The THEIS Group plays a leadimg role in the cold rolling industry. It was founded in 1910 at Hagen-Hohenlimburg, Germany, beginning by production of maximum precision poducts such as rods for weaving reeds.

The Group currently specializes in cold rolled flat-wires, solid-profiles grades of carbon alloy steels (hardenable), hardened materials, Thenox^® high-precision steel and THEIS steel strapping.

Pursuing a consistent policy of world-wide presence, THEIS acquired plants in Germany, United States, Spain and France, each specializing in specific products.

The Basauri (Vizcaya) Plant was incorporated in 1990, and specializes in grades manufactured from carbon and alloyed steel, and also THEIS packaging steel strips.