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.
Formed in 2002, Boston Applied Technologies Incorporated provides a complete light intensity and polarization management solution for the telecommunications and instrumentation markets. The company develops a variety of photonic materials and components for telecommunication and instrumentation applications, such as Eclipse light intensity management devices, Nanona optical switches, optical passive devices, high power products and many more. In addition, it provides functional materials, thin films, phosphors, stokes imaging systems and hyperspectral imaging systems. Boston Applied Technologies Incorporated operates with subsidiaries; iOptron Corporation, U.S. and iOptron Scientific, China.
Duncan Galvanizing was founded in 1890 as J. Duncan Company, a galvanizer of patented switches and monorail systems. Based in Everett, Mass., since its inception, the company has been providing coatings for steel and provides protective coatings, galvanizing services and life style costing. Some of its brands for coating systems for all metals include Duragalv, Primergalv, Colorgalv, Colorgalv with Clearcoat, Duncan Thermoset and Duncan Colorgalv Thermoset. It offers effective corrosion protection for galvanized steel, black steel and metal substrates.
