Klöckner & Co. SE engages in the production and distribution of steel and metal products. It operates through the following segments: Kloeckner Metals US, Kloeckner Metals Services Europe, Kloeckner Metals Switzerland, and Kloeckner Metals Distribution Europe. Its products include flat steel products, long steel products, tubes and hollow sections, stainless and high-grade steel, and aluminum. The company was founded by Peter Klöckner on June 28, 1906 and is headquartered in Duisburg, Germany.