Oshkosh Corp. engages in the design, manufacture, and marketing of specialty vehicles and vehicle bodies. It operates through the following segments: Access Equipment, Defense, Fire & Emergency, and Commercial. The Access Equipment segment consists of JerrDan and JLG, which manufactures aerial work platforms and telehandlers that are used in construction, industrial, institutional, and general maintenance applications to position workers and materials at elevated heights. The Defense segment produces tactical wheeled vehicles and supplies parts and services for the United States military and other militaries around the world. The Fire and Emergency segment sells commercial and custom fire vehicles, simulators, and emergency vehicles primarily for fire departments, airports and other governmental units, and broadcast vehicles for broadcasters and television stations. The Commercial segment includes McNeilus, CON-E-CO, London, Iowa Mold Tooling Co., Inc (IMT), and Oshkosh Commercial. The company was founded in 1917 and is headquartered in Oshkosh, WI.