Nucor Corporation is an American producer of steel and related products based in Charlotte, North Carolina. It is the largest steel producer in the United States, the largest "mini-mill" steelmaker (i.e. it uses electric arc furnaces to melt scrap steel as opposed to blast furnaces to melt iron), and the biggest recycler of scrap in North America. , Nucor was the 15th-largest steel producer in the world. Current operations Nucor operates 23 scrap-based steel production mills. In 2019, the company produced and sold approximately 18.6 million tons of steel and recycled 17.8 million tons of scrap. Nucor produces steel bars (carbon and alloy steel), beams, sheets/flat rolled steel, plates, steel joists, joist girders, steel decks, fabricated concrete reinforcing steel, cold finished steel, steel fasteners, metal building systems, light gauge steel framing, steel grating, expanded metal, and wire mesh. In addition to steel, Nucor also brokers ferrous and nonferrous metals such as pig iron and HRI/DRI, supplies ferro-alloys, and processes ferrous and nonferrous scrap through its The David J. Joseph Company subsidiary. None of Nucor's mills are unionized and the corporate culture is opposed to trade unions. Divisions Nucor operates many independent subsidiaries, including: Nucor Steel Operations: Located in Alabama, Arizona, Arkansas, Florida, Illinois, Indiana, Kentucky, Missouri, Mississippi, Nebraska, North Carolina, South Carolina, Ohio, Tennessee, Texas, Utah, and Washington. These plants use mini-mills (electric arc furnaces and continuous casting technologies) to recycle steel. The Nucor Steel plant in Louisiana and Nu-Iron in Trinidad produce direct reduced iron, which is used in electric arc furnaces to supplement iron units in Nucor’s steel recycling operations. Duferdofin: A joint venture between Nucor and Duferco based in Italy - produces merchant bar. Nucor Cold Finish: Located in Canada (Laurel), Georgia, Missouri, Nebraska, Ohio, South Carolina, Utah and Wisconsin. These facilities use hot rolled steel bar to produce cold drawn bar using a process known as drawing. Nucor owns several steel joist and engineered building divisions, including Vulcraft (AL, IN, NE, NY, SC, TX, UT, Ontario, Alberta), Nucor Building Systems (IN, SC, TX, UT), American Buildings Company (AL, IL, CA, VA), CBC Steel Buildings (CA), Kirby Building Systems (TN) and Verco Decking. Nucor Fastener: Based in Indiana. Produces carbon and alloy steel standard and special screws, bolts, and nuts. Harris Rebar: A fabricator, installer and distributor of concrete reinforcing steel and related products. Harris Supply Solutions is a distributor of steel and concrete products including rebar,