The GEM is a principal manufacturer of average mechanism of tension and products controlgear in India. The gem accumulated a reputation sterling during five decades in the durable and reliable products of manufacture. The GEM with its research with the broadbase its product range joined hands with Telergn of Spain to form an organization in participation in the year 1999 - mechanisms Pvt de gem Telergon. Ltd, to manufacture the rotary switches actuated by cams in India.

Telergón is a reputed electromechanical engineering company in Europe who are known for their switchgear products, primarily CAM switches and switch fuses.

Telergon is part of Gorlan team - an industrial conglomerate which under its fold has the following entities:-

With this new identity of corporation, Telergon now has a diversified booklet of product, which includes products such as the voltaic standards of energy of photograph, lighting standards, modular switches etc,

Gem Telergón Switchgears Pvt. Ltd,  Telergon 'subsidiary of S in India to the expertise in research and the development to be supplied with the total needs increasing for the products for mechanism.