| MING KAI AUDIO COMPANY LIMITED | Private company limited by shares | Dissolved |
| AUDIO MUSIC COMPANY LIMITED | Private company limited by shares | Dissolved |
| Musilab Audio Limited | Private company limited by shares | Live |
| NINGBO DHL AUDIO COMPANY LIMITED | Private company limited by shares | Live |
| OCEAN AUDIO COMPANY LIMITED | Private company limited by shares | Dissolved |
| OCEAN AUDIO LIMITED | Private company limited by shares | Live |
| E OCEAN CAR AUDIO LIMITED | Private company limited by shares | Live |
| AUDIO ONLINE LIMITED | | Live |
| AUDIO OPTIONS LIMITED | Private company limited by shares | Dissolved |
| ORIENT POWER CAR AUDIO LIMITED | Private company limited by shares | Live |
| Oriental Audio Limited | | Live |
| PACIFIC AUDIO LIMITED | Private company limited by shares | Live |
| PAIKE AUDIO LIMITED | Private company limited by shares | Live |
| PANPEAK AUDIO COMPANY LIMITED | Private company limited by shares | Live |
| PEAK AUDIO LIMITED | Private company limited by shares | Dissolved |
| PEAK AUDIO SMARTWATCH COMPANY LIMITED | Private company limited by shares | Live |
| PHOENIX AUDIO LIMITED | Private company limited by shares | Dissolved |
| Audio Phonic Digital Limited | Private company limited by shares | Live |
| POWER AUDIO LIMITED | Private company limited by shares | Dissolved |
| POWER-TECH AUDIO COMPANY LIMITED | Private company limited by shares | Dissolved |
| PRECISION AUDIO LIMITED | Private company limited by shares | Live |
| AUDIO PRECISION HK LIMITED | Private company limited by shares | Live |
| PROSPEROUS AUDIO LIMITED | Private company limited by shares | Dissolved |
| PSVANE AUDIO LIMITED | Private company limited by shares | Live |
| QUINT AUDIO (ASIA) LIMITED | Private company limited by shares | Live |
| Raising Audio Limited | Private company limited by shares | Live |
| RAYMOND'S AUDIO ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| AUDIO RESEARCH LIMITED | Private company limited by shares | Dissolved |
| RAYLEIGH AUDIO RESEARCH COMPANY LIMITED | Private company limited by shares | Dissolved |
| RICHIE AUDIO LIMITED | Private company limited by shares | Live |
| RICHMUSIC AUDIO COMPANY LIMITED | Private company limited by shares | Live |
| ROMI AUDIO COMPANY LIMITED | Private company limited by shares | Live |
| SEAO AUDIO LIMITED | Private company limited by shares | Dissolved |
| SHENG HUA AUDIO LIMITED | Private company limited by shares | Live |
| AUDIO SHOWCASE LIMITED | Private company limited by shares | Dissolved |
| SMART AUDIO LIMITED | Private company limited by shares | Dissolved |
| AUDIO SOLUTIONS LIMITED | Private company limited by shares | Dissolved |
| AUDIO SOLUTIONS LIMITED | Private company limited by shares | Live |
| Digital Audio Solutions Limited | Private company limited by shares | Dissolved |
| SOVE AUDIO LIMITED | Private company limited by shares | Live |
| SPACE AUDIO LIMITED | Private company limited by shares | Live |
| SPAGHETTI AUDIO LIMITED | Private company limited by shares | Live |
| NEW STAR AUDIO LIMITED | Private company limited by shares | Dissolved |
| STAR AUDIO COMPANY LIMITED | | Live |
| STARTUP AUDIO LIMITED | Private company limited by shares | Live |
| SUNSTAR AUDIO LIMITED | Private company limited by shares | Live |
| FMG AUDIO SUPPLY LIMITED | Private company limited by shares | Live |
| Audio Vim System Company Limited | Private company limited by shares | Dissolved |
| I/O Audio System Limited | Private company limited by shares | Live |
| HAW AUDIO SYSTEMS LIMITED | Private company limited by shares | Live |
| AUDIO TECH (ASIA) LIMITED | Private company limited by shares | Dissolved |
| REFLYING AUDIO TECH LIMITED | Private company limited by shares | Live |
