Speira
Metal TreatmentsNorth Rhine-Westphalia, Germany501-1000 Employees
Speira is a European aluminium rolling and recycling company with eleven sites across Germany and Norway, including the Alunorf joint venture—the world’s largest aluminium rolling mill—and Grevenbroich, which hosts the world’s largest refining plant. It recycles up to 650,000 tons of aluminium each year and produces about one million tons of advanced rolled products, supported by in-house research and development. The company serves customers in automotive, packaging, printing, engineering, and construction, offering integrated capabilities across the aluminium value chain. Based in Grevenbroich, North Rhine-Westphalia, Speira emphasizes sustainability by reducing emissions across the value chain and improving resource efficiency through recycled materials. It has created labels, ORBIS and RIVOS, to identify products with high recycled content or near-zero emissions, and in 2026 it launched Environmental Product Declarations across its Specialities categories.
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