| Atcom Technologies Co., Ltd | Shanghai |
| Atecom Technology Co., Ltd | Taiwan |
| ATEN International Co., Ltd | |
| Atom Robotics | Beijing |
| ATOP Corporation | Sichuan |
| ATP Electronics, Inc. | Taiwan |
| ATPATH Technologies Ltd | Hong Kong |
| ATrack Technology, Inc. | Taiwan |
| Atrie Technology, Inc. | Taiwan |
| AttechDesignCentre | Hong Kong |
| Attend Technology, Inc. | Taiwan |
| AU Optronics Corporation | Taiwan |
| AUKEY Online | Guangdong |
| AUO Corporation | |
| Aura Labs Ltd | Hong Kong |
| Auras Technology Co., Ltd | Taiwan |
| Aurotek Corporation | Taiwan |
| AustCham Hong Kong | Hong Kong |
| Ausun Pharmaceutical | Zhejiang |
| Authgear | Hong Kong |
| Authority Technology Co., Ltd | Taiwan |
| Auto Debug | Shanghai |
| Autodesk China | Beijing |
| Autodesk Hong Kong | Hong Kong |
| Autoflight | Shanghai |
| Autolink | Jiangsu |
| Autoridade Monetária de Macau | Macau |
| Autotek Ltd | Taiwan |
| AVA Angels | Taiwan |
| Avalue Technology, Inc. | Taiwan |
| Avant Browser | Beijing |
| AvantBiz | Hong Kong |
| AVB Cables | Guangdong |
| AViTA International Corporation | Taiwan |
| Avrio Solutions Co., Ltd | Hong Kong |
| AVT | Hong Kong |
| AVTECH Corporation | Taiwan |
| AVY Industrial Co., Ltd | Taiwan |
| Awu Technology Co., Ltd | Taiwan |
| Axia8 Ventures | Shanghai |
| Axiomtek | Taiwan |
| AxiSoft | Hong Kong |
| axiusSoftware | Tianjin |
| Azusa Group Ltd | Hong Kong |
| B.E.L. Systems Ltd | Hong Kong |
| B2Bmanufactures Directory | Taiwan |
| Babel Finance | Hong Kong |
| BAFO Technologies Corporation | Taiwan |
| BaiAn Ltd | Taiwan |
| BAIC BluePark New Energy Technology Co., Ltd | |