Anglo American is a global mining company with a portfolio of mining operations and undeveloped resources. Co. is focused on diamonds, copper, platinum group metals (PGMs), and bulk commodities and other minerals. Co.'s segments include: De Beers, which produces rough and polished diamonds; Copper, which produces copper; Platinum, which produces PGMs; Iron Ore and Manganese, which produces iron ore, manganese ore and alloys; Coal, which produces metallurgical coal and thermal coal; and Nickel, which produces nickel.

Elcora Advanced Materials is a vertically integrated graphite company that mines, processes, refines, performs added value manufacturing and markets graphite and graphite products.

Element 25 Limited, formerly Montezuma Mining Company Limited, is a mineral exploration company. The Company is engaged in carrying out exploration on its tenements and also applies for or acquired additional tenements. Its segments include Australia and France. Its segments are engaged in the determination and assessment of the existence of commercial economic reserves, from the Company's mineral assets in its geographic location. It holds various multi-commodity exploration and mining tenements in Western Australia. Its primary focus is on its approximately 100% owned Yamarna Gold Project, as well as its over 100% owned Holleton Gold Project, which is located approximately 400 kilometers east of Perth. It owns a manganese resource at its approximately 100% owned Butcherbird Project. It has nickel sulfide potential at the Green Dam Project and has a pipeline of business development activities ongoing in France. The Green Dam Project is located east of Kalgoorlie in Western Australia.

Eramet is a mining and metallurgical group, which specializes in the extraction, production and marketing of non-ferrous metals, their chemical derivatives, alloys and superalloys, and parts. Co.'s operations are divided into three divisions: Nickel division which focuses on nickel and its derivative applications; Manganese division which focuses on manganese alloys, manganese chemical derivatives and provides recovery and recycling services of metals contained in oil-industry catalysts, electric batteries and acid solutions; and Alloys division which produces and sells special high-performance steels, superalloys and pre-machined parts based on these materials or aluminium and titanium.

OM Holdings is an investment holding company. Through its subsidiaries, Co. is engaged in the operation of manganese mine; exploration and evaluation activities; sales and processing of ferroboron, ferroallory and ores; trading of metals, fabricated metals and ferroalloy products.

South32 is engaged in mining and metal production from a portfolio of assets for the commodities of alumina, aluminium, bauxite, energy and metallurgical coal, manganese ore, manganese alloy, nickel, silver, lead and zinc. As of June 30 2016, Co. operated 10 segments, which were comprised of: Worsley Alumina, South Africa Aluminium, Brazil Alumina, Mozal Aluminium, South Africa Energy Coal, Illawarra Metallurgical Coal, Australia Manganese, South Africa Manganese, Cerro Matoso, and Cannington.

Vale is a producer of iron ore and iron ore pellets, raw materials for steelmaking, and producer of nickel, which is used to produce stainless steel and metal alloys employed in the production of several products. Co. also produces manganese ore, ferroalloys, metallurgical and thermal coal, copper, platinum group metals ("PGMs"), gold, silver, cobalt, potash, phosphates and other fertilizer nutrients. Co. is engaged in greenfield mineral exploration in six countries around the globe. Co. operates in four segments: ferrous minerals, coal, base metals others.