Nucor Corporation is an American producer of steel and related products. It currently ranks as the largest steel producer in the United States of America and is the largest “mini-mill” steelmaker (i.e. it uses electric arc furnaces to melt scrap steel as opposed to blast furnaces to melt iron). Nucor is North America’s largest recycler of any material and recycled 16.9 million tons of scrap in 2015. It is headquartered in Charlotte, North Carolina, United States.