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ASARCO LLC produces copper, alloys and minerals in the United States. The company’s products include refined copper cathodes, rods, and cakes, selenium, tellurium, and Enviroalloy, a bismuth/selenium alloy. Asarco LLC was formerly known as American Smelting and Refining Co. The company was founded in 1899 and is based in Tucson, Arizona, United States.


  • 5285 East Williams Circle, Suite 2000  

Town, State, Country

  • Tucson, AZ, United States  


  • 85711 -7711 
  • President & Chief Operating Officer Manuel E. Ramos
  • No. of employees 1,001-5,000
  • Ownership Grupo Mexico SAB de CV, Mexico, 100.00%


  • ISO 9000
  • ISO 9001
  • ISO 14001


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