GTL Limited, BSE: 500160 (previously Global Telesystems Limited) a Global Group Enterprise, is a Network Services company based in Navi Mumbai. It is India's largest network services provider to the world. GTL Limited has services to address the Network Life Cycle requirements of Telecom Operators, Technology providers, Original Equipment Manufacturers(OEM’s) and Tower Companies across India and also across Asia Pacific, Europe and Middle East through its subsidiaries.