Duro Felguera SA is a Spain-based company primarily engaged in the electric construction sector. The Company's activities are divided into six business segments: Energy, which manages turnkey projects related to the construction of power generation facilities, biomass, cogeneration, desulphurization and denitrification plants, among others; Industrial Plants, which comprises activities related to the execution of turnkey projects in the mining and handling fields; Oil and Gas, which specializes in execution of oil and gas projects; Specialized Services, which offers electrical and mechanical erection, maintenance, as well as the supply of thermal, cryogenic and acoustic insulation, among others; Manufacturing, which produces pressure vessels, wind generator components, rail turnouts and crossings, among others, and others, which includes design and installation of integrated systems for the defense, communications, energy, environmental and civil infrastructure sectors, among others.