| WISS Company Limited | Private company limited by shares | Live |
| WISS LED LIMITED | Private company limited by shares | Live |
| WISS Hong Kong Co., Limited | Private company limited by shares | Live |
| WISSAIL CO., LIMITED | Private company limited by shares | Dissolved |
| AL WISSAM & CO., LIMITED | Private company limited by shares | Dissolved |
| WISSAM DUPAL FOR TRADING AND CATERING SERVICES CO., LIMITED | Private company limited by shares | Live |
| WISSCO INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| WISSE ELECTRONIC LIMITED | Private company limited by shares | Live |
| WEALTH WISSE LIMITED | | Live |
| WISSEC INTERNATIONAL ENTERPRISES CO., LIMITED | Private company limited by shares | Live |
| Wissen Company Limited | Private company limited by shares | Live |
| Wisshausen Casing Co., Limited | | Live |
| Wissio Limited | Private company limited by shares | Live |
| WISSMAR COMPANY LIMITED | Private company limited by shares | Live |