Kennametal, Inc. engages in the development and application of tungsten carbides, ceramics, and solutions used in metal cutting and extreme wear applications. It operates through the following segments: Metal Cutting and Infrastructure. The Metal Cutting segment develops and manufactures tooling and metal cutting products and services and offers an assortment of standard and custom metal cutting solutions to diverse end markets, including aerospace, general engineering, energy and transportation. The Infrastructure segment produces engineered tungsten carbide and ceramic components, earth-cutting tools, and advanced metallurgical powders, primarily for the energy, earthworks and general engineering end markets. The company was founded by Philip M. McKenna in 1938 and is headquartered in Pittsburgh, PA.