| CASS | Beijing |
| CastleNet Technology, Inc. | Taiwan |
| Castles Technology Co., Ltd | Taiwan |
| Catalyst Group Ltd | Hong Kong |
| Cathay Financial Holdings Co., Ltd | Taiwan |
| Cayee Network Systems | Hong Kong |
| Cayenne Entertainment Technology Co., Ltd | Taiwan |
| CBC Capital | Beijing |
| CBX Software | Hong Kong |
| CC&C Technologies, Inc. | Taiwan |
| CCID Consulting Co., Ltd | Beijing |
| CCMedia Technology Company | Taiwan |
| CCT Fortis Holdings Ltd | Hong Kong |
| CCW.com.cn | Beijing |
| CDIB Capital International | |
| Ceicloud Co., Ltd | Beijing |
| Celestial Asia Securities Holdings Ltd | Hong Kong |
| Celis Biotech Co., Ltd | |
| Celliaz Co., Ltd | |
| CellOrigin Biotech (Hangzhou) Co., Ltd | Zhejiang |
| Celregen Therapeutics | |
| Center for Applied Mathematics, Tianjin University | |
| Center for Innovation Taipei | Taiwan |
| CentLing Technologies | |
| Central China Normal University | |
| Central China Normal University - School of Mathematics and Statistics | |
| Central South University | |
| Central South University - Scholl of Mathematics and Statistics | Hunan |
| Central South University of Forestry & Technology | |
| Central Taiwan Science Park | Taiwan |
| Central Taiwan University of Science and Technology | |
| Central Technologies Hong Kong Co., Ltd | Hong Kong |
| Central University of Finance and Economics | Beijing |
| CereSoft | |
| CETC Solar Energy Holdings Co., Ltd | Hunan |
| CF PharmTech, Inc. | Jiangsu |
| Chain of Things Ltd | Hong Kong |
| Chain Technology Development Co., Ltd | Hong Kong |
| Chaintech Technology Corporation | Taiwan |
| Challenge International Corporation | Taiwan |
| Chang Guang Satellite Technology Co., Ltd | |
| Chang Gung Medical Foundation | |
| Chang Gung University | Taiwan |
| Chang Gung University - Department of Computer Science and Information Engineering | Taiwan |
| Chang Gung University - Department of Electrical Engineering | Taiwan |
| Chang Gung University - Department of Electronic Engineering | Taiwan |
| Chang Gung University of Science and technology | |
| Chang Hang Software | Fujian |
| Chang Jung Christian University | |
| Chang Jung Christian University - School of Information and Design | Taiwan |