Horsehead Holding Corp., together with its subsidiaries, produces and sells specialty zinc and zinc-based products in North America. The company’s products include PW zinc metal, which is used to provide a protective coating to various fabricated products, including pipe and guard rails, heat exchangers, and telecommunications towers, as well as for the production of brass; and SSHG zinc metal that is used as feed for the manufacture of high-purity zinc powder and zinc alloys. It also offers zinc oxide for the production of tire and rubber products, chemicals, ceramics, plastics, paints, lubricating oils, and pharmaceuticals. In addition, the company recycles electric arc furnace dust, a hazardous waste generated by steel mini-mills. Further, it provides special zinc powders, which are used in general chemical and metallurgical applications, as well as in friction applications, such as brake linings for automobiles; battery grade zinc powders that are used in alkaline, mercuric oxide, silver oxide, and zinc-air batteries; and copper-based powders, including brass, bronze, and nickel-silver powders, which are used in various applications comprising brazing, infiltrating, and powdered metallurgical hardware, such as lock bodies, valves, and gears. Additionally, the company offers short-line railroad service for the movement of materials. It primarily serves galvanizers and brass producers; alkaline battery industries; and manufacturers of tire and rubber products, lubricating oils, chemicals, paints, ceramics, plastics, and pharmaceuticals. The company was incorporated in 2003 and is based in Pittsburgh, Pennsylvania.