I am a big enthusiast of markets and how they work, who are their leaders, what countries are their leaders in and other information, so I wanted to know which are the main mining companies in USA.After a thorough search both on the internet and through market experts, I managed to have a parameter and make a ranking of the main companies that operate in this market so essential for the USA and the world. My interest in listing only US companies is because I am in the US but also because US mining companies have a lot of influence and importance in the global supply chain.Now let’s get straight to the point, the ranking was as follows: 1 – Newmont GoldcorpNewmont Goldcorp is a company that explores gold and copper and is located in the USA, Australia, Ghana, Peru, and Suriname. Its market value is US$31.8 billion. 2 – Southern CopperSouthern Copper is one of the largest copper producers in the world and operates in Argentina, Chile, Ecuador, Mexico, and Peru. Its market value is US$ 25.6 billion. 3 – Freeport-McMoRanFreeport-McMoRan is also another copper miner and operates in North America, South America, and Asia. Its market value is US$ 15 billion. 4 – FMCDespite being primarily a chemical company, FMC is fully involved in lithium production, which categorizes it as a mining company. Its market value is US$ 11.7 billion. 5 – MosaicMosaic is the main producer of concentrated phosphate and potassium. Its main production mines are in Florida and Louisiana, Mexico, and Canada. Its market value is US$9.1 billion. 6 – AlbemarleAlbemarle as well as FMC is involved in the production of lithium but also the production of bromine. Its main projects are in Australia and its market value is US$ 8.4 billion. In my brief but effective survey, these are the top US-based mining companies and all of them are one of the world’s leading industries.