Aircel Cellular Limited
Aksh Optifibre Ltd.
Anco Communications Ltd
Astra Microwave Products Ltd.
Avaya Globalconnect Ltd
Bhagyanagar India Ltd
Bharti Airtel
Bharti TeletechBirla Ericsson Optical Ltd.
Cable Corporation of India Ltd.
CMI Ltd.
Cybele Industries Ltd.
Delton Cables Ltd.
Dhanus Technologies Ltd.
Eider Infotech Ltd.
EricssonEsskay Telecom Ltd.
FCI OEN Connectors Ltd.
Finolex Cables Ltd.
Gemini Communications Ltd.
Goldstone Infratech Ltd
GR Cables Ltd.
GTL Infrastructure Ltd.
Gujarat Optical Communication Ltd.
Hartron Communications Ltd.
Hathway Bhawani Cabletel & Datacom Ltd
HFCL Infotel Ltd
Himachal Futuristic Communications Ltd.
Hindustan Cables Ltd.
Idea Cellular Ltd.
Intergrated Digital Info Services Ltd
ITI Ltd
ITI Ltd.
Kaleidoscope Films Ltd
Kavveri Telecom Products Ltd.
Krone Communications Ltd.
Mahanagar Telephone Nigam Ltd
MIC Electronics Ltd.
Mobile Tele Communications Ltd
MotorolaMP Telelinks Ltd.
Munoth Communication Ltd
Valiant Communications Ltd.
Videsh Sanchar Nigam Ltd.
Vindhya Telelinks Ltd
Vodafone Group Plc
XL Telecom & Energy Ltd.
Nelco Ltd.
Nokia India
Nokia Siemens Networks
NortelNu Tek India Ltd
Optel Tecommunications Ltd
Paramount Communications Ltd.
Precision Electronics Ltd.
Punjab Communications Ltd.
Qualcomm India
Reliance Communications Ltd.
RPG Cables Ltd
Shyam Telecom Ltd
Southern Online Bio Technologies Ltd
Spice Communications Ltd.
Spice Mobiles LtdSterlite Technologies Ltd
.Sujana Towers LtdSurana Telecom & Power LtdSurana Telecom Ltd.
Tamilnadu Telecommunications Ltd
Tata Teleservices (Maharashtra) Ltd.
TataCommunications Ltd
Telecom Regulatory Authority of India
Telecommunications Consultants India Ltd.
Telephone Cables Ltd.
Telephone Cables Ltd.
Tulip Telecom Ltd