| MASSCO COMPANY LIMITED | Private company limited by shares | Dissolved |
| MASSCO CORPORATION LIMITED | Private company limited by shares | Live |
| MASSCO DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| MASSCO ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| MASSCO ENTERPRISES LIMITED | Private company limited by shares | Live |
| MASSCO INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| MASSCO INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| MASSCO INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| MASSCO OVERSEAS LIMITED | Private company limited by shares | Dissolved |
| MASSCOM GLOBAL COMMUNICATIONS LIMITED | Private company limited by shares | Live |
| NIHAO MASSCOM LIMITED | Private company limited by shares | Live |
| MASSCON LIMITED | Private company limited by shares | Dissolved |
| MASSCOPE LIMITED | Private company limited by shares | Dissolved |
| MASSCORP HOLDINGS LIMITED | Private company limited by shares | Live |
| HONG KONG MASSCORP INVESTMENT HOLDING LIMITED | Private company limited by shares | Dissolved |
| MASSCORP LIGHTING AND LUMINARIES LIMITED | Private company limited by shares | Dissolved |
| Masscorp Products Company Limited | Private company limited by shares | Dissolved |
| MASSCOUTURE LIMITED | Private company limited by shares | Dissolved |