Here's an expanded list of IT companies.

1. Tata Consultancy Services (TCS)

2. Infosys

3. Wipro

4. Cognizant Technology Solutions

5. HCL Technologies

6. Tech Mahindra

7. CSS Corp

8. Zoho Corporation

9. Hexaware Technologies

10. Sutherland Global Services

11. L&T Infotech

12. Mindtree

13. Polaris Consulting & Services

14. Virtusa Corporation

15. Mphasis

16. DXC Technology

17. Accenture

18. IBM India

19. Capgemini

20. Amazon Development Centre India

21. Oracle India

22. Hewlett Packard Enterprise (HPE)

23. PayPal India

24. Deloitte India

25. Ernst & Young (EY)

26. KPMG India

27. PricewaterhouseCoopers (PwC) India

28. Larsen & Toubro Technology Services (LTTS)

29. Barclays Technology Centre India

30. Ford Technology Services India

31. Qualcomm India

32. Samsung R&D Institute India

33. Verizon Data Services India

34. Atos Syntel

35. UST Global

This list represents a mix of Indian and multinational IT companies.