Ranking compiled based on latest available data on September 26, 2025. Only companies that were headquartered in the United States were included. Precious metals and industrial metals mining companies were considered, and only companies with mining operations were included.
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Leading U.S. mining companies based on market capitalization 2025
As of a September 2025 ranking of the leading United States-based mining companies based on market capitalization, Southern Copper Corp was the largest U.S. mining company based on market cap. As of that time, Southern Copper Corp had a market capitalization of some **** billion U.S. dollars. Newmont Corporation, headquartered in Colorado, was second in this ranking, with a market cap of nearly ** billion U.S. dollars at that time.
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Financial Times. (September 26, 2025). Leading mining companies in the United States in September 2025, based on market capitalization (in billion U.S. dollars) [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 30, 2026, from /statistics/726608/leading-united-states-mining-companies-based-on-market-capitalization/
Financial Times. "Leading mining companies in the United States in September 2025, based on market capitalization (in billion U.S. dollars)." Chart. September 26, 2025. ÌÇÐÄÆƽâ°æ. Accessed July 30, 2026. /statistics/726608/leading-united-states-mining-companies-based-on-market-capitalization/
Financial Times. (2025). Leading mining companies in the United States in September 2025, based on market capitalization (in billion U.S. dollars). ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 30, 2026. /statistics/726608/leading-united-states-mining-companies-based-on-market-capitalization/
Financial Times. "Leading Mining Companies in The United States in September 2025, Based on Market Capitalization (in Billion U.S. Dollars)." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 26 Sep 2025, /statistics/726608/leading-united-states-mining-companies-based-on-market-capitalization/
Financial Times, Leading mining companies in the United States in September 2025, based on market capitalization (in billion U.S. dollars) ÌÇÐÄÆƽâ°æ, /statistics/726608/leading-united-states-mining-companies-based-on-market-capitalization/ (last visited July 30, 2026)
Leading mining companies in the United States in September 2025, based on market capitalization (in billion U.S. dollars) [Graph], Financial Times, September 26, 2025. [Online]. Available: /statistics/726608/leading-united-states-mining-companies-based-on-market-capitalization/
