Vale is the second biggest mining company in the world and the largest private company in Latin America. Headquartered in Brazil and operating in 38 countries, Vale now employs over 126,000 people, including employees and contractors. Vale SA is a global leader in iron ore production and the second biggest nickel producer.
2. United States . Mine production: 56,300 MT. The US produced much less molybdenum in 2015 than it did in 2014 56,300 MT compared to 68,200 MT. The metal is often produced as a byproduct of copper and other metals, and thats evident when looking at US output stats 2015 molybdenum output in the country came from 10 mines, and was produced as a primary product at