| RONSON COMPANY LIMITED | Private company limited by shares | Dissolved |
| RONSON ASIA LIMITED | Private company limited by shares | Dissolved |
| DR. RONSON LI & ASSOCIATES LIMITED | Private company limited by shares | Dissolved |
| RONSON BEAUTY LIMITED | Private company limited by shares | Live |
| RONSON BROTHERS, LIMITED | Private company limited by shares | Dissolved |
| KAM & RONSON COMPUTERS (H.K.) LIMITED | Private company limited by shares | Live |
| RONSON ELECTRONICS CO., LIMITED | Private company limited by shares | Dissolved |
| Ronson Engineering Limited | Private company limited by shares | Live |
| Ronson System Engineering Limited | Private company limited by shares | Live |
| KAM & RONSON ENTERPRISE COMPANY LIMITED | Private company limited by shares | Live |
| KAM & RONSON ENTERTAINMENT LIMITED | Private company limited by shares | Live |
| HK RONSON INT'L GROUP CO., LIMITED | Private company limited by shares | Dissolved |
| RONSON INT'L (HK) LIMITED | Private company limited by shares | Dissolved |
| Ronson (Hong Kong) Limited | Private company limited by shares | Dissolved |
| RONSON TRADE (HONG KONG) CO., LIMITED | Private company limited by shares | Live |
| Ronson International (Hong Kong) Limited | | Live |
| RONSON INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| RONSON INDUSTRIAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| RONSON INDUSTRIAL (HONGKONG) CO., LIMITED | Private company limited by shares | Live |
| RONSON INDUSTRIAL & TRADING CO., LIMITED | Private company limited by shares | Dissolved |
| RONSON INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| RONSON INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| JJ Ronson International Limited | Private company limited by shares | Live |
| Ronson International Limited | Private company limited by shares | Live |
| Ronson International Company Limited | | Live |
| RONSON INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| RONSON INVESTMENT (HK) LIMITED | Private company limited by shares | Live |
| RONSON MEDICAL EQUIPMENT COMPANY LIMITED | Private company limited by shares | Live |
| RONSON PACIFIC LIMITED | Private company limited by shares | Dissolved |
| RONSON PROPERTIES LIMITED | Private company limited by shares | Dissolved |
| RONSON RESTAURANT LIMITED | Private company limited by shares | Dissolved |
| Ronson Technology Limited | Private company limited by shares | Live |
| RONSON COMMERCE TRADE LIMITED | Private company limited by shares | Dissolved |
| RONSON TRADING LIMITED | Private company limited by shares | Dissolved |
| Ronson Trading Company Limited | Private company limited by shares | Live |
| RONSON (CHINA) TRADING CO. LIMITED | Private company limited by shares | Dissolved |
| Ronson International Trading Limited | | Live |
| RONSON TRANSPORT COMPANY LIMITED | Private company limited by shares | Dissolved |
| Ronson Wellfat Limited | Private company limited by shares | Live |
| Ronsonda(HongKong)Group Co., Limited | | Live |