| ORION LUCKY STAR LIMITED | Private company limited by shares | Live |
| ORION STARS LIMITED | Private company limited by shares | Live |
| ORION STPK LIMITED | | Live |
| ORION STUDIO LIMITED | Private company limited by shares | Live |
| ORION TECH HK LIMITED | Private company limited by shares | Live |
| ORION TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| Orion Technologies Limited | Private company limited by shares | Live |
| ORION TECHNOLOGY LIMITED | Private company limited by shares | Live |
| ORION INNOVATING TECHNOLOGY LIMITED | Private company limited by shares | Live |
| ORION HONG KONG TOURS LIMITED | Private company limited by shares | Dissolved |
| ORION TRADE COMPANY LIMITED | Private company limited by shares | Dissolved |
| ORION TRADING LIMITED | Private company limited by shares | Dissolved |
| ORION TRADING LIMITED | Private company limited by shares | Dissolved |
| ORION TRADING COMPANY LIMITED | Private company limited by shares | Live |
| Orion Trading HK Limited | Private company limited by shares | Live |
| Orion Asia Trading Limited | Private company limited by shares | Live |
| Orion Minerals Trading Limited | Private company limited by shares | Live |
| ORION RESOURCES (TRADING) LIMITED | Private company limited by shares | Live |
| Orion3 Founders Limited | Private company limited by shares | Live |
| ORIONATION DEVELOPMENT LIMITED | | Live |
| ORIONCOM LIMITED | Private company limited by shares | Live |
| ORIONIDS TRADING COMPANY LIMITED | Private company limited by shares | Live |
| ORION'S CREATIONS (H.K.) COMPANY LIMITED | Private company limited by shares | Dissolved |
| ORIONSON (HK) LIMITED | Private company limited by shares | Dissolved |
| OrionTek (china) Co., Limited | Private company limited by shares | Live |
| Orionway Limited | Private company limited by shares | Live |
| ORIONWAY HK LIMITED | Private company limited by shares | Live |
| Oriorcap Limited | Private company limited by shares | Live |
| ORIPAC COMPANY LIMITED | Private company limited by shares | Live |
| ORIPAC ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| ORIPACK LIMITED | Private company limited by shares | Live |
| ORIPH GROUP LIMITED | Private company limited by shares | Live |
| Shenzhen Oriphe Technology Limited | Private company limited by shares | Live |
| ORIPIX HONG KONG LIMITED | Private company limited by shares | Dissolved |
| Oripow Technology Co., Limited | Private company limited by shares | Live |
| ORIPUMA INVESTMENTS LIMITED | Private company limited by shares | Live Ceased dormancy on 27-Apr-2016 |
| ORIS LIMITED | Private company limited by shares | Dissolved |
| ORIS ASIA LIMITED | Private company limited by shares | Live |
| ORIS ASSETS LIMITED | | Live |
| ORIS (GREATER CHINA) COMPANY LIMITED | Private company limited by shares | Live |
| ORIS EXHIBITION LIMITED | Private company limited by shares | Live |
| ORIS GROUP LIMITED | Private company limited by shares | Live |
| SHANGHAI ORIS INDUSTRIAL CO., LIMITED | | Live |
| SENG ORIS FS LIMITED | | Live |
| ORIS TRADING LIMITED | Private company limited by shares | Live |
| ORIS WATCHES HK LIMITED | Private company limited by shares | Live |
| ORISE ENTERPRISE LIMITED | Private company limited by shares | Live |
| Orisen Holdings Limited | Private company limited by shares | Dissolved |
| ORISEN TRADING (HONGKONG) COMPANY LIMITED | Private company limited by shares | Live |
| Orish Technology Limited | Private company limited by shares | Live |
| ORISHELL LIMITED | Private company limited by shares | Live |
| ORISHI YUUKI INTERNATIONAL TRADING LIMITED | Private company limited by shares | Live |
| ORISHINE INTERNATIONAL TRADING COMPANY LIMITED | Private company limited by shares | Live |
| ORISING LIMITED | Private company limited by shares | Live |
| ORISON & COMPANY LIMITED | Private company limited by shares | Dissolved |
| ORISON COMPANY LIMITED | Private company limited by shares | Live |
| ORISSA INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| Orist Limited | Private company limited by shares | Live |
| ORISTAND TRADE LIMITED | Private company limited by shares | Live |
| ORISTANO LIMITED | Private company limited by shares | Dissolved |
| ORISTATION HONG KONG LIMITED | Private company limited by shares | Live |
| ORISTONE ENTERPRISE LIMITED | Private company limited by shares | Live |
| ORISUN TECHNOLOGY CO., LIMITED | Private company limited by shares | Dissolved |
| Shenzhen Orisun Technology Co., Limited | Private company limited by shares | Live |
| ORISUN ELECTRONICS (HK) CO., LIMITED | Private company limited by shares | Live |
| ORISUN.COM GROUP LIMITED | Private company limited by shares | Dissolved |
| ORISUN.COM (HK) LIMITED | Private company limited by shares | Dissolved |
| ORISUN.COM HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| ORISUN.COM INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| Ori-sys Technology Limited | | Live |
| OriTea Group Limited | Private company limited by shares | Live |
| ORI-TECH COMPANY LIMITED | Private company limited by shares | Live |
| ORI-TECH COMPANY LIMITED | Private company limited by shares | Live |
| Oritecture Limited | Private company limited by shares | Live |
| PHOENIX ORITENTIAL TEA LIMITED | Private company limited by shares | Live |
| ORITEX INTERNATIONAL LIMITED | Private company limited by shares | Live |
| Oritex Printing Company Limited | Private company limited by shares | Live |
| ORITO CERAMICS COMPANY LIMITED | Private company limited by shares | Live |
| Orito Stone Co., Limited | Private company limited by shares | Live |
| ORITO STONE GROUP LIMITED | Private company limited by shares | Live |
| ORITO STONE GROUP LIMITED | Private company limited by shares | Live |
| ORITRON COMPANY LIMITED | Private company limited by shares | Live |
| ORITRON SCIENTIFIC CO., LIMITED | Private company limited by shares | Dissolved |
| Oriuni Limited | Private company limited by shares | Live |
| ORIUS LIMITED | Private company limited by shares | Dissolved |
| ORIUS VENTURE LIMITED | Private company limited by shares | Live |
| OriusCapital Limited | Private company limited by shares | Live |
| ORIVET GENETICS ASIA LIMITED | Private company limited by shares | Live |
| BC ORIX LIMITED | Private company limited by shares | Dissolved |
| ORIX LIMITED | Private company limited by shares | Live |
| Orix Insurance Agency Co., Limited | Private company limited by shares | Live |
| ORIX ASIA LIMITED | Private company limited by shares | Live |
| ORIX Asia Capital Limited | Private company limited by shares | Live |
| ORIX Aviation Hong Kong Limited | Private company limited by shares | Live |
| ORIX ENTERPRISE CO., LIMITED | Private company limited by shares | Live |
| Orix Consulting Co., Limited | Private company limited by shares | Live |
| ORIX GLOBAL LIMITED | Private company limited by shares | Live |
| FRANCE ORIX GROUP LIMITED | Private company limited by shares | Dissolved |
| ORIX HOLDINGS INTERNATIONAL CAPITAL LIMITED | Private company limited by shares | Live |
| ORIX FINANCE HONG KONG LIMITED | Private company limited by shares | Dissolved |