15 Most Valuable Mining Companies in the World

3. Glencore plc (OTC: GLNCY)

Market Cap: $56.23 billion

Glencore plc (OTC: GLNCY) is based in Baar, Switzerland. The company mines and markets metals like cobalt, copper, nickel, zinc and lead, iron core, alumina, and vanadium. The company also provides coal and crude oil mining services.

Founded in 1974, the current company came after its merger with Xstrata in 2013. Glencore plc (OTC: GLNCY) operates in over 90 countries and has the most diversified commodity exploration portfolio globally. With respect to revenue of over $142.34 billion in 2020, the company is on top of the mining companies.