Glencore and Xstrata
Reaching #1 on our list of Top 10 Mining Mergers and Acquisitions of All-Time is Glencore and Xstrata. In May 2013, the two companies merged together to form the world’s fourth-biggest mining company and the world’s biggest commodities trader. Together, the two companies have a diversified business spread across several commodities, including copper, coal and zinc. The company has a market value of roughly $66 billion.