Ramiro Trevizo Ledezma

Part of Freeport-McMoRan, Inc., Cyprus Amax Minerals Co. is a private company that engages in the production of molybdenum, lithium, copper, and coals. The company is based in Phoenix, AZ. Cyprus Amax Minerals was acquired by Phelps Dodge Corp. on December 02, 1999 for $1,816.19 million.

Echo Bay Mines Ltd. mines, processes, and explores for gold. It has major gold producer mines in Canada and the United States with exploration and development projects in four continents. The company is located in Edmonton, Canada.

Minera Andes, Inc. is an exploration company exploring for gold, silver and copper in Argentina. Its properties and targets are in two mining friendly provinces of Argentina-Santa Cruz Province in the south and to the North, in the San Juan Province. The company was founded on September 06, 1995 and is headquartered in Toronto, Canada.

Tara Gold Resources Corp. engaged in the acquisition, exploration and development of precious metals projects. It focused primarily on gold mining portfolio in places such as La Currita Mine, Don Roman and Lourdes, Picacho, and Las Minitas. The company was founded on October 14, 1999 and was headquartered in Henderson, NV.

Part of Exelon Corp., OSP Consultants, Inc. provides engineering and design, craft, and project management services for the telecommunications industry. The private company is based in Sterling, VA. OSP Consultants was acquired by Exelon Infrastructure Services, Inc. on October 18, 1999.

The Canadian Institute of Mining, Metallurgy & Petroleum (CIM) is a not-for-profit technical society of professionals in the Canadian minerals, metals, materials, and energy industries. CIM is based in Westmount, Canada, and has subsidiaries in Canada. CIM provides a wealth of benefits to its members, including building industry knowledge, enhancing professional profiles, and raising Canadian company visibility. The institute offers a range of services, including professional development, distinguished lecturer programs, and awards. The private company was founded by Patrick B. Carlson, and the CEO is Angela Hamlyn.

Part of Tara Gold Resources Corp., Corporacion Amermin SA de CV owns and operates mineral claims. The private company is based in Temoris, Mexico.