Malden / Massachusetts / United States
Founded in 1910, F.M. Callahan & Son Inc. is a full-service company and manufactures plating and coating engraving. Located in Malden, Mass., the company plates various metals of silver and gold, electroless nickel, sulfamate nickel, zinc, copper, tin and tin-leads. F.M. Callahan & Son Inc. offers a broad range of products for its customers, such as precious metal plating, zinc plating, copper, bright nickel plating, sulfamate nickel, pickling, sulfuric acid, color anodizing and many more. Its surface treatments include black oxide, pickling, passivating, iridating and chromating.
