FACTORY LIMITED | Private company limited by shares | Dissolved |
| WAY WAH WATCHCASE MANUFACTORY LIMITED | Private company limited by shares | Dissolved |
| LAW'S WATCH-CASE MANUFACTORY LIMITED | Private company limited by shares | Dissolved |
| HING FAT WATCHCASE MANUFACTURING COMPANY LIMITED | Private company limited by shares | Dissolved |
| WANG YIP WATCH-CASE FACTORY LIMITED | Private company limited by shares | Dissolved |
| WINSOME WATCH-CASE MANUFACTORY LIMITED | Private company limited by shares | Live |