Sidma Steel S.A. engages in processing and trading of steel products in Greece and internationally. It operates through two segments, Steel and Other. The company offers flat products, such as hot rolled, pickled and oiled, cold rolled, galvanized, prepainted, and plastified coils and sheets, as well as corrugated and trapezoidal galvanized sheets, and quarto and shipbuilding plates. It also provides long products, including merchant bars, beams, and crane and steel rails; tubes comprising rolled and galvanized hollow structural sections, electric resistance welding (ERW) and scaffolding steel tubes, ERW construction galvanized steel tubes, and wall tubes; wire products, such as galvanized and black wire, and galvanized fencing mesh; and panels. In addition, the company engages in the production of metal construction materials and thermal insulation panels. Sidma Steel S.A. was founded in 1931 and is headquartered in Aspropyrgos, Greece.