• Apex Mining Company Inc.

    Maco, Compostella Valley

  • Benguetrade Corporation

    Paseo de Roxas, Makati City

  • Carmen Copper Corporation

    Toledo City, Cebu

  • Hawaiian Philippine Company

    Silay, Negros Occidental

  • Lepanto Consolidated Mining Company

    Paseo de Roxas, Makati City

  • Oceanagold (Phils) Inc.

    Didipio, Nueva Vizcaya

  • Ostrea Mineral Laboratory Inc.

    Biñan, Laguna

  • Philippine Associated Smelting And Refining Corporation (PASAR)

    Isabel, Leyte

  • Philex Mining Corporation

    Tuba, Benguet

  • Philex Silangan Mindanao Mining Company Inc.

    Surigao del Norte

  • Philsaga Mining Corporation

    Rosario, Agusan del Sur

  • TVI Resource Development Philippines Inc.

    Paseo de Roxas, Makati City