- BÓRAX ARGENTINA S.A. (Grupo Orocobre)
- COLQUE EXPLORACIONES S.A. (Golden Minerals Company)
- CONDORYACU S.R.L.
- GALAXY LITHIUM (Sal de Vida) S.A. (Galaxy Resources Lted.)
- MANSFIELD MINERA S.A.
- MH – ARGENTINA S.A.
- MINA PIRQUITAS INC. – Suc. Argentina (Silver Standard Resources)
- MINERA AUSTRAL S.A.
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- PACIFIC RIM MINING CORPORATION ARGENTINA S.A. (Silver Standard Resources).
- PEPINNINI ARGENTINA S.A. (Pepin Nini Minerals Lted)
- POTASIO Y LITIO DE ARGENTINA S.A. (Rodinia Minerals Inc.)
- PUNA EXPLORACIONES S.A. (Silver Standard Resources)
- RIO DIABLILLOS S.R.L.
- RODINIA MINERALS INC.
- SILEX ARGENTINA S.A. (Golden Minerals Company)
- SILVER STANDARD CORPORATION INC
- SOUTHERN COPPER ARGENTINA S.R.L.
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