| Company Name | Type | Status |
|---|---|---|
| WINMAIL DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| WINMAIL DEVELOPMENT LIMITED | Private company limited by shares | Live |
| HONG KONG WINMAIL DEVELOPMENT COMPANY LIMITED | Private company limited by shares | Live |
| HONG KONG WINMAIL COMPANY LIMITED | Private company limited by shares | Live |
| WINMAIL TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Live |