Asarco Llc

Since 1899, Asarco Llc has been providing Copper Ores from Tucson.

; Asarco is one of the world's leading producers of copper, with mines, smelters and refineries located throughout the United States. The company also purchases concentrates containing silver and gold from other mining companies. Concentrates bearing precious metals are processed at Asarco's copper smelters in Texas. The resultant sediments recovered from the smelters are used as feed for...