Oshkosh Corporation is an industrial technology company that manufactures purpose-built vehicles and equipment for the access, defense, fire and emergency, refuse collection and concrete placement markets. Its segments include Access Equipment, Defense and Vocational. The Access Equipment segment manufactures and markets aerial work platforms and telehandlers used in a variety of construction, industrial and general maintenance applications to position workers and materials at elevated heights, as well as carriers and wreckers. The Defense segment manufactures and markets tactical vehicles, trailers, weapons system integration and supply parts and services for the United States military and for other militaries around the world. This segment also offers delivery vehicles for the United States Postal Service (USPS) and snow removal vehicles for military and civilian airports. The Vocational segment is engaged in designing, developing and manufacturing purpose-built vocational vehicles.