With a 2017 market capitalisation of $14.54bn, Fresnillo is the largest primary silver producer in the world. The company is also the second-largest gold producer in Mexico. Based in Mexico with its headquarters in Mexico City, the precious metals mining company incorporated in the United Kingdom (UK). It operates three silver and gold mines in Mexico: one each located in the states of Zacatecas, Sonora and Durango. 

http://www.fresnilloplc.com

https://www.facebook.com/Fresnillo-plc-234441720002861/

https://twitter.com/fresnillouk?lang=en

Headquartered in London, UK and Johannesburg, South Africa, Anglo American produces about 40% of the world's platinum, making it the largest company to do so. With additional operations in North America, Africa, South America, Asia, Europe and Australasia, Anglo American is also a major producer of precious materials such as nickel, iron ore, diamonds, coal and copper. Its market capitalisation was $17.33bn in 2017. 

http://www.angloamerican.com/#maincontent

https://www.facebook.com/AngloAmerican/

https://twitter.com/angloamerican

https://www.linkedin.com/company/anglo-american/

Newmont Mining, a mining company based in Colorado, United States, is the second-largest producer of gold in the world. With $17.51bn in market capitalisation as of 2017, Newmont Mining has active gold mines in Australia, Peru, New Zealand, Indonesia, Ghana and the United States. The company also mines copper and silver and maintains numerous joint venture relationships with other entities around the world. 

https://www.newmont.com/home/default.aspx

https://www.facebook.com/NewmontMiningCorporation

https://www.facebook.com/NewmontMiningCorporation

https://www.linkedin.com/company/newmont-mining-corporation/

https://www.youtube.com/user/NewmontMiningCo

Barrick Gold boasted $18.28 billion in 2017 in market capitalization.  Based in Toronto, Canada, the company maintains mining operations across the globe including those in Canada as well as Zambia, Papua New Guinea, Chile, Argentina, Saudi Arabia, Peru, Australia and the Dominican Republic. It is the world's largest gold mining company with over 75% of its production of the precious metal coming from the Americas. 

https://www.barrick.com/home/default.aspx

https://www.facebook.com/barrick.gold.corporation

https://www.instagram.com/barrickgold/

https://www.linkedin.com/company/barrick-gold-corporation/

https://twitter.com/BarrickGold

With a market capitalisation of $24.62bn as of 2017, Coal India is a state-controlled enterprise headquartered in West Bengal, India. The company is the world's largest producer of coal and contributes about 82% of the country's total coal production. It operates 81 mining areas that span eight states of the country. These are comprised of a combination of open cast, underground and mixed mines. 

https://www.coalindia.in/en-us/home.aspx

https://www.facebook.com/coalindiaHQ

https://twitter.com/CoalIndiaHQ

Headquartered in Rio de Janeiro, Brazil, Vale is the world's largest producer of both nickel and iron ore. It also produces kaolin, copper, potash, cobalt, ferroalloys and bauxite. The company boasted a market capitalisation of $40.17bn in 2017 and is one of the country's largest logistics operators. In addition to its mining operations, Vale also operates an expansive network of logistics solutions comprised of ports, railroads and ships to better transport its products. 

http://www.vale.com/EN/aboutvale/Pages/default.aspx

https://www.linkedin.com/company/vale/

https://www.youtube.com/user/ValeGlobal

Glencore Xstrata is headquartered in Switzerland and was ranked as the tenth largest company in the world according to the Fortune Global 500 list. Not only is Glencore Xstrata the country's largest company, it's also the world's largest commodities trading company. It maintains a 60% share of the world's internationally tradeable zinc and 50% of its copper. The company also produces ferroalloys and nickel. Glencore Xstrata posted a market capitalisation of $51.37bn as of 2017. 

http://www.glencore.com

https://twitter.com/glencore

https://www.linkedin.com/company/glencore/

https://www.youtube.com/user/glencorevideos

https://www.facebook.com/Glencore/

https://www.instagram.com/glencoreplc/

China Shenhua Energy is both the largest state-owned mining company in Mainland China and the world's largest coal mining enterprise. In addition to producing and selling coal and electric power, China Shenhua Energy also operates coal mines and an integrated seaport and railway network that it uses to transport coal. Operating primarily through its subsidiaries, China Shenhua Energy maintains both underground and open cut mines that enable it to sell millions of tonnes of coal each year. In 2017, the company posted a market capitalisation of $62.4bn. 

http://www.csec.com

https://m.facebook.com/pages/China-Shenhua-Energy-Company/105743456126774

https://www.linkedin.com/company/china-shenhua-energy-co-ltd-/

Rio Tinto, as one of the largest metals and mining companies in the world, posted a market capitalisation of $73.79bn in 2017. A multinational firm, Rio Tinto has its headquarters in Melbourne, Australia and London. Though it supports operations on six continents, the bulk of its activities are centred in Canada and Australia. Rio Tinto devotes the major portion of its operations in the extraction of minerals such as iron ore, uranium, copper, aluminium, diamonds and coal. The company also expends significant resources to refining iron ore and bauxite. 

https://www.riotinto.com

https://twitter.com/riotinto

https://www.youtube.com/user/RioTintoVideos

https://www.linkedin.com/company/rio-tinto

https://www.flickr.com/photos/riotinto/

Headquartered in Melbourne, Australia, BHP is the largest mining company in the world based on its market capitalisation of $87.86bn in 2017. In addition, the company is the third-largest in Australia with more than $38bn in revenue during that same year. In addition to potash, coal, copper, iron ore, nickel and uranium, BHP also sells and markets natural gas and petroleum. It has mines in the United States, Australia, Canada, Peru, Mexico, Columbia and Chile. 

https://www.bhp.com

https://www.bhp.com

https://www.linkedin.com/company/bhp/

https://www.youtube.com/bhp