| WESTING LIMITED | Private company limited by shares | Dissolved |
| Westing Company Limited | Private company limited by shares | Live |
| WESTING HOLDING COMPANY LIMITED | Private company limited by shares | Dissolved |
| WESTING INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| Westingarea Supply Chain Limited | Private company limited by shares | Live |
| WESTINGCASTLE LIMITED | Private company limited by shares | Live |
| WESTINGHAM COMPANY LIMITED | Private company limited by shares | Dissolved |
| USA WESTINGHOUSE ELECTRIC ASIA CORPORATION LIMITED | Private company limited by shares | Live |
| WESTINGHOUSE ELECTRONICS LIMITED | Private company limited by shares | Live |
| HYUNDAI (WESTINGHOUSE) ELEVATOR COMPANY LIMITED | Private company limited by shares | Dissolved |
| WESTINGHOUSE ELECTRIC INTERNATIONAL INVESTMENTS COMPANY LIMITED | Private company limited by shares | Live |
| WESTINGHOUSE LIGHTING (H.K.) CORPORATION LIMITED | Private company limited by shares | Live |
| Westinghouse Asia Pacific Limited | Private company limited by shares | Live |
| Westinghouse Electric Asia Pacific Limited | Private company limited by shares | Live |
| United Westinghouse research Co., Limited | Private company limited by shares | Live |