| SignAssistive.app | |
| Signature IT Software Designers Pvt Ltd | |
| SignatureTech | |
| SignDesk | Karnataka |
| Signdomains.com | Delhi |
| Signicent Information Solutions, LLP | |
| Significant Infotech | |
| Significant Software Solutions | Maharashtra |
| Signion Systems Pvt Ltd | Telangana |
| Signity Solutions Pvt Ltd | Chandigarh |
| Signiwis Technologies Pvt Ltd | Karnataka |
| Signoff Semiconductors | Karnataka |
| SigntoDesign Pvt Ltd | |
| SignUp Solution | |
| Signzy Technologies Pvt Ltd | Karnataka |
| SigTuple Technologies Pvt Ltd | Karnataka |
| Sigzen Technologies Pvt Ltd | Gujarat |
| SIIMS Business School | |
| Sikkim Manipal University | |
| Sikkim Manipal University Distance Education | |
| Sikkim University | |
| Siksha 'O' Anusandhan University | |
| Siksha Group | Karnataka |
| Silent Infotech | |
| Sileo Technologies Pvt Ltd | |
| Silex Software Pvt Ltd | Haryana |
| Siliciti Technologies | Karnataka |
| Silicon City College Autonomous | |
| Silicon House | Tamil Nadu |
| Silicon IT Hub | |
| Silicon Signals | |
| Silicon Techlab Pvt Ltd | Odisha |
| Silicon University | |
| Silicon Valley Infomedia Pvt Ltd | Gujarat |
| Silicon Web Solutions | Chandigarh |
| SiliconIndia | Karnataka |
| Siliguri College of Commerce | West Bengal |
| Siliguri Infoline Web Services | |
| Siliguri Institute of Technology | West Bengal |
| SIlqen Software Pvt Ltd | |
| Silvan Innovation Labs Pvt Ltd | Karnataka |
| Silver Bazel | |
| Silver Consultancy Services Pvt Ltd | West Bengal |
| Silver Oak University | |
| Silver Touch Technologies Ltd | Gujarat |
| SilverClouding Consultancy Pvt Ltd | |
| SilverHost IT Solutions | |
| Silverline Technologies, Inc. | Telangana |
| Silverskills | Haryana |
| SilverWebbuzz | Gujarat |