PT Krakatau Steel (Persero) Tbk, together with its subsidiaries, engages in the production and trading of iron and steel products in Indonesia and internationally. The company operates through four segments: Steel Products, Infrastructure Facility, Engineering and Construction, and Other Services. The Steel Products segment is primarily involved in production and sale of steel products, such as sponge irons, slabs, billets, HRC, cold rolled coils and wire rods, various steel pipes, reinforcing bars, steel wires, and scrap, as well as services related to steel, including coating and tolling services. The Infrastructure Facility segment provides port services for berthing, loading and unloading goods and containers, seaport support services, warehousing, and transport services. This segment also offers development and sale of industrial estates, including infrastructure, hotels, and sports facilities; electricity supply services, as well as management and maintenance of power plants and electrical workshops; and clean water supply, industrial demineralized water supply, and waste management services for industry and companies. The Engineering and Construction segment provides construction and industrial engineering, planning and contracting of various types of buildings, export and import of goods, and related services and software. The Other Services segment offers information technology services. It also engages in the production and reinforcement of plain bars; manufacturing of sheet plates; production of steel pipes; coal and mining business; machinery maintenance, fabrication, and construction services; freight and warehousing services; vehicle and equipment rental services; consulting services; steel trading; plant maintenance services; and water treatment and distribution activities. PT Krakatau Steel (Persero) Tbk was founded in 1970 and is headquartered in Cilegon, Indonesia.