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With a corporate heritage dating back over 170 years, Cliffs has been a major supplier to the production of iron and steel in the U.S. by offering steelmakers world-class raw materials. Today, Cliffs continues to be a leading iron ore mining company and operator. Pioneers in developing the beneficiation and pelletizing process, the Company holds the top position as the largest iron ore producer of pellets in North America, as well as one of the lowest cost producers in the world. Cliffs' technical knowledge and expertise has helped the company to foster strong relationships with steel producers through the years.