| Asia Pacific Telecom | Taiwan |
| Asia Satellite Telecommunications Co., Ltd | |
| Asia Science & Technology | Beijing |
| Asia Technique & Computer Network Co., Ltd | |
| Asia University - Department of Computer Science and Information Engineering | Taiwan |
| Asia University, Taiwan | |
| Asia Vision Technology Ltd | Hong Kong |
| Asia Vital Components Co., Ltd | Taiwan |
| Asia Web International Co., Ltd | Taiwan |
| Asia Web Services Ltd | Hong Kong |
| AsiaLink International Technology Corporation | Taiwan |
| Asian Capital Resources (Holdings) Ltd | Hong Kong |
| Asian Venture Capital Journal | Hong Kong |
| AsianNet | Taiwan |
| AsiaPac Net Media Ltd | Hong Kong |
| AsiaPay Co., Ltd | Guangdong |
| AsiaPay Ltd | Hong Kong |
| AsiaRegister.com | Hong Kong |
| AsiaRF | Taiwan |
| AsiaSat | Hong Kong |
| Asiasoft Co., Ltd | Hong Kong |
| Asiaspirit | Hong Kong |
| ASIX Electronics Corporation | Taiwan |
| Askey Computer Corporation | Taiwan |
| ASMedia Technology, Inc. | Taiwan |
| ASPEED Technology, Inc. | |
| ASRock Industrial Computer Corporation | |
| ASRock Rack, Inc. | Taiwan |
| ASRock, Inc. | Taiwan |
| Association of Pacific Rim Universities | |
| Assure Tech (Hangzhou) Co., Ltd | |
| Astra Cloud Holdings | Taiwan |
| Astron Technology Corporation | Taiwan |
| Asun Pharm | |
| Asurion Asia Pacific | Hong Kong |
| ASUSTek Computer (Shanghai) Co., Ltd | Shanghai |
| ASUSTeK Computer, Inc. | Taiwan |
| Atac Technology Co., Ltd | Taiwan |
| Atcom Technologies Co., Ltd | Shanghai |
| Atecom Technology Co., Ltd | Taiwan |
| ATEN International Co., Ltd | |
| ATM Capital | |
| Atom Robotics | Beijing |
| Atom Therapeutics Co., Ltd | |
| ATON | |
| ATOP Corporation | Sichuan |
| ATP Electronics, Inc. | Taiwan |
| ATPATH Technologies Ltd | Hong Kong |
| ATrack Technology, Inc. | Taiwan |
| Atrie Technology, Inc. | Taiwan |