POSCO, or Pohang Iron and Steel Company, is a prominent global steel producer based in South Korea. Established in 1968, the company was founded to support Korea's economic development and achieve self-sufficiency in steel production. Over the years, POSCO has become one of the largest steelmakers in the world, producing around 39 million tons of crude steel annually as of 2022, ranking sixth globally.

The company specializes in manufacturing a diverse range of steel products, including hot rolled products, plates, and stainless steel, which serve various industries such as automotive, home appliances, shipbuilding, construction, and engineering. With over 181 subsidiaries in more than 50 countries, POSCO has a significant international presence. The company has also invested in advanced steelmaking technologies and research and development, contributing to its ongoing modernization and innovation. Additionally, POSCO emphasizes talent development through initiatives like the Pohang University of Science and Technology (POSTECH).