POSCO manufactures and sells steel rolled products and plates in South Korea and internationally. It operates through four segments: Steel, Construction, Trading, and Others. The company offers hot and cold rolled steel, stainless steel, plates, wire rods, and silicon steel sheets. It also plans, designs, and constructs industrial plants, civil engineering projects, and commercial and residential buildings; exports and imports steel products and raw materials; and generates electricity; produces gas and refuse derived fuel, as well as provides network and system integration, and logistics services. In addition, the company is involved in the engineering and construction; computer hardware and software distribution; economic research and consulting; business facility maintenance; architecture and consulting; investment in venture, energy, and bio tech industries; electronic commerce; intellectual property services and consulting; refractories and quicklime manufacturing and sales; trans