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, and Kloeckner Metals Non-EU. 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.