• AFC Benguet Corporation

    Sta. Cruz, Zambales

  • Platinum Group Metal Corporation (PGMC)

    Claver, Surigao

  • DESCO INC.

    Dinagat Island, Surigao

 

 

 

 

  • Nickelbase Corporation

    Claver, Surigao

  • AMSTS Prime Dev't Corporation

    Languyan, Tawi-tawi