1800-1950 150 150 admin


ASARCO organized as American Smelting and
Refining Company. Included in original
consolidation were mines and mining claims
in Colorado and Mexico. Major plants in
consolidation included: Globe by-products
plant (Denver, Colorado), East Helena lead
smelter (Montana), El Paso lead plant (Texas).


Merged with M. Guggenheim’s Sons.
Included in the merger were the Perth
Amboy copper refinery (New Jersey) and
smelters in Mexico (Chihuahua lead smelter,
San Luis Potosi lead and copper smelter,
Monterrey lead and copper smelter). Acquired
five additional mines in Mexico.


Purchased mining properties in Silver Bell
district of Arizona. Copper smelters built in
El Paso, Texas, and Hayden, Arizona.


Amarillo, Texas, zinc plant constructed


Corpus Christi, Texas, zinc plant constructed.


Production commenced at Silver Bell,
ASARCO’s first open-pit copper mine.

ASARCO was organized in 1899 as American Smelting And Refining Company.
Originally a consolidation of a number of lead-silver smelting companies, the Company has evolved over the years into an integrated producer of copper, and other metals.
The Company is a fully integrated miner, smelter and refiner of copper in the United States.
Significant copper mines include the Mission, Silver Bell and the Ray open-pit mines, all three in Arizona. ASARCO has solvent extraction/electrowinning product at our Ray and Silver Bell mines.