| Daqing Normal University | |
| Daqing Vocational College | |
| Darwin Biotech | |
| Darwin Corporation | Taiwan |
| Darwin Venture Management | Taiwan |
| Dascom | |
| DASH | |
| Dasudian | |
| Data Asia Technology Ltd | Hong Kong |
| Data Burning | |
| Data Genius Co., Ltd | Hong Kong |
| Data Perfect Systems | Hong Kong |
| Data Systems Consulting Co., Ltd | Taiwan |
| Data World Group | Hong Kong |
| DataCanvas | Beijing |
| DataEye Shenzhen Huidong Chuangxiang Technology Co., Ltd | Guangdong |
| Datafiled | Hong Kong |
| Dataimage | Taiwan |
| Datalude Information Security | Hong Kong |
| DataNumen, Inc. | Hong Kong |
| Datasun Corporation | Taiwan |
| Datatang (Beijing) Technology Co., Ltd | |
| DataToNET.com | Hong Kong |
| Datatronics Technology, Inc. | Taiwan |
| Daudin Co., Ltd | Taiwan |
| DAVICOM Semiconductor, Inc. | Taiwan |
| David Electronics Company Ltd | Taiwan |
| Davyin Internet Solutions (Shanghai) Ltd | |
| Dawa Future (Beijing) Imaging Technology Co., Ltd | Beijing |
| Daxinganling Vocational College | |
| Dayta AI | Hong Kong |
| DAZA Electronics Company | Guangdong |
| Dazhou Vocational and Technical College | |
| Dazhou Vocational College of Chinese Medicine | |
| DB AppMaker | Hong Kong |
| DBMaker | Taiwan |
| DBP Sophie | Hong Kong |
| DBS Hong Kong | Hong Kong |
| DBX Corporation | Guangdong |
| DC Components Co., Ltd | Taiwan |
| Dcard | Taiwan |
| DDSoft | Beijing |
| Decision Fuel | |
| Decision Group, Inc. | Taiwan |
| DediProg | Taiwan |
| Deep Blue Aerospace | Jiangsu |
| Deep Curiosity (Beijing) Technology Co., Ltd | |
| Deeproute.AI | Guangdong |
| Deeprove, Inc. | |
| DeepSeek | |