| DONG MING ACOUSTICS COMPANY LIMITED | Private company limited by shares | Live |
| EASTERN ACOUSTICS LIMITED | Private company limited by shares | Dissolved |
| EKAI ACOUSTICS ENGINEERING CO. LIMITED | Private company limited by shares | Live |
| YSS.BSS ELECTRONICS ACOUSTICS LIMITED | Private company limited by shares | Dissolved |
| ACOUSTICS ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| LEGEND ACOUSTICS ENGINEERING LIMITED | Private company limited by shares | Live |
| MASON ACOUSTICS ENGINEERING CO. LIMITED | Private company limited by shares | Dissolved |
| STAR ACOUSTICS ENGINEERING LIMITED | Private company limited by shares | Live |
| ERGO ACOUSTICS LAB LIMITED | Private company limited by shares | Live |
| FUTURE ACOUSTICS LIMITED | Private company limited by shares | Live |
| GLOBAL ACOUSTICS CO., LIMITED | Private company limited by shares | Live |
| Pure Acoustics Global Trading Limited | Private company limited by shares | Dissolved |
| GREEN TO LIGHT & ACOUSTICS (HK) INT'L GROUP LIMITED | Private company limited by shares | Dissolved |
| HANSS ACOUSTICS CO., LIMITED | Private company limited by shares | Live |
| GP ACOUSTICS (HK) LIMITED | Private company limited by shares | Live |
| MWM Acoustics (HK) Limited | Private company limited by shares | Dissolved |
| ARCHITECTURAL ACOUSTICS (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| Hetent Acoustics (Hong Kong) Company Limited | | Live |
| IMAGAURAL ACOUSTICS (HONG KONG) CO., LIMITED | Private company limited by shares | Dissolved |
| INDUSTRIAL ACOUSTICS COMPANY (HONG KONG) LIMITED | Private company limited by shares | Live |
| TSD ACOUSTICS (HONG KONG) INDUSTRY LIMITED | Private company limited by shares | Live |
| Hong Kong Acoustics Limited | Private company limited by shares | Live |
| Horn Acoustics Technology Hong Kong Company Limited | | Live |
| BRAUN ACOUSTICS (HONG KONG) TECHNOLOGY CO. LIMITED | Private company limited by shares | Live |
| GRYFON ACOUSTICS INDUSTRY LIMITED | Private company limited by shares | Live |
| ACOUSTICS INNOVATION LIMITED | Private company limited by shares | Live |
| GP ACOUSTICS INTERNATIONAL LIMITED | Private company limited by shares | Live |
| LE ACOUSTICS INTERNATIONAL LIMITED | Private company limited by shares | Live |
| Shenzhen Jinrun Acoustics Co., Limited | Private company limited by shares | Live |
| KARAN ACOUSTICS LIMITED | Private company limited by shares | Live |
| LD ACOUSTICS MANUFACTORY LIMITED | Private company limited by shares | Live |
| LD ACOUSTICS MANUFACTORY (HK) LIMITED | Private company limited by shares | Live |
| MASON ACOUSTICS LIMITED | Private company limited by shares | Live |
| Master Acoustics International Corp. Limited | Private company limited by shares | Live |
| MELODY ACOUSTICS INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| Mission Acoustics Consultancy Company Limited | Private company limited by shares | Live |
| NanFang Acoustics Engineering (HongKong) Co., Limited | Private company limited by shares | Live |
| NORTHWEST ACOUSTICS LIMITED | Private company limited by shares | Dissolved |
| Original Acoustics Limited | Private company limited by shares | Live |
| ASIA ACOUSTICS PRODUCTS (HK) LIMITED | Private company limited by shares | Dissolved |
| PURE ACOUSTICS (H.K.) LIMITED | Private company limited by shares | Dissolved |
| Rion Acoustics Group Co., Limited | Private company limited by shares | Live |
| ROXOUND ACOUSTICS HONG KONG LIMITED | | Live |
| SCHMITT ACOUSTICS LIMITED | Private company limited by shares | Live |
| OBO SEAHORN ACOUSTICS LIMITED | Private company limited by shares | Live |
| SKYATT ACOUSTICS (HK) CO., LIMITED | Private company limited by shares | Live |
| SOLOVOX ACOUSTICS LIMITED | Private company limited by shares | Live |
| SONICBIRD (ACOUSTICS) CO., LIMITED | Private company limited by shares | Live |
| Sota Acoustics Limited | Private company limited by shares | Live |
| SOUTHERN ACOUSTICS (H.K.) LIMITED | Private company limited by shares | Live |
| STAGNATION POINT ACOUSTICS GROUP CHINA LIMITED | Private company limited by shares | Live |
| SUPREME ACOUSTICS RESEARCH LIMITED | Private company limited by shares | Live |
| IGene Acoustics Technology Co., Limited | | Live |
| DE ACOUSTICS TECHNOLOGY INTERNATIONAL CO., LIMITED | Private company limited by shares | Live |
| CONCORD ACOUSTICS & TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| LeXi Acoustics Technology Co., Limited | Private company limited by shares | Live |
| HK PAISHENG ACOUSTICS TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Qiimax Acoustics Technology Co., Limited | Private company limited by shares | Live |
| HK Royal Acoustics Technology Co., Limited | | Live |
| Tipsy Acoustics (HK) Technology Limited | | Live |
| ACOUSTICS AND AIR TESTING LABORATORY COMPANY LIMITED | Private company limited by shares | Live |
| THUNDERWAVE ACOUSTICS LIMITED | Private company limited by shares | Live |
| TIDERS ACOUSTICS LIMITED | Private company limited by shares | Live |
| Sky Tone Acoustics Co., Limited | Private company limited by shares | Live |
| Velodyne Acoustics Limited | Private company limited by shares | Live |
| VoiceX Acoustics Co., Limited | | Live |
| WATA ACOUSTICS LIMITED | Private company limited by shares | Live |
| WAVEBURG ACOUSTICS LIMITED | Private company limited by shares | Dissolved |
| WHIZZER ACOUSTICS CO., LIMITED | | Live |
| WILSON ACOUSTICS LIMITED | Private company limited by shares | Live |
| YANG KONG ACOUSTICS CO. LIMITED | Private company limited by shares | Live |
| YOUNG ACOUSTICS LIMITED | Private company limited by shares | Dissolved |
| ZIWEN LIGHTING AND ACOUSTICS GROUP LIMITED | Private company limited by shares | Live |
| ACOUSTICWELL LIMITED | Private company limited by shares | Live |
| ACOUSTIGUIDE ASIA LIMITED | Private company limited by shares | Live |
| ALLIED ACOUSTIKS (HK) CO. LIMITED | Private company limited by shares | Live |
| CELTO ACOUSTIQUE LIMITED | Private company limited by shares | Live |
| HYUNDA ACOUSTO-OPTIC TECHNOLOGY LIMITED | Private company limited by shares | Live |
| ACOUSTUNE LIMITED | Private company limited by shares | Live |
| AcouSystem Limited | Private company limited by shares | Live |