POSCO Holdings Inc is a holding company and operates through its subsidiaries. The company operates across four distinct segments. The first segment is the Steel Segment, which includes the production and sale of steel products. The second segment is the Infrastructure Business, which is further divided into three operations. The Trading Segment comprises trading and natural resource development activities. The Construction Segment involves the planning, designing, and construction of industrial plants, civil engineering projects, and buildings. The Logistics and Others Segment. The third segment is the Secondary Battery Materials Segment, and the fourth segment is the Others Segment.