- Magma Colta
- Address:Av Ballivian 13-14 Edif Atlanta 17B La Paz, La Paz
- Rio Grande Mining Company Limited
- Address:Achumani, Urb. Jurenko Bajo Calle 4, No. 300
- ALDAYUZ MINING COMPANY
- Address:Nuflo de Chavez# 53
- Lee Internacional Minerals
- Address:Adolfo Mier# 392
- CT CONVOY SRL
- Address:Ciclovia No 18
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