COMPANIES STOLE SERVICES ENVIRONMENT CAREER CONTACT Previous Next Home STOLE. THIS IS US. The Hüttenwerke Krupp Mannesmann, or HKM for short. As an integrated iron and steel works, we specialize in the production of steel and intermediate products for the processing industry. Our slogan steel. This is us. stands for our many years of experience and extensive industry know-how. We set standards, from production to environmental protection. Hüttenwerke Krupp Mannesmann GmbH (HKM) are a modern steel company with technically and economically optimized production stages, working conditions and environmental protection measures. Here you will find information about our company, our products and services as well as our range of career and training opportunities. In short: with almost 3,000 employees, we produce around four million tons of steel every year! Hydrogen drives us - HKM is a founding member of Hy.Region.Rhein.Ruhr On March 19, 2021, 16 stakeholders from business, science and the city group signed the founding document of the Hy.Region.Rhine.Ruhr hydrogen association. The association wants to promote the development of a regional green hydrogen economy and help transform the coal-fired energy system. [More...] imprint data protection Sitemap