| College of Engineering, Nanded | |
| College of Engineering, Trivandrum - Department of Electronics and Communciation Engineering | Kerala |
| College of IT and Management Education | |
| College of Post Graduate Studies in Agricultural Sciences | |
| College of Technology and Engineering | |
| College of Technology, Govind Ballabh Pant University of Agriculture and Technology | Uttarakhand |
| College of Vocational Studies | |
| Collegedunia Web Pvt Ltd | Haryana |
| CollegeSearch.in | Haryana |
| Colonel Software | Rajasthan |
| Colorcubes Designs Pvt Ltd | |
| Colordesk | |
| ColoredCow | Haryana |
| Colorgraphicz | |
| ColorWhistle | Tamil Nadu |
| Colossa Ventures | |
| ColourMoon Technologies (P) Ltd | |
| ColourSquare | Delhi |
| Com First India | |
| ComAvia Systems Technologies Pvt Ltd | Karnataka |
| Comfygen Pvt Ltd | |
| CommSouth Infocom Pvt Ltd | Tamil Nadu |
| COMMTEX Solutions Pvt Ltd | Maharashtra |
| Communication Crafts | Gujarat |
| Communication Electronic | Delhi |
| Commutatus | Tamil Nadu |
| Commutec | Maharashtra |
| CompanyHub | Maharashtra |
| Compare SEO | |
| Compassites Software Solutions Pvt Ltd | Karnataka |
| Competensys | Karnataka |
| Competent Groove | Chandigarh |
| Competenza Innovare | |
| Complere Infosystem | |
| Complete SEO Solution | Delhi |
| Complete Web Graphics | |
| CompleteSEOPromotion | Rajasthan |
| Comprinno | Karnataka |
| Compro Technologies | Delhi |
| Compsek | West Bengal |
| Compu-Needs IT Solutions (P) Ltd | Kerala |
| CompuBee Technologies Pvt Ltd | Maharashtra |
| CompuBrain | Gujarat |
| CompuBrain Pvt Ltd | |
| Compucom Institute of Technology & Management, Jaipur | Rajasthan |
| Compufy Technolab, LLP | Gujarat |
| Compumatrix Technologies Pvt Ltd | |
| Compusoft Technologies | Maharashtra |
| Compusys e Solutions | |
| Computer Lab Pvt Ltd | Odisha |