| Chittagong IT Solutions | Chittagong |
| Chittagong Medical University | |
| Chittagong University of Engineering and Technology | Chittagong |
| Chumbot IT | |
| CIBL Technology Consultants Ltd | |
| Circle FinTech Ltd | Dhaka |
| City University | Dhaka |
| Cloud Development and Data Analytics Ltd | |
| Cloud Software Solution Ltd | Dhaka |
| CloudCoder Ltd | Dhaka |
| Cloudly Infotech Ltd | |
| Cloudwave Corp Ltd | |
| Code Arrow Ltd | Dhaka |
| Codeboxr | Dhaka |
| CodeCrafters International | Dhaka |
| CodePecker | Dhaka |
| Coder71 Ltd | Dhaka |
| CodeRex | |
| Codeshaper | |
| COdesign | Dhaka |
| CodeSmith Tech Ltd | Dhaka |
| CodeWare Ltd | Dhaka |
| Codist | Dhaka |
| COL DB | Chittagong |
| Comilla University | |
| Commmlink Info Tech Ltd | Dhaka |
| Computer Ease Ltd | Dhaka |
| Computer Graphics & Design Ltd | |
| Computer Network Systems (CNS) Ltd | Dhaka |
| Computer Services Ltd | Dhaka |
| Connect Bangladesh Ltd | Dhaka |
| ConnectBD | Dhaka |
| Content Tree Ltd | |
| Core Devs Ltd | |
| Corporate Projukti Ltd | |
| Craftsmen | |
| Craftsmen Ltd | Dhaka |
| Craftsmen Ltd | |
| Createc BD Ltd | Dhaka |
| Creative Communication Ltd | |
| CreativeSense | |
| CreativeWisdom | |
| CTrends Software & Services Ltd | Dhaka |
| Curl Ware | |
| Cyber Developer BD | Rajshahi |
| CyberHostBD | Dhaka |
| Cyberhosting.us | Dhaka |
| Cygnus Innovation Ltd | Dhaka |
| D Money Bangladesh Ltd | Dhaka |
| D3M | |