PT Krakatau Steel (Persero) Tbk is engaged in the steel production industry and operates in the city of Cilegon, Banten Province. Its segments include Steel Products, Infrastructure Facility, Engineering and Construction, and Other Services. The Steel Products segment is mainly involved in steel production and selling, including hot rolled coils, cold rolled coils and wire rods, various steel pipes, reinforcing bars and steel wires, scrap and services related to steel, such as coating and tolling services. The Infrastructure Facility segment consists of port management services, real estate and hospitality, electricity, warehouse services, and industrial water supply. The Engineering and Construction segment provides construction and industrial engineering, planning and construction/contractor of various types of buildings, export and import of goods, services and software related to the aforementioned activities. The Other Services segment provides information technology services.