| MAINHOLD DEVELOPMENT LIMITED | Private company limited by shares | Live |
| MAINHOME CONSTRUCTION LIMITED | Private company limited by shares | Live |
| MAINHOOD INVESTMENTS LIMITED | Private company limited by shares | Live |
| MAINHOPE INVESTMENT LIMITED | Private company limited by shares | Live |
| MAINHORN RESEARCH & INVESTMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| MAINHORSE ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| MAINHORSE INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| MAINHOUSE ELECTRONICS COMPANY LIMITED | Private company limited by shares | Live |