| STEREO LIMITED | Private company limited by shares | Dissolved |
| WAI KEE CAR STEREO LIMITED | Private company limited by shares | Live |
| STEREO ASCENDANT LIMITED | Private company limited by shares | Live |
| JINQIAO STAGE LIGHT STEREO EQUIPMENT CO., LIMITED | Private company limited by shares | Live |
| WING TAT STEREO COMPONENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| EASTERN STEREO LIMITED | Private company limited by shares | Live |
| STEREO ELECTRONIC LIMITED | Private company limited by shares | Dissolved |
| ELTIC CAR STEREO MFG. LIMITED | Private company limited by shares | Dissolved |
| KONG WAH CAR STEREO COMPANY LIMITED | Private company limited by shares | Dissolved |
| STEREO LINK LIMITED | Private company limited by shares | Dissolved |
| MILLION-YEAR CAR STEREO AND ACCESSORIES LIMITED | Private company limited by shares | Dissolved |
| SUNRISE MOTORS STEREO & ALARM LIMITED | Private company limited by shares | Live |
| STEREO MUSIC SYSTEMS COMPANY LIMITED | Private company limited by shares | Dissolved |
| ORIENTAL CAR STEREO CENTRE LIMITED | Private company limited by shares | Live |
| STEREO PIECE GOODS COMPANY LIMITED | Private company limited by shares | Dissolved |
| Smart Stereo Limited | Private company limited by shares | Dissolved |
| SMART STEREO ENTERPRISE LIMITED | Private company limited by shares | Live |
| ADO Studio and Stereo Co Limited | Private company limited by shares | Live |
| SUNLIGHT CAR STEREO COMPANY LIMITED | Private company limited by shares | Live |
| STEREOCHIP CO., LIMITED | Private company limited by shares | Live |
| STEREO.COM.HK LIMITED | Private company limited by shares | Dissolved |
| STEREOPHONE ASIA LIMITED | Private company limited by shares | Dissolved |
| STEREOPHONIC LIMITED | Private company limited by shares | Dissolved |
| STEREOPICTURES (CHINA) LIMITED | Private company limited by shares | Live |
| STEREOPICTURES GROUP LIMITED | Private company limited by shares | Dissolved |
| ORIENT POWER CAR STEREOS (CHINA) LIMITED | Private company limited by shares | Dissolved |
| ORIENT POWER CAR STEREOS LIMITED | Private company limited by shares | Live |
| Stereoscopic Display Innovation Research Institute Co., Limited | | Live |
| GUANGZHOU YILONG STEREOSCOPIC FILM TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| Stereostock Limited | Private company limited by shares | Dissolved |