Incorporated in the state of Andhra Pradesh, Goldstone Technologies Ltd, earlier widely referred to as Goldstone Engineering Ltd (GEL) is engaged in the business of manufacturing thermo weld filled heat shrinkable sleeves and cable jointing kits. It is the only manufacturer of TWF Heat Shrinkable Sleeves in the country.

It has broadened its footprint operations into into an agreement with PSF s.r.l Italy for obtaining the know-how relating to the manufacture of Thermoweld Heat Shrinkable Sleeves, using M/s Fujikura Limited's technology.

GTL has now diversified into Telecommunications, Electricity, Automobile Spares and infrastructure development as they are recognised industries of growth potential.

The company has globalized its operations by opening a branch in UK and created and deployed Strategic relationships in Germany, Belgium and Japan through Business Associates.

In 1996-97 M/s Goldstone Telecommunications (India) Ltd was merged with the company and in 1998-99, Goldstone Softech Ltd was amalgamated with the company. Again in 1999-2000, two US companies, Primesoft Services Inc., and Primesoft LLC., was merged with the company.

In 2001 the telecom business of the company has been de-merged into Goldstone Teleservices Limited.