| MOK PUI KEE FOUNDRY LIMITED | Private company limited by shares | Dissolved |
| IFA FOUNDRY COMPANY LIMITED | Private company limited by shares | Live |
| Foundry Limited -The- | Private company limited by shares | Live |
| CFI Foundry HK Limited | Private company limited by shares | Live |
| ACME FOUNDRY LIMITED | Company limited by guarantee | Dissolved |
| Afternoon Tea Foundry Limited | | Live |
| JIZE MALLEABLE CASTINGS FOUNDRY (H.K.) LIMITED | Private company limited by shares | Dissolved |
| CHINA CAR AND FOUNDRY COMPANY, LIMITED -THE- | Private company limited by shares | Dissolved |
| CHINA FOUNDRY (GROUP) CO., LIMITED | Private company limited by shares | Live |
| CHINA FOUNDRY CONSUMABLES CO., LIMITED | Private company limited by shares | Live |
| Europa Tea Foundry Company Limited | Private company limited by shares | Live |
| LIAONING EVER FOUNDRY CO., LIMITED | Private company limited by shares | Live |
| Fitness Foundry Limited | Private company limited by shares | Live |
| GOLDSUN FOUNDRY LIMITED | Private company limited by shares | Live |
| GREAT CENTRAL FOUNDRY LIMITED -THE- | Private company limited by shares | Dissolved |
| HOP HING FOUNDRY FACTORY LIMITED | Private company limited by shares | Dissolved |
| KAM HING FOUNDRY & FORGING COMPANY LIMITED | Private company limited by shares | Dissolved |
| YEW LEAN FOUNDRY (HONG KONG) COMPANY LIMITED | Private company limited by shares | Live |
| HONG KONG TYPE FOUNDRY LIMITED -THE- | Private company limited by shares | Live |
| HUIHUANG FOUNDRY LIMITED | Private company limited by shares | Live |
| ELITE FOUNDRY INDUSTRY LIMITED | Private company limited by shares | Live |
| GENT-YEAR METAL FOUNDRY LIMITED | Private company limited by shares | Live |
| MING LEE METAL FOUNDRY LIMITED | Private company limited by shares | Live |
| YUEN KEE METAL FOUNDRY LIMITED | Private company limited by shares | Dissolved |
| PRECISION FOUNDRY LIMITED | Private company limited by shares | Dissolved |
| HENGSHENG PRECISION FOUNDRY FACTORY LIMITED | Private company limited by shares | Dissolved |
| PROFOUND FOUNDRY LIMITED | Private company limited by shares | Dissolved |
| QZ Serizawa Foundry Machinery Limited | Private company limited by shares | Live |
| SHENYUE FOUNDRY CO., LIMITED | Private company limited by shares | Live |
| TUNG SHING FOUNDRY LIMITED | Private company limited by shares | Live |
| Software Foundry Limited | Private company limited by shares | Live |
| SYSTEM FOUNDRY LIMITED | Private company limited by shares | Live |
| DIGITAL ASSETS TRADING FOUNDRY LIMITED | Private company limited by shares | Live |
| Benniston Transportation Foundry Limited | Private company limited by shares | Live |
| TRUE FOUNDRY COMPANY LIMITED | Private company limited by shares | Live |
| MOK LUK KEE METAL WORK FOUNDRY LIMITED | Private company limited by shares | Dissolved |