| Contagia | |
| Contempo Technologies Pvt Ltd | |
| Contemsys Software Pvt Ltd | West Bengal |
| Content Spotlight | West Bengal |
| Contentus Digital Pvt Ltd | |
| ContextRead | Karnataka |
| Contigo Branding Solutions Pvt Ltd | |
| Contiinex | |
| Continumm-Systems.com | Haryana |
| Continuum Content Solutions | Delhi |
| Contrato | Maharashtra |
| ControlF5 | Madhya Pradesh |
| Controls India Pvt Ltd | |
| Contus | Tamil Nadu |
| Convergence Infotech Ltd | Karnataka |
| Convergent Infoware Pvt Ltd | |
| Convergent Infoware Pvt Ltd | |
| Convergetree Technologies Pvt Ltd | |
| Conversion Perk | |
| Converthink Solutions Pvt Ltd | |
| Convertway | |
| Convin.ai | Karnataka |
| Convomax | |
| Convosight | Delhi |
| Convrz Technology | |
| Cooch Behar College | |
| Cooch Behar Panchanan Barma University | |
| Cookee | |
| Coorg Institute of Technology | |
| Copilotly | Karnataka |
| Coral Drugs | |
| Coral Drugs Pvt Ltd | Haryana |
| Coral Telecom Ltd | Uttar Pradesh |
| Corbin Pvt Ltd | |
| Cordiace Solutions | |
| Cordiant Technologies | Tamil Nadu |
| CordsCable.com | Delhi |
| CORE Diagnostics | |
| Core Info Solutions Pvt Ltd | Maharashtra |
| Core iSolutions | |
| Core Tech IT Services Pvt Ltd | |
| Core Techies | |
| CoReCo Technologies Pvt Ltd | |
| Coredge | |
| CoreEL Technologies | Karnataka |
| Corefactors | |
| Coretus Technologies (P) Ltd | |
| Coreview Systems Pvt Ltd | |
| Corewave | Delhi |
| Coreway Solution | |