| Atlarge Consultants | |
| Atlas SoftWeb Pvt Ltd | |
| AtliQ Technologies | |
| Atma Ram Sanatan Dharma College | |
| Atmiya University | |
| ATMoonpePlus | |
| Atmsoftek | West Bengal |
| ATN Technologies | |
| ATOA Scientific Technologies | Karnataka |
| Atocloud | Haryana |
| Atomize | Delhi |
| Atoms Digital | |
| AtOneTechnologies | Delhi |
| AtoZ Infoway, LLP | Gujarat |
| AtoZ Marketing | |
| Atozdebug Technology Pvt Ltd | |
| Atreya Associates | Odisha |
| Atria Institute of Technology | Karnataka |
| Atrina, LLP | |
| Atrinomy Tech Pvt Ltd | |
| Atrity Info Solutions Pvt Ltd | Tamil Nadu |
| Atrity Info Solutions Pvt Ltd | |
| Attain Studio | |
| Attentive AI | Delhi |
| Attors Studio | Rajasthan |
| Attrock Consultancy Pvt Ltd | |
| Attune Technologies Pvt Ltd | Tamil Nadu |
| Attune World Wide | Gujarat |
| Atulyam Technolabs, LLP | Gujarat |
| Atyantik Technologies Pvt Ltd | Gujarat |
| Aubergine | |
| Aubergine Solutions Pvt Ltd | Gujarat |
| Auburn Digital Solutions | |
| AUC Ventures | Tamil Nadu |
| AudioCompass | Maharashtra |
| AudioVision India Pvt Ltd | Maharashtra |
| Auditime Information Systems (India) Ltd | Maharashtra |
| Aufait Technologies Pvt Ltd | |
| Augmentastic | |
| Augurs Technologies | Uttar Pradesh |
| August Infotech | |
| AUI Systems | |
| AUM InfoTech | Gujarat |
| Aunoa Solutions Pvt Ltd | |
| Aunwesha Knowledge Technologies Pvt Ltd | West Bengal |
| AuPerTz | Delhi |
| Auraplexus | Andhra Pradesh |
| Aureate Labs | |
| Auriga IT Consulting Pvt Ltd | |
| Aurigene Oncology Ltd | Karnataka |