| RONSACE COMPANY LIMITED | Private company limited by shares | Live |
| RONSAN COMPANY LIMITED | Private company limited by shares | Dissolved |
| RONSAY LIMITED | Private company limited by shares | Dissolved |
| RONSDALE LIMITED | Private company limited by shares | Dissolved |
| RONSDALE ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| RONSDALE INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| RonSearch Limited | Private company limited by shares | Live |
| RONSED LIMITED | Private company limited by shares | Live |
| RONSEN LIMITED | Private company limited by shares | Dissolved |
| Ronsen Group Limited | | Live |
| RONSEN TRADING LIMITED | Private company limited by shares | Live |
| RONSET (H.K.) LIMITED | Private company limited by shares | Dissolved |
| RONSFORD COMPANY LIMITED | Private company limited by shares | Dissolved |
| RONSHEE INDUSTRIAL GROUP LIMITED | Private company limited by shares | Live |
| RONSHEN ELECTRIC HOLDING CO., LIMITED | Private company limited by shares | Live |
| Ronsheng Industrial Development Co., Limited | Private company limited by shares | Live |
| Ronsheng Group (HK) Limited | Private company limited by shares | Live |
| RONSHENG (HK) INDUSTRIAL CO., LIMITED | Private company limited by shares | Live |
| RONSIL LIMITED | Private company limited by shares | Dissolved |
| RONSING LIMITED | Private company limited by shares | Dissolved |
| RONSOME LIMITED | Private company limited by shares | Dissolved |
| 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 |
| RONSTARS INSTITUTE OF SELF-ACTUALIZATION COMPANY LIMITED | Private company limited by shares | Live |
| RONSTEAD LIMITED | Private company limited by shares | Dissolved |
| RONSTON LIMITED | Private company limited by shares | Dissolved |
| RONSTON INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| RONSWELL LIMITED | Private company limited by shares | Live |
| RONSY (CHINA) INVESTMENT MANAGEMENT LIMITED | Private company limited by shares | Dissolved |
| Ronsycs (Hong Kong) Limited | Private company limited by shares | Live |
| Ronta Limited | Private company limited by shares | Live |
| RONTAC RESOURCES COMPANY LIMITED | Private company limited by shares | Live |
| RONTAR COMPANY LIMITED | Private company limited by shares | Dissolved |
| RONTEC INTERNATIONAL GROUP LIMITED | Private company limited by shares | Live |
| RONTECH CO., LIMITED | | Live |
| RONTECH PETROLEUM (HONG KONG) LIMITED | Private company limited by shares | Live |
| RONTEX COMPANY LIMITED | Private company limited by shares | Dissolved |
| RONTEX LIMITED | Private company limited by shares | Live Commenced dormancy on 09-Mar-2004 |
| RONTEX ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| RONTEX INVESTMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| RONTEX KNITTING MILL LIMITED | Private company limited by shares | Dissolved |
| SHANGHAI RONTEX COMPANY LIMITED | Private company limited by shares | Dissolved |
| RONTGEN LIMITED | Private company limited by shares | Live |
| RONTIC INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| RONTIFF LIMITED | Private company limited by shares | Dissolved |
| RONTO LIMITED | Private company limited by shares | Live |
| RONTON LIMITED | Private company limited by shares | Live |
| RONTON INVESTMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| RONTORS LIMITED | Private company limited by shares | Live |
| RONTREE LIMITED | Private company limited by shares | Dissolved |
| RONTZ LIMITED | Private company limited by shares | Dissolved |
| RONVITAL INT'L (HONG KONG) LIMITED | Private company limited by shares | Live |
| RONWAY LIMITED | Private company limited by shares | Dissolved |
| RONWEI ENTERPRISE CO., LIMITED | Private company limited by shares | Live |
| RONY INDUSTRY CO., LIMITED | Private company limited by shares | Live |
| RONY ELECTRONIC LIMITED | Private company limited by shares | Live |
| RONY INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| RONY SHAPE LIMITED | Private company limited by shares | Live |
| RonY Technology Limited | Private company limited by shares | Live |
| RONYES INTERNATIONAL TRADING (HK) LIMITED | Private company limited by shares | Live |
| Ronyi Limited | | Live |
| RONYO ELECTRONICS (HONG KONG) CO., LIMITED | Private company limited by shares | Live |