Nucor Corporation is an American steel manufacturer that is one of the largest producers of steel in the United States. The company was founded in 1940 and is headquartered in Charlotte, North Carolina. Nucor is a leading producer of steel products, including bars, beams, sheets, and plates, and it operates steel mills and plants across the United States. The company's product offerings serve a diverse range of industries, including construction, energy, transportation, and manufacturing. Nucor is known for its innovation and for being a low-cost producer of steel, and it has been a leader in the development of new steelmaking technologies. Nucor is committed to sustainability and has taken steps to reduce its environmental footprint, including reducing its energy use and emissions and recycling waste materials.