Teck Resources Limited known as Teck Cominco until late 2008, is a Canadian metals and mining company. Canada's largest diversified resources company, it was formed from the amalgamation of Teck and Cominco in 2001.Teck's principal products at 2017 are coal, copper, zinc, with secondary products including lead, silver, gold, molybdenum, germanium, indium and cadmium.