| FOSC LIMITED | Private company limited by shares | Live |
| FOSCA INTERNATIONAL LIMITED | Private company limited by shares | Live |
| FOSCA TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |
| FOSCAN LIMITED | Private company limited by shares | Live |
| FOSCAN PROPERTIES LIMITED | Private company limited by shares | Live |
| FOSCC LIMITED | Private company limited by shares | Live |
| Fine Foschem Limited | Private company limited by shares | Live |
| YUFENG FOSCHEM LIMITED | Private company limited by shares | Live |
| FOSCHEMICAL LIMITED | Private company limited by shares | Live |
| FOSCON INC LIMITED | Private company limited by shares | Live |
| FOSCOTE COMPANY LIMITED | Private company limited by shares | Live |