| WESTIN LIMITED | Private company limited by shares | Dissolved |
| WESTIN LIMITED | Private company limited by shares | Dissolved |
| WESTIN LIMITED | Private company limited by shares | Live |
| Westin Compound Co., Limited -The- | Private company limited by shares | Live |
| QUANZHOU WESTIN IMP & EXP CO., LIMITED | Private company limited by shares | Live |
| WESTIN ENTERPRISES LIMITED | Private company limited by shares | Live |
| WESTIN GROUP LIMITED | Private company limited by shares | Live |
| USA WESTIN HEALTH INDUSTRY (ASIA) INVESTMENT LIMITED | Private company limited by shares | Live |
| WESTIN (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| WESTIN INDUSTRIAL LIMITED | Private company limited by shares | Live |
| WESTIN INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| WESTIN VICTORIA MANAGEMENT LIMITED | Private company limited by shares | Dissolved |
| WESTIN PROPERTIES LIMITED | Private company limited by shares | Dissolved |
| WESTIN TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| WESTIN TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |
| WESTINE LIMITED | Private company limited by shares | Live |
| WESTINEE ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| 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 |
| WESTINHOST (FAR EAST) LIMITED | Private company limited by shares | Live |
| WESTINVEST HK LIMITED | Private company limited by shares | Dissolved |