Amerigo Resources is engaged in the production of copper and molybdenum concentrates with operations in Chile. Through its subsidiary, Minera Valle Central S.A., Co. has a contract with Chile's state-owned copper producer National Copper Corporation to process the tailings from El Teniente underground copper mine.

Copper Fox Metals is engaged in the exploration for and development of mining properties in Western Canada.

Endurance Gold is engaged in the exploration and development of mineral properties in North America and has not yet determined whether its properties contain ore reserves that are economically recoverable. The recoverability of the amounts expended on mineral interests by Co. is dependent upon the existence of economically recoverable reserves, the ability of Co. to obtain necessary financing to complete exploration and development of its mineral properties and upon future profitable production or proceeds from disposition of its mineral interests.

GIGA Metals is an exploration stage mineral resources company engaged in the acquisition and exploration of mineral properties, primarily in northern British Columbia. Co. has not yet identified any mineral resource on any of its properties that is of a commercially exploitable quantity.

Mineros is primarily engaged in the mining of gold, as well as in related activities pertaining to the mining industry in general, including the mining of precious metals, metallic or non-metallic mineral substances or hydrocarbons.

Regulus Resources is an exploration company engaged in the acquisition, exploration and development of mineral resources.

Rio Tinto is a mining group based in the United Kingdom and Australia. Co. is engaged in the business of finding, mining and processing mineral resources. Co.'s major products are iron ore, aluminium, copper, diamonds, coal, uranium, gold and industrial minerals (borax, titanium dioxide and salt). Co.'s activities span the world but are strongly represented in Australia and North America with significant businesses in South America, Asia, Europe and Africa. Co.'s operations comprise four principal product groups - Iron Ore, Aluminium, Copper and Diamonds, and Energy & Minerals.

Santacruz Silver Mining is engaged in the operation, acquisition, exploration and development of mineral properties in Mexico, with a primary focus on silver, but also including gold, zinc and lead. Co. is focused on meeting and maintaining its primary production objective of producing approximately 1.5 million silver equivalent ounces on a yearly basis at its producing property, the Rosario Mine. In addition, Co. is exploring three other mineral properties, being the San Felipe Project (an advanced stage project), the Gavilanes Project (an exploration project), and the El Gachi Property (an early stage exploration project).

Spanish Mountain Gold is an exploration stage company engaged in the acquisition, exploration and development of mineral properties.

Wabi Exploration is engaged in the exploration of minerals.