- Hudbay Peru
- Sociedad Minera Reliquias
- BHP Billiton
- Heeney Capital
- Magma Minerals Corp
- Auryn Resources
- Rio Tinto Mining and Exploration
- MINSUR
- Southern Copper Corp Peru
- Orvana Minerals Corp
- Freeport McMoran
- Chakana Resources
- Puno Gold
- Caster Investment Ltd.
- Sumitomo Metal Mining Perú
- Caza Gold Corp
- Corporación Minera Centauro
- First Quantum Minerals
- Coppernico Exploraciones
- Stellar Mining
- Volcan Perú
- APA Mining
- Corporación Minera Toma La Mano
- Minera S.A.
- Atacama Minerals
- HS Exploration Consulting
- OX Minerals
- Braeval Mining Corp.
- Oban Exploration Ltd.
- Talisker Exploration Services Inc.
- Appian Capital
- Rio Novo Gold Inc.
- Wild Acre Metals Limited
- Minera Ancocala
- Southern Peaks Mining Ltd.
- CIC Resources Perú
- Rio Rico Resources Perú
- Hochschild Mining PLC
- CB Gold Inc.
- Leyhat Colombia Sucursal
- Inversiones Troy
- Essentium Group - España
- Black Swan Minerals
- Analytical Mineral Service
- Upstream Mining
- Lumina Copper
- OZ Minerals
- Western Metals
- Strait Gold Corporation
- Network Resources
- Grupo Orbis
- Eurasian Minerals
