| RYON COMPANY LIMITED | Private company limited by shares | Dissolved |
| RYONG ELECTRONICS HONG KONG LIMITED | Private company limited by shares | Live |
| KOREA RUNGRADO RYONGAK TRADING CO., LIMITED | Private company limited by shares | Dissolved |
| HONGKONG RYONGHUN TRADING CO., LIMITED | Private company limited by shares | Live |
| RYOOSEI INT'L CO., LIMITED | Private company limited by shares | Live |
| RYOR WEB DESIGNS LIMITED | Private company limited by shares | Dissolved |
| RYOR INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| ASAHI TARO NIPPON RYORI COMPANY LIMITED | Private company limited by shares | Dissolved |
| RYO-SAKU (HK) LIMITED | Private company limited by shares | Live |
| RYOTA LIMITED | Private company limited by shares | Live |
| HONG KONG RYOTECH CO., LIMITED | Private company limited by shares | Dissolved |
| RYOTOKU SEIMITSU LIMITED | Private company limited by shares | Dissolved |
| RYOU YU COMPANY LIMITED | Private company limited by shares | Dissolved |
| Ryoudo Limited | | Live |
| RYOUHAN LIMITED | Private company limited by shares | Dissolved |
| RYOUNKAKU LIMITED | Private company limited by shares | Live |
| Ryouri Limited | | Live |
| Ryoutou Tours Limited | Private company limited by shares | Live |
| RYOVILLA COMPANY LIMITED | Private company limited by shares | Dissolved |
| RYOWAY INTERNATIONAL LIMITED | Private company limited by shares | Live |
| RYOWO ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| RYOWO (HOLDING) COMPANY LIMITED | Private company limited by shares | Live |
| RYOWO THERMAL LIMITED | Private company limited by shares | Live |
| RYPHONTECH INDUSTRIAL CO., LIMITED | Private company limited by shares | Live |
| RYQT Surveying Company Limited | Private company limited by shares | Live |
| RYSAFFE LIMITED | Private company limited by shares | Dissolved |
| RYSEN COMPANY LIMITED | Private company limited by shares | Live |
| RYSER & ASSOCIATES LIMITED | Private company limited by shares | Live |
| R.Y.Slim (USA) Healthcare Management Co., Limited | Private company limited by shares | Live |
| Rysmart Technology Co., Limited | Private company limited by shares | Live |
| Ryson Limited | Private company limited by shares | Live |
| Rysser Limited | | Live |
| RYSTAL LIMITED | Private company limited by shares | Live |
| RYSTAR COMPANY LIMITED | Private company limited by shares | Dissolved |
| RYSTIN INTERNATIONAL TRADING LIMITED | Private company limited by shares | Live |
| RYSTO HOSPITALITY LIMITED | Private company limited by shares | Live |
| RYSUN COMPANY LIMITED | Private company limited by shares | Live |
| R.Y.T TECHNOLOGY LIMITED | Private company limited by shares | Live |
| RYTC TRADE LIMITED | Private company limited by shares | Live |
| RYTE (HONG KONG) INDUSTRIAL LIMITED | Private company limited by shares | Live |
| RYTEN INDUSTRIAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| RYTHM Foundation Limited | Company limited by guarantee | Live |
| RYTHM INTERNATIONAL (HK) LIMITED | Private company limited by shares | Live |
| RYTHMIC COMPANY LIMITED | Private company limited by shares | Dissolved |
| RYTI CAPITAL LIMITED | Private company limited by shares | Live |
| RYTIC Technology (Hongkong) Industrial Co., Limited | Private company limited by shares | Live |
| RYTON LIMITED | Private company limited by shares | Dissolved |
| RYUAN ELECTRONICS CO., LIMITED | Private company limited by shares | Live |
| RYUDEN CO LIMITED | | Live |
| Ryuei Limited | Private company limited by shares | Live |
| Ryuen HK Limited | Private company limited by shares | Live |
| RYUGEN INTERNATIONAL TRADING LIMITED | Private company limited by shares | Dissolved |
| WASEDA RYUHEI MARINE ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| RYUJI ENTERPRISE COMPANY LIMITED | Private company limited by shares | Live |
| Ryuji Finance Company Limited | Private company limited by shares | Live |
| RYU-K COMPANY LIMITED | Private company limited by shares | Live |
| RYUKAKUSAN (HONG KONG) COMPANY LIMITED | Private company limited by shares | Live |
| RYUKIL (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| CHINESE NATION RYUKYU SPECIAL AUTONOMOUS REGION LIMITED | Private company limited by shares | Live |
| RYUKYU ESTATE LIMITED | Private company limited by shares | Dissolved |
| RYUKYU HEALTH COMPANY LIMITED | Private company limited by shares | Live |
| Ryukyu Culture and Social Economy Protection Union Limited | Private company limited by shares | Live |
| RYUMA COMPANY LIMITED | Private company limited by shares | Dissolved |
| WHA RYUN ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| HK RYUN TRADING LIMITED | | Live |
| HEUNG RYUNG HONG KONG LIMITED | Private company limited by shares | Live |
| MIN RYUNG HONG LIMITED | Private company limited by shares | Dissolved |
| Ryusaki Limited | Private company limited by shares | Live |
| AMOI RYUSAN TRADING COMPANY LIMITED | Private company limited by shares | Live |
| RYUSHO INDUSTRIAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| HK RYUSHODA TECHNOLOGY INFORMATION COMPANY LIMITED | Private company limited by shares | Dissolved |
| HAKATA RAMEN RYUTEI LIMITED | Private company limited by shares | Live |
| IZAKAYA RYUTEI LIMITED | Private company limited by shares | Live |
| Ryuu Art Limited | Private company limited by shares | Live |
| RyuVision Holding Limited | Private company limited by shares | Live |
| RYUZANDO CO., LIMITED | Private company limited by shares | Live |
| Ryuzen Limited | | Live |
| RYVALE LIMITED | Private company limited by shares | Dissolved |
| RYW-Interbusiness Limited | Private company limited by shares | Live |
| Ryxin Trade Limited | | Live |
| Ryzon Limited | | Live |
| RYZZ HK LIMITED | Private company limited by shares | Live |