Acerinox is the parent company of a group engaged in the manufacture and sale of flat and long stainless steel products, and stainless steel wires. Co.'s major products include slabs, billets, black coils, plates, hot-rolled coils, hot-rolled sheets, flat bars, hot-rolled re-bars, hot-rolled black bars, engraved sheets, cold-rolled coils, cold-rolled sheets and circles. Co. also provides long stainless steel products, such as wire rods, angles, hot rolled flat bars, hot rolled re-bars, reinforced bars in coils, cold rolled re-bars, hot rolled black bars, cold drawn bars, and smooth turned bars. In addition, Co. offers wires, welding wire bars, and bars for electrodes.

APERAM is a stainless and specialty steel producer. Co. produces a range of stainless steel products and products including electrical steel (grain oriented, non-grain oriented, and non-grain oriented semi-processed steel), nickel alloys and specialties. Co. sells its products to customers on three continents in over 40 countries, including aerospace, automotive, catering, construction, household appliances and electrical engineering, industrial processes, medical, and oil & gas industries. Co. manages its business according to three operating segments: Stainless and Electrical Steel; Services and Solutions; and Alloys and Specialties.

Outokumpu is organized into the following five business areas: Coil Europe, Middle East and Africa, which consists of stainless operations as well as ferrochrome production in Europe; Coil Americas, which produces standard austenitic and ferritic grades as well as tailored products; APAC, which includes cold rolling facility and coil and plate service center in China, as well as a coil service center in Australia; Quarto Plate, which is comprised of the quarto plate production facilities in Sweden and in the U.S.; as well as Long Products, in which its products are used in a range of applications such as springs, wires, surgical equipment, automotive parts and construction.