F.M. Callahan & Son, Inc. Electroplating Since 1910 Malden, MA - Gold Plating, Silver Plating, Anodizing, Electroless Nickel Plating, Nickel Plating, Zinc Plating, Copper Plating, Tin Plating, Tin/Lead Plating, Black Oxide Plating, Chromating, Passivating, RoHS Compliant, Massachusetts Platers, Massachusetts Plating, Silver Plating in MA, Gold Plating in MA, Gold Plating in Massachusetts, Silver Plating in Massachusetts