| Company Name | Type | Status |
|---|---|---|
| HK LETTERS LIMITED | Private company limited by shares | Live |
| Red Letters Limited | Private company limited by shares | Live |
| DREAM LETTERS INVESTMENT CO., LIMITED | Private company limited by shares | Live |
| Love Letters Limited | Private company limited by shares | Live |
| HK LETTERSPEED TRADE CO., LIMITED | Private company limited by shares | Live |
| LETTERSTON LIMITED | Private company limited by shares | Dissolved |