Manufacturers of Precious Metal Electrical Contacts and Contact Assemblies. Refractory Metal Compositions include Silver-Tungsten, Silver-Tungsten Carbide, Silver-Molybdenum, Silver Graphite & Silver-Nickel. Semi-Refractory Wrought Metals includes Silver-Cadmium Oxide, Silver-Tin Oxide, Silver-Nickel, Coin Silver & Fine Silver. Hoyt operates our own Copper Extrusion Mill, specializing in non-standard custom shape Copper bars. Full CNC Machining & Turning, Stamping, Brazing, Powder Metallurgy and Custom Assembly capabilites available.