15 Largest Mining Companies by Market Cap In this article we will take a look at the 15 largest mining companies by market cap. You can skip our detailed analysis of the mining industry’s outlook for 2021 and some of the major growth catalysts for bank stocks and go directly to The global mining sector is undoubtedly one of the fastest-growing industries today. Nearly all the manufacturing industries acquire their raw materials from the mining industry and depend on them to make and sell their products. The operations of the mining companies involve the exploration and mining of precious and non-precious metals, minerals, and energy commodities like coal and petroleum. Along with manufacturing industries, several other sectors of every country depend on such commodities. Also, the mining industry contributes to the national GDP and represents a major proportion of the world’s economy. According to the U.S. Geological Survey data, the mines in the U.S. produced approximately $82.3 billion in minerals in 2020.