1. Accord Communications Ltd.
2. Adino Telecom Ltd
3. Air Tel
4. Bharat Electronics Ltd
5. Bharat Heavy Electricals Ltd.
6. Bharti Telesoft
7. Blue Star, Ltd.
8. BPL US West Cellular
9. Binary Comtec
10. BSES Ltd
11. BSES Telecom Ltd
12. Byte Communications
13. CDoT
14. Central Food Tech. Res. Institute
(CSIR -Mysore)
15. Containers and Cortons P. Ltd
16. Central Railway
17. Digital Equipment Corp. I. Ltd
18. DP Communications
19. Ericsson (Gurgaon, Chennai, Bangalore, Mumbai, Chandigarh)
20. Fujitsu India Ltd
21. Gas Authority of India Ltd.
22. HCL Telecom
23. HCL Comnet
24. Hewelett Packard
25. HFCL (R&D)
26. HFCL, Solan, Himachal Pradesh
27. HFCL International Division
28. Hughes Ispat
29. Hughes Network Systems
30. Hughes Escorts Commun. Ltd
31. IC India Ltd
32. Inprint P. Ltd
33. Ispat Denro Industries
34. IRCON International Ltd
35. IRCOT, Ministry of Railways
36. ITC Ltd
37. Lancomp Network Solutions
38. Leading Edge Systems Ltd
39. MTNL Bombay
40. Meera Agencies (Anritzu dealer)
41. Netran Information Access P. Ltd
42. Network Ltd
43. Network Programs Ltd, Noida
44. Northern Railway
45. Northern Telecom (Nortel)
46. Optel, Madhya Pradesh
47. Observe Computers
48. Power Grid Corporation
49. Punj LLoyd, Ltd
50. Paharpur Industries
51. Qualcomm
52. Railway Board (Telecom)
53. RDSO, Ministry of Railways
54. Raychem RPG Ltd.
55. Ramson Communications
56. Reliance Telecom
57. Rockwell International
58. RPG Paging Services Ltd
59. Siemens Commun. Network Ltd
60. South Eastern Railway
61. Sterlite Industries Ltd.
62. TCIL
63. Usha Martin, (Cellular company, Calcutta)
64. Vinitron Ltd
65. VSNL (International Carrier)
66. Wipro Ltd
67. WM Infotech P. Ltd
68. Western Railway
69. Delhi Metro Railway Corpn.
70. RITES
71. ICICI, Pune
72. Indian Telephone Industries Ltd
73. Tata Teleservices Ltd
74. Oasis Cellular, Hexacom Ltd, Jaipur
75. Spice Telecom, Mohali
76. BPL Mobile, Mumbai
77. Arya Commuincations, Mumbai
