| T Sound Technology Co., Limited | Private company limited by shares | Live |
| Sound Handsome Technology Co., Limited | | Live |
| Shining Sound & Technology Co., Limited | Private company limited by shares | Live |
| JVM (UK) SOUND TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| HK SOUND UPSTAR TECHNOLOGY CO., LIMITED | | Live |
| TENKO SOUND CO., LIMITED | Private company limited by shares | Live |
| SOUND COMPASS (TIANJIN) MUSICAL INSTRUMENTS CO., LIMITED | | Live |
| TONG LI SOUND & LIGHT (HK) INTERNATIONAL TECHNOLOGY CO., LIMITED | Private company limited by shares | Dissolved |
| FORWARD TYRE MOTOR ACCESSORIES SOUND EQUIPMENT CO., LIMITED | Private company limited by shares | Live |
| WANSHI SOUND & LIGHTING CO., LIMITED | Private company limited by shares | Live |
| COLOUR SOUND LIMITED | Private company limited by shares | Dissolved |
| COMBINED SOUND LIMITED | Private company limited by shares | Dissolved |
| SOUND COMMENCE LIMITED | Private company limited by shares | Live |
| HK SOUND COMMERCE LIMITED | Private company limited by shares | Live |
| CLEAN SOUND COMMUNICATION CO LIMITED | Private company limited by shares | Dissolved |
| Sound Square Cultural Communication Co., Limited | Private company limited by shares | Live |
| HK FOSHANTANG BUDDHA SOUND COMMUNICATION CO., LIMITED | Private company limited by shares | Live |
| KEY SOUND COMMUNICATIONS COMPANY LIMITED | Private company limited by shares | Dissolved |
| DELTA SOUND COMMUNICATIONS ASIA LIMITED | Private company limited by shares | Live |
| SOUND COMPACT DISC CENTRE COMPANY LIMITED | Private company limited by shares | Dissolved |
| SOUND COMPACT ELECTRONICS MANUFACTORY LIMITED | Private company limited by shares | Dissolved |
| SOUND COMPONENTS LIMITED | Private company limited by shares | Live |
| OCEAN SOUND COMPONENTS LIMITED | Private company limited by shares | Dissolved |
| SOUND CONCEPT LIMITED | Private company limited by shares | Dissolved |
| CONCEPT SOUND AUDIO LIMITED | | Live |
| FOXTER SOUND CONCEPT LIMITED | Private company limited by shares | Live |
| SOUND CONCEPTS LIMITED | Private company limited by shares | Live |
| LONG SOUND CONSULTANCY COMPANY LIMITED | Private company limited by shares | Live |
| One Cool Sound Limited | Private company limited by shares | Live |
| SOUND ASIA CORP LIMITED | Private company limited by shares | Live |
| RICH SOUND CORPORATE LIMITED | Private company limited by shares | Live |
| TOP SOUND CORPORATION LIMITED | Private company limited by shares | Live |
| CHINA SOUND CORPORATION LIMITED | Private company limited by shares | Live |
| FORTUNE SOUND CORPORATION LIMITED | Private company limited by shares | Dissolved |
| GRAND SOUND CORPORATION LIMITED | Private company limited by shares | Live |
| GREAT SOUND CORPORATION LIMITED | Private company limited by shares | Live |
| HAPPY SOUND CORPORATION LIMITED | Private company limited by shares | Dissolved |
| HAPPY SOUND CORPORATION LIMITED | Private company limited by shares | Live |
| NICE SOUND CORPORATION LIMITED | Private company limited by shares | Live |
| PRETTY SOUND CORPORATION LIMITED | Private company limited by shares | Dissolved |
| RIGHT SOUND CORPORATION LIMITED | Private company limited by shares | Dissolved |
| SILVER SOUND CORPORATION LIMITED | Private company limited by shares | Dissolved |
| SOUND CRAFT LIMITED | Private company limited by shares | Dissolved |
| SOUND CRAFT CO., LIMITED | Private company limited by shares | Live |
| SOUND CRAFT CO., LIMITED | Private company limited by shares | Live |
| SOUND CREDIT COMPANY LIMITED | Private company limited by shares | Dissolved |
| CREDIT SOUND PROPERTIES LIMITED | Private company limited by shares | Dissolved |
| CROWN SOUND LIMITED | Private company limited by shares | Dissolved |
| SOUND CRUSH COMPANY LIMITED | Private company limited by shares | Live |
| CRYSTAL SOUND LIMITED | Private company limited by shares | Dissolved |
| Crystal Sound Audio Limited | Private company limited by shares | Live |
| Cultural Sound Limited | Private company limited by shares | Dissolved |
| SOUND LEGEND CULTURE & COMMUNICATIONS LIMITED | Private company limited by shares | Live |
| SOUND AND RHYTHM CULTURE LIMITED | Private company limited by shares | Dissolved |
| SOUND DEFINITION COMPANY LIMITED | Private company limited by shares | Live |
| DELIGHTFUL SOUND LIMITED | Private company limited by shares | Live |
| DELLE SOUND INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| DENMARK ZHISHENG SOUND INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| SOUND DEPARTMENT (HK) LIMITED -THE- | Private company limited by shares | Live |
| ET LIGHTING SOUND DESIGN LIMITED | | Live |
| i Zone Sound Design Limited | Private company limited by shares | Live |
| SKY SOUND DEVELOP LIMITED | Private company limited by shares | Dissolved |
| BRIGHT SOUND TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| GREAT SOUND TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| NEW SOUND TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| RICH SOUND TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| SOUND RICH TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| NOW SOUND DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| HIT SOUND DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| SOUND DAY DEVELOPMENT LIMITED | Private company limited by shares | Live |
| WIN SOUND DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| JET SOUND DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| ON SOUND DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| SOUND ART DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| NEW SOUND DEVELOPMENT LIMITED | Private company limited by shares | Live |
| SOUND BEST DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| CHAMPION SOUND DEVELOPMENT LIMITED | Private company limited by shares | Live |
| CHARTER SOUND DEVELOPMENT LIMITED | Private company limited by shares | Live |
| CHEER SOUND DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| CHINA SOUND DEVELOPMENT LIMITED | Private company limited by shares | Live |
| SOUND MENTAL POTENTIAL DEVELOPMENT OF SCIENCE AND TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| DELUXE SOUND DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| DRAGON SOUND DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| EARNING SOUND DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| SOUND EASE DEVELOPMENT LIMITED | Private company limited by shares | Live |
| EVER SOUND DEVELOPMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| EVER SOUND DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| SOUND FINANCIAL DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| FORTUNE SOUND DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| FREE SOUND DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| FULL SOUND DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| GLAD SOUND DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| GLOBAL SOUND DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| GLORY SOUND DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| SOUND GOOD DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| GRACE SOUND DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| GRACE SOUND DEVELOPMENT LIMITED | Private company limited by shares | Live |
| GREAT SOUND DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| SOUND GREAT DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| HAPPY SOUND DEVELOPMENT LIMITED | Private company limited by shares | Live |