| Tzai Yuan Enterprise Co., Ltd | Taiwan |
| Tze-Chiang Foundation of Science and Technology | Taiwan |
| Tzu Chi University | Taiwan |
| Tzu Chi University of Science and Technology | |
| U-Media Communications, Inc. | Taiwan |
| U.S. Information Technology Office | Beijing |
| Ubee Interactive | Taiwan |
| Ubestream, Inc. | |
| UbiTraq Technology, Co., Ltd | Beijing |
| Ubitus, Inc. | Taiwan |
| UBTECH Robotics, Inc. | Guangdong |
| UCanCode.Net Software | Guangdong |
| UCloud | Shanghai |
| Udesk Co., Ltd | Beijing |
| uFlysoft Co., Ltd | |
| UGear Technology Co., Ltd | Taiwan |
| UgeneX | |
| UIC Payworld, Inc. | |
| UISEE Technology (Beijing) Co., Ltd | Beijing |
| ULS Robotics Co., Ltd | |
| Ultra-Pack Industries Co., Ltd | Taiwan |
| UMA Technology, Inc. | |
| Umeng.com | Beijing |
| Unex Technology Corporation | Taiwan |
| Uni-Bio Science Group Ltd | |
| Unic Games | Sichuan |
| Unicorn Electronics Components Co., Ltd | Taiwan |
| UniMax Electronics, Inc. | Taiwan |
| Union Microsystems | Shanghai |
| Union Technology International Co., Ltd | |
| UnionPay International | |
| Uniphone Co., Ltd | Taiwan |
| Unique Asia Technology Ltd | Hong Kong |
| Unique Logic Ltd | |
| Unisoc (Shanghai) Technologies Co., Ltd | |
| Unisonic Technologies Co., Ltd | Taiwan |
| Unisound Intelligent Technology Co., Ltd | Beijing |
| UniStrong | Beijing |
| United BioPharma, Inc. | |
| United Electronics Co., Ltd | Taiwan |
| United Fiber Optic Communication, Inc. | Taiwan |
| United Imaging Intelligence | |
| United Microelectronics Corporation | Taiwan |
| United Radiant Technology Corporation | Taiwan |
| United Renewable Energy Co., Ltd | Taiwan |
| United Silicon innovation Corporation | Taiwan |
| Uniteinfo | Guangdong |
| Unitree Robotics | Zhejiang |
| Univ Power Corporation | Taiwan |
| Universal Microwave Technology, Inc. | |