| Centre for Cellular And Molecular Platforms | Karnataka |
| Centre for Computational Technologies | Maharashtra |
| Centre for Development of Advanced Computing | Maharashtra |
| Centre for Development of Imaging Technology | Kerala |
| Centre for Development Studies | Kerala |
| Centre for Distance and Online Education, Kurukshetra University | |
| Centre for Distance and Online Education, Utkal University | |
| Centre for DNA Fingerprinting and Diagnostics | |
| Centre for Economic and Social Studies | |
| Centre for Health Research and Innovation | |
| Centre for Human Genetics | |
| Centre for Management Development | Uttar Pradesh |
| Centre for Materials for Electronics Technology | |
| Centre for Multi-disciplinary Development Research | |
| Centre for Training and Research in Public Finance and Policy | |
| Centre of Behavioural and Cognitive Sciences | |
| Centre Source | |
| Centricity | |
| Centroxy Solution Pvt Ltd | Odisha |
| Centum | Karnataka |
| Century Minds | |
| Century Pharmaceuticals Ltd | |
| CEPT University | |
| Ceptes Software Pvt Ltd | Karnataka |
| Cerbosys Technologies Pvt Ltd | |
| Cercle X | |
| Cerebra Integrated Technologies Ltd | Karnataka |
| CERT-IN | Delhi |
| Certainty Infotech Pvt Ltd | Madhya Pradesh |
| CertiSafe | Delhi |
| CETAS Information Technology Pvt Ltd | Tamil Nadu |
| Ceydigital Solutions Pvt Ltd | |
| Ceymox Technologies Pvt Ltd | Kerala |
| CG-VAK Software & Exports Ltd | Tamil Nadu |
| CGL System | Uttar Pradesh |
| CGS Infotech, Inc. | Maharashtra |
| Ch. Devi Lal State Institute of Engineering & Technology | |
| CHAAL | |
| Chabria Infotech Pvt Ltd | West Bengal |
| Chaiduar College | Assam |
| ChainClave | Gujarat |
| Chainxt | |
| Chaitanya Bharathi Institute of Technology | |
| Chakdaha College | |
| Chakr Innovation | |
| Chalapathi Institute of Technology | |
| ChalkWalk Consulting Pvt Ltd | |
| Challaturu Marketing Services | |
| Challenge Technolabs | |
| Chalo Mobility Pvt Ltd | Maharashtra |