Herrmann Kamp establishes the Paulinenhütte in Dortmund in the vicinity of the Tremonia mine and relocates the iron works, hammer mill, and rolling mill of the "Mech. Werkstatt Harkort & Comp. from Wetter/Ruhr to Dortmund.Product range: Axles, wheels, iron garnishment, and freight cars for railroad systems produced of self-made iron.

Paulinenhütte in 1855	Carl Ruetz

Carl Ruetz, who founded in 1845 on the Aachen estate the steelworks "Aachener Hütten-Aktien-Verein Rothe Erde", purchases the Paulinenhütte and relocates the Aachen works to Dortmund. The Paulinenhütte gets the company name: "Rothe Erde Dortmund" which is still used today.

The company becomes a subdivision of Dortmunder Union, Dortmund.

New foundation of Eisenwerk Rothe Erde G.m.b.H., Dortmund. Product range: Forge, bending shop, mechanical workshop and Rothe Erde ball bearing turntables - launch of slewing bearing production.

Takeover of Lippstadt Eisen- und Metallwerke GmbH by Dortmund-Hörder-Hüttenverein and Eisenwerk Rothe Erde.

Fusion welding of turntable rings 1935	Turntable lathe shop 1935

Reconstruction of the company which had been destroyed during the war.

Double-row ball bearing slewing ring 1949	Turntable ring 1949

Dortmund plant 1951

In the wake of the restructuring of the iron and steel industry, assignment of the equity interests of the company to the Dortmund-Hörder-Hüttenunion AG, Dortmund. Production relocation of Rothe Erde ball bearing turntables and slewing bearings to Lippstadt.

Beginning internationalisation by establishing a marketing company in England.

Foundation of the first manufacturing facility in the U.S.A. In the sixties and seventies extension of the manufacturing facilities to Japan, Italy, England, Brazil and Spain.

Following the merger between Dortmund-Hörder-Hüttenunion AG and Hoesch AG, integration into the Hoesch group, Dortmund.

Establishment of a modern ring rolling mill in Dortmund.

Peterlee production facility opened

Takeover of Hoesch AG by the Krupp group and subsequent merger into Fried. Krupp AG Hoesch-Krupp. Hoesch Rothe Erde - with the business fields slewing bearings and seamless rolled rings - is included into the group.

Since the merger of the Thyssen AG and the Fried. Krupp AG on March 17, 1999 in order to form the Thyssen Krupp AG, Rothe Erde is a member of the group ThyssenKrupp Industries.

Establishment of a manufacturing facility in China. Since June 2002 change of the company name into Rothe Erde GmbH.


Administration in Dortmund in 2005