| Nucor Corporation 纽柯钢铁公司 | Nucor Corporation is an American producer of steel and related products headquartered in Charlotte, North Carolina. It is 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). |
| United States Steel Corporation 美国钢铁公司 | United States Steel Corporation (NYSE: X), more commonly known as U.S. Steel, is an American integrated steel producer headquartered in Pittsburgh, Pennsylvania, with production operations in the United States and Central Europe. |