| O'Rio Limited | Private company limited by shares | Dissolved |
| ORI-OCI TRADING LIMITED | Private company limited by shares | Dissolved |
| GUANGDONG ORIOL INDUSTRIAL AND TRADING LIMITED | Private company limited by shares | Live |
| Spain Rosa Oriol Lubricating Oil Co., Limited | Private company limited by shares | Live |
| ORIOLE COMPANY LIMITED | Private company limited by shares | Dissolved |
| ORIOLE PROPERTIES LIMITED | Private company limited by shares | Live |
| ORIOLUS (HONG KONG) COMPANY LIMITED | Private company limited by shares | Live |
| ORION LIMITED | Private company limited by shares | Dissolved |
| ORION LIMITED | Private company limited by shares | Live |
| ORION ITS LIMITED | Private company limited by shares | Dissolved |
| SKY ORION COMPANY LIMITED | Private company limited by shares | Live |
| ORION CPA LIMITED | Private company limited by shares | Live |
| ORION K HK LIMITED | Private company limited by shares | Dissolved |
| ORION OIL LIMITED | Private company limited by shares | Live |
| GWC Orion Limited | Private company limited by shares | Live |
| ORION AP LIMITED | Private company limited by shares | Live |
| ORION INC LIMITED | Private company limited by shares | Live |
| Orion PTR Company Limited | Private company limited by shares | Live |
| DON ORION COMPANY LIMITED | | Live |
| Orion Arm HK Limited | | Live |
| ORION ADVERTISING LIMITED | Private company limited by shares | Dissolved |
| ORION ESTATE AGENCIES LIMITED | Private company limited by shares | Live |
| Annie Orion Capital Limited | Private company limited by shares | Live |
| ORION ASIA LIMITED | Private company limited by shares | Live |
| Orion Biomedical Limited | Private company limited by shares | Live |
| Orion Capital Limited | Private company limited by shares | Live |
| J. Champion Orion Limited | Private company limited by shares | Live |
| ORION CLOTHING COMPANY LIMITED | Private company limited by shares | Live |
| ORION ASIA TRADE CO., LIMITED | Private company limited by shares | Live |
| Orion Chemicals Co., Limited | Private company limited by shares | Live |
| ORION NEW ENTERPRISE CO., LIMITED | Private company limited by shares | Live |
| Orion Asia Holding Co., Limited | Private company limited by shares | Live |
| ORION INDUSTRY AND TRADE CO., LIMITED | Private company limited by shares | Live |
| ORION INVESTMENT HOLDING CO., LIMITED | Private company limited by shares | Dissolved |
| SHENZHEN ORION CO., LIMITED | Private company limited by shares | Live |
| Orion Sports Co., Limited | Private company limited by shares | Live |
| ORION COLLECTIONS LIMITED | Private company limited by shares | Live |
| Orion Consultancy Limited | | Live |
| ORION CONSULTING LIMITED | Private company limited by shares | Dissolved |
| ORION CONSULTING LIMITED | Private company limited by shares | Live |
| Orion 88 Consulting Limited | | Live |
| PAN ORION Corp. Limited | Private company limited by shares | Live |
| Corporacion Orion CA Limited | Private company limited by shares | Live |
| ORION CORPORATE RESOURCES LIMITED | Private company limited by shares | Dissolved |
| ORION CREATIONS LIMITED | Private company limited by shares | Dissolved |
| ORION DEVICES CO. LIMITED | Private company limited by shares | Live |
| ORION DIAMOND LIMITED | Private company limited by shares | Live |
| Orion (Diamond Hill) Co. Limited | Private company limited by shares | Live |
| Orion Divine Limited | Private company limited by shares | Live |
| Orion Far East Pte Limited | Private company limited by shares | Live |
| ORION RESEARCH FAR EAST LIMITED | Private company limited by shares | Dissolved |
| ORION ELECTRIC COMPANY LIMITED | Private company limited by shares | Dissolved |
| Orion Electronic Industry Limited | Private company limited by shares | Live |
| HK ORION ELECTRONICS LIMITED | Private company limited by shares | Live |
| ORION ENGINEERING LIMITED | Private company limited by shares | Live |
| ORION ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| ORION ENTERPRISES LIMITED | Private company limited by shares | Live |
| Orion Express Company Limited | | Live |
| NINGBO ORION FASTENERS LIMITED | Private company limited by shares | Live |
| Orion Finance Limited | Private company limited by shares | Live |
| ORION FOODS LIMITED | Private company limited by shares | Live |
| ORION FOOTWEAR FAREAST LIMITED | Private company limited by shares | Dissolved |
| Orion Gears Limited | Private company limited by shares | Live |
| Global Orion Limited | Private company limited by shares | Dissolved |
| ORION GLOBAL LIMITED | Private company limited by shares | Live |
| ORION GLOBAL HUMAN CAPITAL LIMITED | Private company limited by shares | Live |
| ORION GLOBAL TRADING LIMITED | Private company limited by shares | Dissolved |
| ORION (GLOBAL) TRADING LIMITED | | Live |
| ORION GLOVES LIMITED | Private company limited by shares | Dissolved |
| HK ORION GROUP LIMITED | Private company limited by shares | Dissolved |
| ORION GROUP LIMITED | Private company limited by shares | Live |
| ORION CONSULTING GROUP LIMITED | Private company limited by shares | Dissolved |
| Orion Finance Group Limited | Private company limited by shares | Live |
| ORION (HONG KONG) GROUP LIMITED | Private company limited by shares | Live |
| ORION GROUP S.A. LIMITED | Private company limited by shares | Live |
| ORION (HONG KONG) COMPANY LIMITED | Private company limited by shares | Live |
| ORION SHIPPING (HONG KONG) LIMITED | | Live |
| ORION IMPRESA LIMITED | Private company limited by shares | Live |
| ORION INCORPORATION LIMITED | Private company limited by shares | Dissolved |
| ORION INCORPORATION LIMITED | Private company limited by shares | Live |
| ORION INDUSTRIAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| ORION INDUSTRY LIMITED | Private company limited by shares | Live |
| Orion Intelligent Technologies Limited | Private company limited by shares | Live |
| ORION INTERNATIONALE LIMITED | Private company limited by shares | Dissolved |
| ORION INV. HOLDING LIMITED | Private company limited by shares | Live |
| ORION INVESTA LIMITED | Private company limited by shares | Dissolved |
| ORION INVESTIGATIONS LIMITED | Private company limited by shares | Live |
| ORION INVESTMENT CO. LIMITED | Private company limited by shares | Live |
| Orion HK Investment Limited | Private company limited by shares | Live |
| Orion Investment Holding Limited | Private company limited by shares | Live |
| Orion Kinetics Limited | | Live |
| ORION ENERGY (HONG KONG) CO., LIMITED | Private company limited by shares | Live |
| Orion Properties (Hong Kong) Company Limited | Private company limited by shares | Live |
| DONGGUAN ORION TECHNOLOGY (HONG KONG) LIMITED | Private company limited by shares | Live |
| ORION TRANSPORT LAMPS LIMITED | Private company limited by shares | Live |
| Orion LifeTech (Asia) Limited | Private company limited by shares | Live |
| ORION LINK LIMITED | Private company limited by shares | Live |
| ORION MANAGEMENT LIMITED | Private company limited by shares | Live |
| ORION ASSET MANAGEMENT LIMITED | | Live |
| ORION ENDURANCE MANAGEMENT LIMITED | Private company limited by shares | Live |