Rollform of Jamestown Inc

Established in 1907, Williams Advanced Materials is a supplier of specialty materials used in thin film deposition and semiconductor packaging applications. The company offers a wide range of physical vapor deposition products, including sputtering materials and targets, target bonding, backing plates, evaporation materials and crucible liners. It also offers a variety of engineered materials, such as high-vacuum compound, under bond metallization, silicon, Sil-R, silver-based alloys and superior thin films. The company s physical vapor deposition materials include pure metals, precious alloys, alloys and cermets, borides, carbides, fluorides, nitrides, silicides and oxides. It has subsidiaries in Buellton, Calif., Limerick, Ireland, and Milwaukee, and manufacturing facilities in Buffalo, Wheatfield and Brewster, N.Y., Singapore, Santa Clara, Calif., Taiwan, China and Philippines.

Established in 1987, Buffalo Tungsten Inc. is one of the leading manufacturers of tungsten powder products in the world. The company s primary product line includes tungsten metal powder and tungsten carbide powder. It also specializes in the manufacture of several additional products such as WC/Co thermal spray powder and nano sized tungsten carbide powder. Buffalo Tungsten Inc. has capabilities to produce various sizes of crushed tungsten carbide hard metal. The company s products are used in powdered metallurgy applications such as electrical contacts, heavy metal alloys, electronic heat sinks, mining tools and fabricated tungsten rod/bar.

Dunkirk Specialty Steel is a subsidiary of Universal Stainless & Alloy Products, which manufactures and markets semifinished and finished specialty steel products, such as stainless steel, tool steel and certain other alloyed steels, in a variety of grades, widths and gauges. It has its facilities in Bridgeville, Pa. Established in 1994, the company's products are sold to rerollers, forgers, service centers and original equipment manufacturers. Its customers further process its products for use primarily in the heavy equipment manufacturing, power generation and aerospace industries. It also performs conversion services on materials supplied by customers. Universal Stainless & Alloy Products has a second manufacturing facility at Titusville, Pa., that produces precision-rolled products. Dunkirk Specialty Steel is headquartered in Dunkirk, N.Y.