| Ceek Software | Selangor |
| Celcom Axiata Berhad | Kuala Lumpur |
| CemTech | Selangor |
| Centre for Entrepreneur Development And Research Sdn Bhd | Kuala Lumpur |
| Chrysanth Software Sdn Bhd | Selangor |
| Cleverus Consulting | Kuala Lumpur |
| Click Grafix | Selangor |
| ClickAsia Sdn Bhd | Selangor |
| CloudD | Selangor |
| CMS Websites Design | Johor |
| Code S Sdn Bhd | |
| Codex Software Solution Sdn Bhd | Selangor |
| Comintel Sdn Bhd | Selangor |
| Commerce DotAsia Ventures Sdn Bhd | Kuala Lumpur |
| Common Ground | Kuala Lumpur |
| CompareHero.my | |
| Compugates Sdn Bhd | Selangor |
| Computer Troubleshooters (M) Sdn Bhd | Kuala Lumpur |
| Consortium Telecom (M) Sdn Bhd | Kuala Lumpur |
| Corporate Accelerator Malaysia | Selangor |
| Cortex Robotics Sdn Bhd | Penang |
| Cradle Fund Sdn Bhd | Kuala Lumpur |
| Crayeon Systems Sdn Bhd | Kuala Lumpur |
| Creador | |
| Crysanth Software | Selangor |
| CTAPPS MSC Sdn Bhd | Kuala Lumpur |
| CubeMatch Ltd | Selangor |
| Curlec Sdn Bhd | Kuala Lumpur |
| CWorks | Selangor |
| Cyber Cafes | Kuala Lumpur |
| Cyber Security Asia | Kuala Lumpur |
| Cyberguard Systems Sdn Bhd | Penang |
| CyberSecurity Malaysia | Selangor |
| Cyberview | Selangor |
| Cynet Hosting | Kuala Lumpur |
| Cynetec Solutions Sdn Bhd | Selangor |
| Dagang Net Technologies Sdn Bhd | Kuala Lumpur |
| DahPay (M) Sdn Bhd | Kuala Lumpur |
| Data Sukan Consulting Sdn Bhd | Kuala Lumpur |
| Data Synergo Sdn Bhd | Selangor |
| DataKL Solutions Sdn Bhd | Kuala Lumpur |
| Dedicated Server Enterprise | Selangor |
| Deltatech Computer Systems & Solutions | Selangor |
| Design Free Tools & Tips | Selangor |
| Despark International College | |
| Devices World | Selangor |
| DF Automation & Robotics Sdn Bhd | Johor |
| Dhakai Soft Multimedia Solutions Sdn Bhd | Selangor |
| DiGi | Kuala Lumpur |
| Digital Guru | Johor |