| Startup Accelerator India Pvt Ltd | Telangana |
| Startup Incubator and Innovation Centre IIT Kanpur | Uttar Pradesh |
| Startup Karnataka | Karnataka |
| Startup Kashmir | Jammu and Kashmir |
| Startup Oasis | Rajasthan |
| Startup Réseau | Maharashtra |
| Startup Story Pvt Ltd | Delhi |
| Startup Talky | Karnataka |
| Startup Village Collective | Karnataka |
| StartUp360 | Karnataka |
| StartupFlux | Uttar Pradesh |
| StartupHR Toolkit | Maharashtra |
| Startupindia | Delhi |
| Startupmart | Tamil Nadu |
| StartupOne | |
| Startups Council of India | Maharashtra |
| StartupXseed Ventures | Karnataka |
| StartxLabs | Haryana |
| Stashfin | Haryana |
| Statbyte | Maharashtra |
| Statcraft | Karnataka |
| Statxo | Haryana |
| Staunchsys IT Services Pvt Ltd | |
| STC ThirdEye (India) Pvt Ltd | Tamil Nadu |
| Stead | |
| Steady Rabbit | |
| Stealth Technocrats | Punjab |
| Steelsonic Technical Services | Karnataka |
| Stegpearl Technologies Pvt Ltd | |
| Stella Maris College | |
| Stella Mary's College of Engineering | |
| Stellapps Technologies Pvt Ltd | Karnataka |
| Stellar Code | |
| Stellar Data Recovery | Haryana |
| Stellar Data Solutions Pvt Ltd | Chandigarh |
| Stellar Digital | |
| Stellar Solutions | |
| Stellaris Venture Partners | |
| StellarMinds Infotech | |
| Stelleninfotech Pvt Ltd | |
| Stelo Technology | |
| Stempeutics Research Pvt Ltd | Karnataka |
| STEMROBO Technologies Pvt Ltd | Uttar Pradesh |
| Stemstech India | |
| Step2gen Technologies Pvt Ltd | |
| Stepforadder | |
| Stepin Solutions and IT Services Pvt Ltd | |
| Stepin Solutions and IT Services Pvt Ltd | |
| Stepping Edge | |
| STEPS | Kerala |