Duro Felguera, S.A. is a Spain-based engineering and construction company specializing in the execution of turnkey projects and provision of specialized services across energy, mining, oil and gas, and industrial sectors. Founded in 1858 and headquartered in Gijón, Asturias, it offers comprehensive solutions encompassing engineering, procurement, construction, startup, and maintenance for conventional and renewable energy plants, green hydrogen and energy storage facilities, mineral processing and bulk-handling systems, LNG tanks, pressure vessels, and logistic systems. The company operates through segments including Conventional Energy, Renewable Energy, Mining & Handling, Oil & Gas, Industrial Plants, Services, and DF Digital Security, with a global footprint spanning Spain, Latin America, Europe, Africa, the Middle East, and Asia. Notable for manufacturing capital goods like boilers and storage tanks, Duro Felguera holds ISO 50001 certification for energy management, underscoring its commitment to sustainability and innovation in infrastructure development for power generation, resource extraction, and industrial facilities.