Garfield Refining is a Philadelphia, Pennsylvania based refinery specializing in the purchase of precious metal, including gold, silver, platinum and palladium. The company was founded in 1892 and was originally called Eastern Smelting. In 1928, it was purchased by the Garfield family. Still located in Philadelphia, Garfield’s headquarters house a facility that separates precious metals from waste material, as well as an on-site assay laboratory.