| ADVANTAGE DIGITAL TECHNOLOGY (ADT) LIMITED | Private company limited by shares | Dissolved |
| Adtaz Limited | Private company limited by shares | Live |
| CHINA ADTC MOLD COMPANY LIMITED | Private company limited by shares | Live |
| ADTEC DIGITAL LIMITED | Private company limited by shares | Dissolved |
| AD-TECH LIMITED | Private company limited by shares | Dissolved |
| AdTech Innovation Limited | Private company limited by shares | Live |
| ADTECH INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| Ad-Tech & AV Solution Limited | Private company limited by shares | Dissolved |
| Adtech Solutions Limited | | Live |
| ADTECH TIME LIMITED | Private company limited by shares | Dissolved |
| AD-TECHNOLOGY LIMITED | Private company limited by shares | Live |
| ADTechnology(H.K.) LIMITED | Private company limited by shares | Live |
| ADTELL LIMITED | Private company limited by shares | Live |
| ADTELL LIMITED | Private company limited by shares | Live |
| AD-Tension Limited | Private company limited by shares | Live |
| ADTIGO LIMITED | Private company limited by shares | Live |
| AD-TIM LIMITED | Private company limited by shares | Dissolved |
| ADTIME LIMITED | Private company limited by shares | Dissolved |
| ADTION.COM LIMITED | Private company limited by shares | Dissolved |
| ADtive Advertising Limited | Private company limited by shares | Live |
| ADTO BUILDING MATERIALS GROUP LIMITED | Private company limited by shares | Live |
| ADTO GROUP LIMITED | Private company limited by shares | Live |
| ADTO (HK) Industry Co., Limited | | Live |
| Adtollo Limited | Private company limited by shares | Live |
| ADTOM LIMITED | Private company limited by shares | Live |
| ADTON LIMITED | Private company limited by shares | Dissolved |
| ADTOP INDUSTRIAL CO., LIMITED | Private company limited by shares | Live |
| AdTop Network Limited | Private company limited by shares | Live |
| ADTOP(HongKong) corporation Limited | Private company limited by shares | Live |
| ADTOU LIMITED | Private company limited by shares | Dissolved |
| Adtraction Limited | Private company limited by shares | Live |
| ADTRADER LIMITED | Private company limited by shares | Live |
| AD-TRANSPORT LIMITED | Private company limited by shares | Dissolved |
| ADTRON ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| Adtronics Technology Co. Limited | Private company limited by shares | Live |