Mannesmann was a German industrial conglomerate. It was originally established as a manufacturer of steel pipes in 1890 under the name "Deutsch-Österreichische Mannesmannröhren-Werke AG". In the twentieth century, Mannesmann's product range grew and the company expanded into numerous sectors; starting from various steel products and trading to mechanical and electrical engineering, automotive and telecommunications. From 1955, the conglomerate's management holding with headquarters in Düsseldorf was named Mannesmann AG.
- Country
- Germany
- Headquarters
- Mannesmann-Haus, Duisburg, Vodafone-Hochhaus
- Inception
- July 16, 1890
- Website
- https://www.mannesmann.com/
