Bharti Airtel Limited operates as a telecommunications company in 18 countries across Asia and Africa.
Bharti Infratel Limited provides telecom tower infrastructure sharing services.
Tata Communications Limited provides telecommunications services worldwide.
Mahanagar Telephone Nigam Limited provides fixed-line telecommunication services in the cities of Delhi and Mumbai, India.
Tata Teleservices (Maharashtra) Limited provides wireline voice, data, and managed telecom services to retail and enterprise customers in Maharashtra and Goa, India.
GTL Infrastructure Limited, an independent and neutral telecom tower company, builds, owns, operates, and maintains shared passive telecom infrastructure sites.
Reliance Communications Limited provides enterprise voice, data, video, and IT infrastructure solutions to enterprises, over-the-top (OTT) players, and network operators in India and internationally.
Quadrant Televentures Limited provides telecommunication services to enterprise and retail customers in Punjab, India.