Address: 7800 East Dorado Place, Suite 210 Greenwood Village, CO 80111
Cotter Corporation N.S.L. is headquartered in Denver, Colorado. Originally incorporated in 1956 in New Mexico as a uranium production company, Cotter was purchased by and became a wholly owned subsidiary of Commonwealth Edison in 1975. Through its various mining and milling operations, Cotter has produced uranium, vanadium, molybdenum, silver, lead, zinc, copper, selenium, nickel, cobalt, tungsten and limestone.