Salzgitter AG, together with its subsidiaries, engages in steel and technology businesses worldwide.

It operates through five segments: Strip Steel, Plate/Section Steel, Mannesmann, Trading, and Technology.

The Strip Steel segment manufactures branded and special steels, such as hot-rolled strip steel and steel sheets, sections, tailored blanks, and components for the construction industry.

The Plate/Section Steel segment produces various high-grade heavy plates for engineering, shipbuilding, and mechanical engineering, as well as trades in scrap.

The Mannesmann segment is involved in the manufacture of line pipes, HFI-welded tubes, precision and stainless-steel tubes, and spiral-welded and longitudinal-welded large-diameter pipes; and seamless and welded tubes for the energy, automotive, and mechanical engineering sectors.

The Trading segment operates a European sales network, as well as trading companies and agencies worldwide.

The Technology segment engages in the provision of machinery and plants for the filling and packaging of beverages, as well as special machinery engineering for shoe manufacturing and elastomer production.

The company also provides IT, facility management, logistics, automotive engineering, and research and development services, as well as supplies raw materials.

Salzgitter AG was founded in 1858 and is headquartered in Salzgitter, Germany.