| Ryerson China Investment Company Limited | Private company limited by shares | Dissolved |
| RYERSON CONSULTANTS LIMITED | Private company limited by shares | Live |
| RYERSON ENTERPRISE LIMITED | Private company limited by shares | Live |
| RYERSON ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| RYERSON INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| Ryerson Management Limited | Private company limited by shares | Live |
| RYERSON INTERNATIONAL TRADING LIMITED | Private company limited by shares | Live |
| RyeT Entertainment Limited | Private company limited by shares | Live |
| RyeVape Technology (HK) Co., Limited | Private company limited by shares | Live |
| R.Y.F. International Group Limited | Private company limited by shares | Live |
| Ryfaith (Hong Kong) Industrial Co., Limited | | Live |
| RYF(HK) TRADE LIMITED | Private company limited by shares | Live |
| RYFIND Technologies Limited | Private company limited by shares | Live |
| RYFINE SHIP SERVICE CORPORATION LIMITED | Private company limited by shares | Live |
| RYFORT CONSTRUCTION LIMITED | Private company limited by shares | Dissolved |
| R.Y.G. Company Limited | Private company limited by shares | Live |
| Ry.G Limited | | Live |
| Ryga Limited | Private company limited by shares | Live |
| RYGLOBAL TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Live |
| RYGTRAFFIC CO., LIMITED | Private company limited by shares | Live |
| RYHAM ELECTRONICS CO., LIMITED | Private company limited by shares | Live |
| RYHAN TRADING COMPANY LIMITED | Private company limited by shares | Live |
| STRONG RYHTHM LIMITED | Private company limited by shares | Live |
| Ryjx Limited | Private company limited by shares | Live |
| Ryka Limited | Private company limited by shares | Live |
| RYKAN ENTERPRISES PTY LIMITED | Private company limited by shares | Live |
| Rykan Enterprises Pty Limited | Private company limited by shares | Live |
| RYKAN GROUP PTY LIMITED | Private company limited by shares | Live |
| RYKANDA COMPANY LIMITED | Private company limited by shares | Live |
| RYKER COMPANY LIMITED | Private company limited by shares | Dissolved |
| Shenzhen Ryker Co., Limited | Private company limited by shares | Live |
| RYKOFF LIMITED | Private company limited by shares | Dissolved |
| RyKre Cyber Security Solution Limited | | Live |
| RYLAN HOLDING LIMITED | Private company limited by shares | Live |
| RYLANCE ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| RYLAND LIMITED | Private company limited by shares | Dissolved |
| RYLAND LIMITED | Private company limited by shares | Dissolved |
| LLEWELLYN RYLAND (CHINA) LIMITED | Private company limited by shares | Live |
| RYLAND (HONG KONG) LIMITED | Private company limited by shares | Live |
| Masei & Ryland eCommerce (Hong Kong) Co Limited | | Live |
| Ryland Technology Company Limited | Private company limited by shares | Live |
| Ryland Wikineon (Hong Kong) Co. Limited | | Live |
| RUSSELL RYLANDS LIMITED | Private company limited by shares | Live Commenced dormancy on 14-Jun-1995 |
| Rylation Co., Limited | | Live |
| RYLEES ASSOCIATES LIMITED | Private company limited by shares | Dissolved |
| RYLEX LIMITED | Private company limited by shares | Dissolved |
| RYLEY COMPANY LIMITED | Private company limited by shares | Dissolved |
| RYLOR TRADING LIMITED | Private company limited by shares | Live |
| KENTER RYLOX ENGINEERING & CONSTRUCTION CO., LIMITED | Private company limited by shares | Dissolved |
| RYMAN LIMITED | Private company limited by shares | Live |
| RYMAN INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| Ryman Trading Company Limited | Private company limited by shares | Live |
| RYMANDRA COMPANY LIMITED | Private company limited by shares | Dissolved |
| RYMAR LIMITED | Private company limited by shares | Dissolved |
| RYMART ONLINE LIMITED | Private company limited by shares | Live |
| RYMD COMPANY LIMITED | Private company limited by shares | Dissolved |
| RYMD ARCHITECTS LIMITED | Private company limited by shares | Live |
| RYME RESOURCES LIMITED | Private company limited by shares | Dissolved |
| RYMER INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| RYNBU CO., LIMITED | | Live |
| RYND INTERNATIONAL (HONG KONG) LIMITED | Private company limited by shares | Live |
| RYNESTONE HONG KONG LIMITED | Private company limited by shares | Live |
| RYNFIELD LIMITED | Private company limited by shares | Dissolved |
| Rynho Trading (Hong Kong) Limited | Private company limited by shares | Live |
| Ryno & Co. Limited | Private company limited by shares | Live |
| RYNO INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| RYNO NETWORK COMPANY LIMITED | | Live |
| Rynson Limited | Private company limited by shares | Live |
| RYNT Corp. Limited | Private company limited by shares | Live |
| RYNTEX HONG KONG LIMITED | Private company limited by shares | Live |
| Ryoaki HK LIMITED | Private company limited by shares | Live |
| RYOANJI LIMITED | Private company limited by shares | Live |
| RYOBI TRADING CO., LIMITED | Private company limited by shares | Live |
| RYOBI HONG KONG LIMITED | Private company limited by shares | Dissolved |
| Asia Bisou Ryodan Limited | Private company limited by shares | Live |
| RYODEN INTERNATIONAL (CHINA) GROUP LIMITED | Private company limited by shares | Live |
| RYODEN COMPUTER COMPANY LIMITED | Private company limited by shares | Dissolved |
| RYODEN ELECTRONICS LIMITED | Private company limited by shares | Dissolved |
| RYODEN ELEVATOR COMPANY LIMITED | Private company limited by shares | Live |
| RYODEN FIBRE GLASS ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| RYODEN FINANCE LIMITED | Private company limited by shares | Dissolved |
| Guangzhou Ryoden Trading Co., Limited | Private company limited by shares | Live |
| MITSUBISHI ELECTRIC RYODEN AIR-CONDITIONING & VISUAL INFORMATION SYSTEMS (HONG KONG) LIMITED | Private company limited by shares | Live |
| Ryoden (HongKong) Limited | Private company limited by shares | Live |
| RYODEN INTERNATIONAL LIMITED | Private company limited by shares | Live |
| RYODEN INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| RYODEN MACHINERY COMPANY LIMITED | Private company limited by shares | Dissolved |
| RYODEN MERCHANDISING COMPANY, LIMITED | Private company limited by shares | Dissolved |
| RYODEN PROPERTY AGENCIES COMPANY LIMITED | Private company limited by shares | Live |
| RYODEN PROPERTY FINANCE LIMITED | Private company limited by shares | Live |
| RYODEN RECREATION ASSOCIATION LIMITED | Company limited by guarantee | Live |
| RYODEN INTERNATIONAL TRADE LIMITED | Private company limited by shares | Dissolved |
| RyoFuDo Company Limited | Private company limited by shares | Live |
| SAKURA RYOHIN INTERNATIONAL (HK) CO., LIMITED | Private company limited by shares | Dissolved |
| RYOHIN KEIKAKU HONG KONG LIMITED | Private company limited by shares | Dissolved |
| MUJIRUSHI RYOHIN HONG KONG LIMITED | Private company limited by shares | Dissolved |
| USUI REIKI RYOHO HEALING ASSOCIATION LIMITED | Private company limited by shares | Live |
| RYOKA LIMITED | Private company limited by shares | Dissolved |
| RYOMA COMPANY LIMITED | Private company limited by shares | Dissolved |
| RYOMA COMPANY LIMITED | Private company limited by shares | Live |