| Reliance Communications Ltd | Maharashtra |
| Reliance Industries Ltd | |
| Reliance Jio Infocomm Ltd | Maharashtra |
| Reliance Life Sciences Pvt Ltd | Maharashtra |
| Reliance Retail Ltd | |
| Relicab Cable Manufacturing Ltd | Dadra and Nagar Haveli and Daman and Diu |
| Religate Technologies Pvt Ltd | Telangana |
| Relisys Medical Devices Ltd | |
| Relyon Softech Ltd | Karnataka |
| Remiges Design Studio | |
| Remiges Technologies Pvt Ltd | |
| Remote Programmer Pvt Ltd | West Bengal |
| Remotebricks | |
| Remotefront Pvt Ltd | West Bengal |
| Renaissance Technologies Pvt Ltd | Karnataka |
| RenaissThera | |
| Rencata | |
| ReNew | Haryana |
| Renganayagi Varatharaj College of Engineering and Technology | |
| Reno Teechnology | |
| Renovate Biologicals Pvt Ltd | |
| RentALLScript | |
| Renu Electronics Pvt Ltd | Maharashtra |
| Renu Electronics Pvt Ltd | |
| Reontek IT Systems Pvt Ltd | |
| Reosys | Uttarakhand |
| Reprographics India | |
| Repsoft Technologies Pvt Ltd | |
| Reptile | |
| RepuNEXT, LLP | |
| Repute Digital Business Agency | |
| Repute Infosystems | Gujarat |
| Repuyte Networks Pvt Ltd | Karnataka |
| ReqRes | |
| Research Foundation | |
| Research Innovation Incubation Design Labs | Maharashtra |
| ResearchFox | |
| Reset Tech Global Pvt Ltd | |
| Resistive Technosource Pvt Ltd | |
| ResoluteB2B | |
| Resource Design | Karnataka |
| Respct | Delhi |
| Retail Insights | Karnataka |
| Retail POS Pvt Ltd | |
| RetailCore | Maharashtra |
| Retailware Softech Pvt Ltd | Maharashtra |
| Reternetics | Maharashtra |
| Rethink UX | |
| Retinodes | |
| Retunes IT Media | |