| MANSFIEL TECHNOLOGY LIMITED | Private company limited by shares | Live |
| MANSFIELD COMPANY, LIMITED | Private company limited by shares | Dissolved |
| S. T. MANSFIELD COMPANY LIMITED | Private company limited by shares | Dissolved |
| MANSFIELD LIMITED | Private company limited by shares | Dissolved |
| MANSFIELD LIMITED | Private company limited by shares | Dissolved |
| MANSFIELD ASIA LIMITED | Private company limited by shares | Dissolved |
| MANSFIELD ASIA LIMITED | | Live |
| MANSFIELD ENTERPRISES LIMITED | Private company limited by shares | Live |
| MANSFIELD INC. LIMITED | Private company limited by shares | Live |
| MANSFIELD INVESTMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| MANSFIELD INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| MANSFIELD INVESTMENT LIMITED | Private company limited by shares | Live |
| MANSFIELD REALTY COMPANY LIMITED | Private company limited by shares | Live |