| Starfield Audio Tech Limited | | Live |
| Moon Audio Technic Limited | Private company limited by shares | Live |
| ONE AUDIO TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| HCS AUDIO TECHNOLOGY LIMITED | Private company limited by shares | Live |
| QAT AUDIO TECHNOLOGY LIMITED | Private company limited by shares | Live |
| HK E&K Audio Technology Limited | Private company limited by shares | Live |
| GS AUDIO TECHNOLOGY LIMITED | Private company limited by shares | Live |
| OVC AUDIO TECHNOLOGY LIMITED | Private company limited by shares | Live |
| EAV AUDIO TECHNOLOGY LIMITED | Private company limited by shares | Live |
| H&K AUDIO TECHNOLOGY LIMITED | Private company limited by shares | Live |
| FIRST AUDIO TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Live |
| SMART AUDIO TECHNOLOGY LIMITED | Private company limited by shares | Live |
| PRO AUDIO TIMES THEATRE LIMITED | Private company limited by shares | Dissolved |
| Tiara Audio Limited | Private company limited by shares | Live |
| TINA AUDIO LIMITED | Private company limited by shares | Live |
| TOCO AUDIO COMPANY LIMITED | Private company limited by shares | Live |
| TODAY'S AUDIO LIMITED | Private company limited by shares | Live |
| AUDIO TONE LIMITED | Private company limited by shares | Live |
| TOPCLASS AUDIO LIMITED | Private company limited by shares | Dissolved |
| JRE AUDIO & TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |
| WAN TUNG CAR AUDIO COMPANY LIMITED | Private company limited by shares | Dissolved |
| TOP AUDIO & VIDEO LIMITED | Private company limited by shares | Dissolved |
| HIT VIDEO & AUDIO LIMITED | Private company limited by shares | Dissolved |
| TAS VIDEO & AUDIO LIMITED | Private company limited by shares | Dissolved |
| BFG VIDEO & AUDIO LIMITED | Private company limited by shares | Live |
| TRP AUDIO & VIDEO LIMITED | Private company limited by shares | Live |
| HOI DA AUDIO & VIDEO LIMITED | Private company limited by shares | Live |
| ARTECH AUDIO & VIDEO LIMITED | Private company limited by shares | Dissolved |
| A&A AUDIO & VIDEO CENTER LIMITED | Private company limited by shares | Live |
| NEW CENTURY AUDIO VIDEO CO. LIMITED | Private company limited by shares | Live |
| HD DIGITAL VIDEO & AUDIO COMPANY LIMITED | Private company limited by shares | Dissolved |
| Fowler Audio and Video Limited | Private company limited by shares | Live |
| DRAGON VIDEO & AUDIO MANUFACTORY LIMITED | Private company limited by shares | Dissolved |
| WAI LUN AUDIO & VIDEO MANUFACTURING CO. LIMITED | Private company limited by shares | Live |
| MONGKOK AUDIO & VIDEO LIMITED | Private company limited by shares | Dissolved |
| HAPPY RICH AUDIO & VIDEO LIMITED | Private company limited by shares | Dissolved |
| Richtech Audio Video Company Limited | Private company limited by shares | Live |
| RODGERS AUDIO & VIDEO COMPANY LIMITED | Private company limited by shares | Live |
| AKAI AUDIO & VIDEO SERVICE CENTRE LIMITED | Private company limited by shares | Dissolved |
| Soundation Audio Video Co. Limited | Private company limited by shares | Live |
| TARGET AUDIO VIDEO LIMITED | Private company limited by shares | Dissolved |
| TECHNIC AUDIO & VIDEO LIMITED | Private company limited by shares | Dissolved |
| WING MING AUDIO AND VIDEO LIMITED | Private company limited by shares | Dissolved |
| GET AUDIO & VISION COMPANY LIMITED -THE- | Private company limited by shares | Dissolved |
| FA YUEN AUDIO & VISION LIMITED | Private company limited by shares | Dissolved |
| WELL SUCCESS AUDIO LIMITED | Private company limited by shares | Dissolved |
| WELLWICK AUDIO LIMITED | Private company limited by shares | Live |
| NEW WELLWICK AUDIO LIMITED | Private company limited by shares | Live |