List of major telecommunication service providers in Chennai and Tamilnadu like BSNL, Airtel, Reliance, Tata indicom and internet service providers.

• Recharge it Now : With Recharge it Now users can recharge prepaid mobile account in airtel, vodafone, bsnl, reliance etc
• Aircel : The Aircel group is a joint venture between Maxis Communications Berhad of Malaysia and Apollo Hospital Enterprise Ltd of India, with Maxis Communications holding a majority stake of 74%.
• Mahanagar Telephone Nigam Limited : MTNL has been in the forefront to launch new technologies for the benefit of customers.
• Rpgcellular : rpgcellular.com brings you the most comprehensive group of advertisers in an easily navigated format, giving users a vast range of choices in as few clicks as possible.
• Tata Indicom Extra : Tata Indicom Extra covers Tata high speed broadband internet services with Wi-Fi access, global roaming, net telephony etc, Tta Indocom Wi-Fi and SME solutions.
• Tata Docomo : Tata DOCOMO is Tata Teleservices Limiteds telecom service on the GSM platform-arising out of the Tata Groups strategic alliance with Japanese telecom major NTT DOCOMO.
• Reliance Jio 4G LTE Network : Reliance Jio by Mukesh Ambani Reliance Group is the Best 4G network with lowest data rate globally.