| Company Name | Type | Status |
|---|---|---|
| HEADMASTER LIMITED | Private company limited by shares | Dissolved |
| HEADMASTER LIMITED | Private company limited by shares | Live |
| HEADMASTER INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| HEADMASTER MANUFACTORY LIMITED | Private company limited by shares | Live |
| HEADMASTER HEADWEAR (MFG) LIMITED | Private company limited by shares | Live |
| Headmasters Limited | Private company limited by shares | Live |
| Global Secondary School Headmasters Forum Limited | Private company limited by shares | Live |