| WACK LIMITED | Private company limited by shares | Live |
| Wack! Limited | | Live |
| WACKER CHEMICALS CHINA LIMITED | Private company limited by shares | Dissolved |
| WACKER CHEMICALS HONG KONG LIMITED | Private company limited by shares | Live |
| WACKER CHEMIE AG LIMITED | Private company limited by shares | Live |
| WACKER ENGINEERING LIMITED | Private company limited by shares | Live |
| WACKER INDUSTRIAL COMPANY LIMITED | Private company limited by shares | Live |
| WACKER INVESTMENT LIMITED | Private company limited by shares | Live |
| WACKER NEUSON LIMITED | Private company limited by shares | Live |
| WACKER PROPERTY MANAGEMENT LIMITED | Private company limited by shares | Live |
| Wacker Trading Co., Limited | Private company limited by shares | Live |
| WACKES (HK) LIMITED | Private company limited by shares | Live |
| WACKO INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |