Kennametal, Inc. engages in the manufacture of tungsten carbide metal cutting tooling. It operates through the following segments: Industrial, Widia, and Infrastructure. Read More The Industrial segment focuses on customers in the transportation, general engineering, aerospace and defense market sectors, delivering high performance metalworking tools for specified purposes. The Widia segment offers a focused assortment of standard and custom metal cutting solutions to general engineering, aerospace, energy and transportation customers. The Infrastructure segment involves customers in the energy and earthworks market sectors that support primary industries such as oil and gas, power generation and chemicals; underground, surface and hard-rock mining; highway construction and road maintenance; and process industries such as food and feed. The company was founded by Philip M. McKenna in 1938 and is headquartered in Pittsburgh, PA.