POSCO is a vertically integrated South Korean steelmaker and diversified infrastructure conglomerate that manufactures hot-rolled, cold-rolled, silicon and stainless steel products, along with plates and wire rods for automotive, construction, appliances, shipbuilding and energy sectors. Beyond its core steel business, the company operates trading, construction and logistics subsidiaries, produces battery materials for electric vehicles, and provides technology licensing and consulting services. The company generates revenue through direct sales of steel products, inter-company sales to subsidiaries, commodity trading commissions, construction contracts and battery material sales, serving both domestic Korean supply chains and global markets across North America, Europe, China and Southeast Asia.