Top 10 Usbased Mining Companies The Northern Miner
Jul 24, 2020 Hecla Mining NYSE HL is a silver and gold producer with assets in the U.S., Canada and Mexico. The company, founded in 1891, is the largest primary producer of silver in the U.S. and the fifth largest gold producer in Quebec. This year, Hecla expects to generate 10.9 million-11.9 million oz. silver and 195,000-208,000 oz. gold.