These are the world's 40 biggest mining companies | MININGJun 14, 2016 . A lithium miner joins top ranks of listed mining firms for the first time as the price of the battery ingredient skyrockets.world s largest coal company,Table 10. Major US Coal Producers, 2015 - US Energy Information .Major U.S. Coal Producers, 2015. Rank. Controlling Company Name. Production (thousand short tons). Percent of Total Production. 1. Peabody Energy Corp.
world s largest coal company