| 1. S.T Microelectronics |
| 2. Aricent |
| 3. Airtel |
| 4. Ericsson |
| 5. Samsung Electronics India Pvt. Ltd. |
| 6. ZTE |
| 7. Accenture |
| 8. Amazon |
| 9. CISCO |
| 10. Cadence Design System |
| 11. Cognizant |
| 12. CSC |
| 13. Capegemini |
| 14. Oppo Mobile India Pvt. Ltd. |
| 15. Google |
| 16. Nokia |
| 17. Juspay |
| 18. ETA Engineers Pvt Ltd.(Vendor to DMRC) |
| 19. NTL Electronics |
| 20. Fiserv |
| 21. HCL |
| 22. Honeywell |
| 23. Hewitt |
| 24. FORD INDIA |
| 25. INTUIT |
| 26. ICONMA |
| 27. IBM |
| 28. IGATE |
| 29. Idea Cellular |
| 30. Indian Army |
| 31. Indian Navy |
| 32. Indus Valley Partners |
| 33. Microsoft |
| 34. Mu sigma |
| 35. Magnetti Marelli |
| 36. Practo |
| 37. Orange |
| 38. JARO Education |
| 39. Reliance Jio Infocom |
| 40. DXC |
| 41. Hexaware |
| 42. Sahasra electronics Pvt.ltd. |
| 43. Software One |
| 44. TCS |
| 45. Tech Mahindra |
| 46. Think & Learn |
| 47. VIRTUSA |
| 48. VOLTAS |
| 49. Wipro |
| 50. Woxa Technologies |
| 51. Zycus |
| 52. Birla software |
| 53. Amadeus Software Labs |
| 54. BOARD INFINITY |
| 55. Publicis Sapient |
| 56. Polaris |
| 57. RTDS PVT LTD |
| 58. RXLOGIX CORPORATION |
| 59. Appinventive |
| 60. Cleartrail Tecnologies |
| 61. VVDN Technology |
| 62. ANR Software |
| 63. DELL |
| 64. Sify |
| 65. HUAWEI |
| 66. COLT |
| 67. FIBCOM |
| 68. Sagacious research |
| 69. United Lex |
| 70. Publicis Media |
| 71. Ernst & Young |
| 72. ZS Associates |
| 73. Extramarks |
