| SUNO LIMITED | Private company limited by shares | Live |
| SUNOAS LIMITED | Private company limited by shares | Live |
| Sunobel Group Co., Limited | Private company limited by shares | Live |
| GRAND SUNOCEAN SHIPPING LIMITED | Private company limited by shares | Live |
| SUNODA GROUP (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| SUNOIL LIMITED | Private company limited by shares | Dissolved |
| SUNOKRA LIMITED | Private company limited by shares | Live |
| SUNOLINO GROUP LIMITED | Private company limited by shares | Live |
| SUNON LIMITED | Private company limited by shares | Live |
| SUNON (CHINA) LIMITED | Private company limited by shares | Dissolved |
| HEBEI SUNON WIRE CLOTH CO., LIMITED | Private company limited by shares | Live |
| SUNON KYOUWA MOLD CO., LIMITED | Private company limited by shares | Dissolved |
| SUNON OFFICE CO., LIMITED | Private company limited by shares | Dissolved |
| SunOn Power Co., Limited | Private company limited by shares | Live |
| SUNON DEVELOP LIMITED | Private company limited by shares | Dissolved |
| SUNON DEVELOPMENT LIMITED | Private company limited by shares | Live |
| SUNON DEVELOPMENT HONG KONG COMPANY LIMITED | Private company limited by shares | Live |
| SUNON TECHNOLOGY DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| SUNON ELECTRONIC LIMITED | Private company limited by shares | Live |
| HK SUNON ELECTRONICS CO., LIMITED | Private company limited by shares | Live |
| SUNON ELECTRONICS (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| SUNON ENERGY GROUP LIMITED | Private company limited by shares | Dissolved |
| SUN-ON EQUIPMENT PTY LIMITED | Private company limited by shares | Live |
| SUN-ON EQUIPMENT CO., LIMITED | Private company limited by shares | Dissolved |
| sunon furniture Limited | Private company limited by shares | Live |
| Sunon Green Pack Limited | Private company limited by shares | Live |
| Sunon Healthcare Group Limited | Private company limited by shares | Live |
| Sunon (HK) Eternality Shipping Co., Limited | Private company limited by shares | Live |
| Sunon (HK) Prosperity Shipping Co., Limited | Private company limited by shares | Live |
| SUNON GROUP (H.K.) COMPANY LIMITED | Private company limited by shares | Dissolved |
| SUNON HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| SUNON (HONGKONG) COMMERCE CO., LIMITED | Private company limited by shares | Live |
| HONGKONG SUNON GROUP CO., LIMITED | Private company limited by shares | Live |
| Sunon (Hongkong) International Company Limited | Private company limited by shares | Live |
| SUNON INDUSTRIAL LIMITED | Private company limited by shares | Live |
| SUNON INDUSTRIAL GROUP LIMITED | Private company limited by shares | Live |
| SUNON INTERNATIONAL CAPITAL LIMITED | Private company limited by shares | Dissolved |
| SUNON INTERNATIONAL CO., LIMITED | Private company limited by shares | Live |
| Sunon International Development Co., Limited | Private company limited by shares | Live |
| SUNON INTERNATIONAL GROUP LIMITED | Private company limited by shares | Live |
| SUNON INTERNATIONAL TRADING LIMITED | Private company limited by shares | Dissolved |
| SUNON LEADING CO., LIMITED | Private company limited by shares | Live |
| SUNON LEADING INTERNATIONAL CO., LIMITED | Private company limited by shares | Live |
| SUNON MANUFACTURING GROUP LIMITED | Private company limited by shares | Live |
| SUNON ASIA PACIFIC LIMITED | Private company limited by shares | Dissolved |
| SUNON QT POWER COMPANY LIMITED | | Live |
| SUNON SEMICON CO., LIMITED | Private company limited by shares | Live |
| SUNON SOLAR LIMITED | Private company limited by shares | Live |
| Sunon Technology HK Limited | Private company limited by shares | Live |
| HK SUNON TECHNOLOGY LIMITED | | Live |
| SUNON TOOL AND PLASTICS CO., LIMITED | Private company limited by shares | Dissolved |
| SUN-ON-CITY TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| Sunone HK Limited | Private company limited by shares | Live |
| Sunons Limited | | Live |
| SUNONWEALTH INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| Sunoon Limited | | Live |
| SUNOR LIMITED | Private company limited by shares | Dissolved |
| SUNORD MACHINERY & EQUIPMENT CO., LIMITED | Private company limited by shares | Live |
| Sunore Machinery Equipment Limited | Private company limited by shares | Live |
| Hong Kong SunOrigin Industrial Co., Limited | Private company limited by shares | Live |
| SUNORO LIMITED | | Live |
| SUNORO ADVERTISING LIMITED | | Live |
| Sunoro Trade Co., Limited | | Live |
| SUNORO MANAGEMENT CONSULTING LIMITED | | Live |
| SUNORO TECHNOLOGY LIMITED | | Live |
| SUNORO TRADING LIMITED | | Live |
| SUNORY ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| Sunourish Trading Limited | Private company limited by shares | Live |
| SUNOV (HK) INTERNATIONAL CO., LIMITED | Private company limited by shares | Dissolved |
| SUNOVA LIMITED | Private company limited by shares | Dissolved |
| SUNOVA ELECTRONICS CO., LIMITED | Private company limited by shares | Live |
| SUNOVA ELECTRONICS (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| SUNOVA HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| Sunova Technology Hongkong Limited | Private company limited by shares | Live |
| SUNOVA INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| SUNOVA INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| SUNOVA INTERNATIONAL COMPANY LIMITED | Private company limited by shares | Live |
| SUNOVA MEDICAL TECHNOLOGY LIMITED | Private company limited by shares | Live |
| SUNOVA LIGHTING SCIENCE HONGKONG LIMITED | Private company limited by shares | Live |
| SUNOVA SOLAR LIMITED | | Live |
| SUNOVA TECHNOLOGY LIMITED | Private company limited by shares | Live |
| SUNOVA SOLAR TECHNOLOGY LIMITED | | Live |
| SUNOVATE LIMITED | Private company limited by shares | Dissolved |
| SUNOVATION.COM LIMITED | Private company limited by shares | Dissolved |
| SUNOVI COMPANY LIMITED | | Live |
| SUNOVI TRADING CO., LIMITED | Private company limited by shares | Live |
| HONG KONG SUNOVI LIMITED | Private company limited by shares | Live |
| Sunovi (Hong Kong) Trade Limited | | Live |
| SUNOVI (HONGKONG) COMPANY LIMITED | Private company limited by shares | Live |
| SUNOVI INTERNATIONAL LIMITED | | Live |
| Sunovi International Trading Co., Limited | | Live |
| SUNOVI LELA LIMITED | | Live |
| SUNOVI TECHNICAL TRADING LIMITED | | Live |
| HK SUNOVI TRADE LIMITED | Private company limited by shares | Live |
| SUNOVI WOOD LIMITED | Private company limited by shares | Live |
| SUNOW ENTERPRISE LIMITED | Private company limited by shares | Live |
| SUNOW INTERNATIONAL LIMITED | Private company limited by shares | Live |
| SUNOW LEDLIGHT LIMITED | Private company limited by shares | Live |
| Hong Kong Sunoway Technology Limited | | Live |
| SUNOYI TECHNOLOGY CO., LIMITED | | Live |