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QUATRO T&D is formed by three renowned companies with a solid background in industrial installation sector in the electrical area.


The Isastur Group is a leading Spanish group in electrical installations and industrial control systems. Isastur is specialized in high and low voltage installations, lines and substations in high voltage (AIS and GIS) , electricity and Industrial instrumentation and renewable energies, offering complete solutions of engineering, installation and start-up in all kind of facilities.


Sacyr Industrial is a company, part of Group Sacyr. Sacyr Industrial is specialized, among other business lines, in the Power sector, Renewable and conventional Power Plants, aswell as Oil&Gas and Industrial Installations.

Sacyr Industrial has references over 900 MW in engineering and construction of power generation plants, including conventional thermal generation, combined cycles, cogeneration and renewable energies.