| Oraios Limited | Private company limited by shares | Live |
| Orakle Limited | Private company limited by shares | Live |
| ORAKPO LIMITED | Private company limited by shares | Dissolved |
| JCE Oral Care Limited | Private company limited by shares | Live |
| CHINA ORAL EQUIPMENT CO., LIMITED | Private company limited by shares | Live |
| CHINA ORAL INDUSTRY GROUP LIMITED | Private company limited by shares | Live |
| China Oral Medical Group Limited | Private company limited by shares | Live |
| China Oral Medical Group Limited | Private company limited by shares | Live |
| CHINA ORAL MEDICAL RESEARCH LIMITED | Private company limited by shares | Live |
| ORAL REHABILITATION CENTRE LIMITED | Private company limited by shares | Live |
| CENTRE FOR ORAL REHABILITATION LIMITED | Private company limited by shares | Live |
| HK ZHIMEI ORAL OUTPATIENT LIMITED | Private company limited by shares | Live |
| Oralcare4u Electronic Co., Limited | Private company limited by shares | Live |
| ORALE INTERNATIONAL INTELLIGENT TECHNOLOGY LIMITED | Private company limited by shares | Live |
| ORALED LIMITED | Private company limited by shares | Live |
| New Oraled Limited | Private company limited by shares | Live |
| Oralee Diamonds and Jewellery Limited | Private company limited by shares | Live |
| Oralmat Limited | Private company limited by shares | Live |
| Oralome Ecological R&D Center Limited | | Live |
| Oralyon Limited | | Live |
| ORAMAX LIMITED | Private company limited by shares | Live |
| Oramed HK Limited | Private company limited by shares | Live |
| ORAMI LIMITED | Private company limited by shares | Live |
| Oramo Limited | Private company limited by shares | Live |
| ORAN LIMITED | Private company limited by shares | Dissolved |
| TOP ORAN LIMITED | Private company limited by shares | Dissolved |
| ORANCON HOLDING LIMITED | Private company limited by shares | Live |
| ORAND ACE LIMITED | Private company limited by shares | Dissolved |
| ORANDA MACHINERY CO., LIMITED | Private company limited by shares | Live |
| ORANDO LIMITED | Private company limited by shares | Dissolved |
| ORANE HK LIMITED | Private company limited by shares | Live |
| ORANGA LIMITED | Private company limited by shares | Dissolved |
| ORANGE TIP COMPANY LIMITED | Private company limited by shares | Dissolved |
| ORANGE LIMITED | Private company limited by shares | Dissolved |
| ORANGE LIMITED | Private company limited by shares | Live |
| ORANGE ZEN LIMITED | Private company limited by shares | Live |
| JP ORANGE LIMITED | Private company limited by shares | Dissolved |
| ORANGE ORANGE LIMITED | Private company limited by shares | Live |
| ORANGE IT 3C LIMITED | Private company limited by shares | Dissolved |
| TOP ORANGE LIMITED | Private company limited by shares | Live |
| ABC Orange Limited | Private company limited by shares | Live |
| RED ORANGE LIMITED | Private company limited by shares | Live |
| RED AND ORANGE LIMITED | Private company limited by shares | Live |
| New Orange Limited | Private company limited by shares | Live |
| Orange Gf Limited | Private company limited by shares | Live |
| Orange Way Limited | Private company limited by shares | Live |
| MAX ORANGE COMPANY LIMITED | Private company limited by shares | Live |
| HK ORANGE ME LIMITED | Private company limited by shares | Live |
| Orange 10 Limited | Private company limited by shares | Live |
| Big Orange Company Limited | Private company limited by shares | Live |
| Lov Lov Orange Limited | Private company limited by shares | Live |
| XC ORANGE LIMITED | Private company limited by shares | Live |
| Orange One Limited | | Live |
| Web Orange Limited | | Live |
| Te Xun Orange Limited | | Live |
| HK ORANGE LIMITED | | Live |
| Orange AI Limited | | Live |
| Far Orange HK Limited | | Live |
| My Orange Limited | | Live |
| An Orange Limited | | Live |
| Acting Orange Limited | Private company limited by shares | Live |
| Orange Advisory Limited | Private company limited by shares | Dissolved |
| ALPHA ORANGE LIMITED | Private company limited by shares | Live |
| Ward Orange Apparel Co., Limited | | Live |
| ONE APPLE ORANGE LIMITED | | Live |
| Orange Applications for Business Hong Kong Limited | Private company limited by shares | Live |
| Arctic Orange LNG Shipping Limited | Private company limited by shares | Live |
| Orange AsiaPacific Marketing Limited | Private company limited by shares | Dissolved |
| Orange Assets Limited | Private company limited by shares | Dissolved |
| ATOCA ORANGE LIMITED | Private company limited by shares | Live |
| Orange Banana Limited | Private company limited by shares | Live |
| ORANGE BASKET LIMITED | Private company limited by shares | Live |
| ORANGE BEAN LIMITED -THE- | Private company limited by shares | Live |
| Orange Biotech Limited | | Live |
| Bitter Orange Limited | | Live |
| Black Orange Limited | Private company limited by shares | Live |
| ORANGE BLOSSOM COMPANY LIMITED | Private company limited by shares | Dissolved |
| Orange Blossom Limited | | Live |
| Orange & Blue Corp. Limited | Private company limited by shares | Live |
| Boom Orange Asia Limited | Private company limited by shares | Live |
| Orange Bridge Co., Limited | Private company limited by shares | Live |
| Orange & Bronze Limited | Private company limited by shares | Live |
| ORANGE BUBBLE LAB LIMITED | Private company limited by shares | Live |
| ORANGE CAFE COMPANY LIMITED | Private company limited by shares | Live |
| ORANGE CAMPAIGN LIMITED | Private company limited by shares | Live |
| Orange Capital Limited | Private company limited by shares | Dissolved |
| ORANGE CAPITAL LIMITED | Private company limited by shares | Live |
| ORANGE CAPSULE COMPANY LIMITED | Private company limited by shares | Dissolved |
| Orange Cheese Co., Limited | Private company limited by shares | Live |
| Orange Chemical Limited | Public company limited by shares | Live |
| ORANGE DESIGN (CHINA) LIMITED | Private company limited by shares | Dissolved |
| LEIGH & ORANGE (CHINA) LIMITED | Private company limited by shares | Live |
| ORANGE ROAD (CHINA) LIMITED | | Live |
| CITILINK GLASS ORANGE LIMITED | Private company limited by shares | Dissolved |
| ORANGE CITY LIMITED | Private company limited by shares | Live |
| ORANGE CLOUD COMPANY LIMITED | Private company limited by shares | Live |
| Cloudburst Orange Limited | | Live |
| ORANGE CLUB LIMITED | Private company limited by shares | Live |
| Orange Club Holdings Limited | Private company limited by shares | Live |
| ORANGE PI CO., LIMITED | Private company limited by shares | Live |