| AIRFREIGHT USERS ASSOCIATION LIMITED | Private company limited by shares | Dissolved |
| HK INTERNET USERS ASSOCIATION LIMITED | Private company limited by shares | Dissolved |
| CEA - THE ASSOCIATION OF COMPUTER USERS IN ENGINEERING, ARCHITECTURE AND RELATED FIELDS LIMITED | Company limited by guarantee | Dissolved |
| USERS FRIENDLY COMPANY LIMITED | Private company limited by shares | Live |
| HONG KONG MICROSOFT USERS GROUP LIMITED | Company limited by guarantee | Dissolved |
| SHENZHEN USERSTON TECHNOLOGY LIMITED | Private company limited by shares | Live |