Menu Start / About us About AK Steel International AK Steel International is a subsidiary of Cleveland-Cliffs Inc. which is headquartered in Cleveland, Ohio, U.S.A. Several subsidiaries of AK Steel International operate in Europe. Offices are located in the Netherlands, Germany, France, United Kingdom, Spain and Italy. The American Rolling Mill Company (ARMCO) was founded in 1899 in Middletown, Ohio, where it operated a production facility. In more than 100 years of history it expanded enormously and amongst others, it established several European subsidiaries. These subsidiaries decided in 1986 to to jointly operate under the name ARMCO Specialty Steels Europe. In 1999, the parent company of these subsidiaries, ARMCO Inc. merged with AK Steel Corp., Middletown, Ohio. Through this merger the company name ARMCO was changed to AK Steel. In April 2000, also the ARMCO subsidiaries in Europe were renamed into AK Steel. To be more in line with the global sales activities, it was renamed in 2004 to AK Steel International. In 2020, Cleveland-Cliffs acquired AK Steel (including AK Steel International), vertically integrating its legacy iron ore business with quality-focused steel production and emphasis on the automotive end market. Cleveland-Cliffs is the largest flat-rolled steel producer in North America. Founded in 1847 as a mine operator, Cliffs is also the largest producer of iron ore pellets in North America. Cliffs’ fully integrated portfolio includes custom-made pellets and, by the end of 2020, Hot Briquetted Iron (HBI); flat-rolled carbon steel, stainless, electrical, plate, tin and long steel products; as well as carbon and stainless steel tubing, hot and cold stamping and tooling. Headquartered in Cleveland, Ohio, Cleveland-Cliffs employs more than 25,000 people across its mining, steel and downstream manufacturing operations in the United States and Canada. For more information, visit www.clevelandcliffs.com. Contact Our Team We're here to answer your questions. CONTACT US Legal NoticesData PrivacySitemap ©2021 AK Steel International B.V.. All rights reserved.