| Qualitician | Telangana |
| Qualitrix | |
| Quality Services Group | Karnataka |
| Quality Zone Infotech | |
| QualityKiosk Technologies Pvt Ltd | Maharashtra |
| QualiX Information System | |
| Quallent Technologies Pvt Ltd | Telangana |
| Qualtech Consultants Pvt Ltd | Uttar Pradesh |
| Qualysec | Odisha |
| Quampetence | Haryana |
| Quantafic Digital, Inc. | Maharashtra |
| QuantArt | Maharashtra |
| QuantE Energy Tech Pvt Ltd | |
| Quanteon Solutions | |
| Quantian Technologies Pvt Ltd | Maharashtra |
| Quantic Cloud Technologies Pvt Ltd | Madhya Pradesh |
| Quantsapp Pvt Ltd | Maharashtra |
| Quantum Asia Pvt Ltd | Telangana |
| Quantum Designs | Maharashtra |
| Quantum Software Solutions Pvt Ltd | Maharashtra |
| Quantum University | |
| Quantum4U | |
| QuantumBot | |
| QuantumLink Communications Pvt Ltd | Maharashtra |
| Quantzi | |
| Quarks Technosoft | |
| Quarter Pie Interactive Pvt Ltd | Maharashtra |
| Quartz Solution | |
| QubifyTech | |
| Qubitdots Technologies | |
| Quebec Technologies | |
| Queen Mary's College | |
| Query Labs | |
| Quess Corp Ltd | Karnataka |
| Quest Global Technologies Ltd | Madhya Pradesh |
| Quest Informatics Pvt Ltd | Karnataka |
| Quest InfoSense Pvt Ltd | |
| Quest Innovation | |
| Quest Venture Cooordinators Pvt Ltd | Delhi |
| Questnex Technologies | |
| Quetzal Verify Pvt Ltd | Maharashtra |
| QUEXST Healthcare | Maharashtra |
| Quibus Technosys | |
| Quick Heal Technologies Ltd | Karnataka |
| Quick Hub | |
| Quick Ride | Karnataka |
| Quick Site Developer | Tamil Nadu |
| Quick Web Technologies | |
| QuickFMS | Telangana |
| Quickoutsource | Maharashtra |