| 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 |
| RONYU ELECTRONICS INVESTMENT CO. LIMITED | Private company limited by shares | Live |
| Ronyuang Shareholding Co., Limited | Private company limited by shares | Live |
| Ronyuen Trade (HK) Limited | | Live |
| RONZ & KEEZ CO., LIMITED | Private company limited by shares | Dissolved |
| RONZ GROUP (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| Ronz Technology Co., Limited | Private company limited by shares | Live |
| RONZE LIMITED | Private company limited by shares | Live |
| Norway Ronzier International Co., Limited | | Live |