Klaus Zeitler

Metall Mining is a Canadian-based global mining company that produces copper, zinc and gold. They have interests in four mining operations in locations around the world in Çayeli, Pyhäsalmi, Troilus and Ok Tedi. Their current operating base and future growth plans continue to be focused on the production of base metals. Copper is their main focus and has the biggest impact on their profitability

Rio Alto Mining Ltd. explores, develops, and exploits mineral properties. It focuses on the development of the La Arena gold/copper project, which is located in the north central Peru. The firm is also in the business of acquiring, exploring, and developing gold resources and advanced stage exploration projects in both Peru and Latin America. The company was founded on April 3, 1987 and is headquartered in Vancouver, Canada.

Inmet Mining Corp. explored and mined for copper, zinc and gold. The firm has three mining operations located around the world in Las Cruces, Pyhäsalmi and Cobre Panama. The company was founded on June 1, 1987 and was headquartered in Toronto, Canada.

Forrester Metals, Inc. engages in the exploration and development of mineral potentials in Peru. Its projects includes Azulcocha West, Bongara Zinc Mine, and Charlotte Bongara Zinc project. The company was founded by Juan M. Vegarra on December 24, 1987 and is headquartered in Toronto, Canada.

Western Silver Corp. explores, discovers and develops silver properties in America. The firm controls one of the world's largest open pittable silver-gold-zinc-lead deposits at Peñasquito, central Mexico, an area with infrastructure. It also has an interest in the world-class San Nicolas zinc-copper project in Mexico with Teck Cominco and owns the Carmacks Copper Project in the Yukon. The company was founded in 1984 and is headquartered in Vancouver, Canada.

Tahoe Resources, Inc. is an exploration stage company. It engages in the exploration, development, operation, and acquisition of mineral properties. The company was founded by C. Kevin McArthur on November 10, 2009 and is headquartered in Reno, NV.