| Clarity Labs Ltd | Hong Kong |
| Clenergy | |
| ClevGuard Technology Co., Ltd | Hong Kong |
| Clevo Co. | Taiwan |
| ClickAD | |
| Clientron | Taiwan |
| Clinflash International Co., Ltd | |
| Clinical Medical College of Tianjin Medical University | |
| ClipWorks Technology Co., Ltd | |
| Clobotics | |
| ClonOrgan Biotechnology Co., Ltd | |
| Cloud Solutions Ltd | Hong Kong |
| CloudInteractive, Inc. | Taiwan |
| CloudToGo.cn | Guangdong |
| CloudWalk Technology Group Co., Ltd | |
| Clover Computer Ltd | |
| CMBC Hong Kong Branch | |
| CMC Magnetics Co., Ltd | Taiwan |
| CMC Magnetics Corporation | |
| Cmedia | Taiwan |
| CNBlogs | Beijing |
| CNBM Technology Corporation Ltd | Beijing |
| CNITC.net, Inc. | Beijing |
| CNonline | Beijing |
| CNPAF | Beijing |
| Cnpair | |
| CNTGRONICS | Beijing |
| CNVOD.net | Beijing |
| CNWebShow | Beijing |
| CNWIN | Guangdong |
| Co-Innovation Biotech Co., Ltd | |
| CocoaChina | Beijing |
| CoCoon | Hong Kong |
| Cocos | |
| Cod Payment Ltd | Hong Kong |
| CodeBox Ltd | Hong Kong |
| CodeGeeX | Beijing |
| CodeMonday Co., Ltd | |
| CodePulse | Taiwan |
| Codinn Technologies Co., Ltd | |
| Cogney Ltd | |
| Cognician (Pty) Ltd | |
| Coiler Corporation | Taiwan |
| Coilmaster Electronics Co., Ltd | Taiwan |
| CoJourney | Zhejiang |
| Colaosft Co., Ltd | Sichuan |
| College of Humanities & Information Changchun University of Technology | |
| College of Life Sciences, Northwest University | |
| College of Post and Telecommunication of WIT | |
| College of Science & Technology Ningbo University | |