POSCO Holdings Inc., together with its subsidiaries, operates as an integrated steel producer in Korea and internationally. It operates through six segments: Steel, Trading, Construction, Logistics and Others, Green Materials and Energy, and Others. The company engages in the production, import, sale, and export of steel products, such as hot and cold rolled steel, stainless steel, plates, wire rods, and silicon steel sheets, as well as pig iron, billets, blooms, and slabs; trading of steel and raw materials, textiles, agricultural commodities, and other goods; natural resources development and power generation activities; and planning, designing, and construction of industrial plants, civil engineering projects, and commercial and residential buildings. It is also involved in the manufacture and sale of various energy-related and other industrial materials, including anode and cathode materials for rechargeable batteries; investment business; and provision of alternative environmentally-friendly energy solutions, as well as information technology and operational technology, and integrated logistics services.