- Apex Silver
Part owner of the San Cristobal silver mine. - CALCO Bolivia
Company dedicated to the extraction, processing and transformation of non-metalic minerals. - Eaglecrest Explorations Ltd.
Mining company with properties in San Simon, located in northeastern Bolivia, Itenez Province, department of Beni. - Manquiri Mining Company
A subsidiary of Coeur d'Alene Mines Corporation. - Puerta de Oro Mining Company
Empresa Minera Puerta de Oro (EMPO) S.R.L. is a private Bolivian mineral resource company with European venture capital. EMPO owns fully a base/precious metal project which is entering the exploration drilling stage. It is situated at the Precambrian shield of eastern Bolivia.
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