Ampco-Pittsburgh Corporation is a producer of forged and cast rolls for the steel and aluminum industries across the world, as well as ingot and open die forged products for the oil and gas, aluminum, and plastic extrusion industries. The Company is a producer of air and liquid processing equipment, primarily finned tube heat exchange coils, air handling systems and centrifugal pumps. The Company operates its businesses in two segments: Forged and Cast Engineered Products, and Air and Liquid Processing. The Forged and Cast Engineered Products segment consists of Union Electric Steel Corporation (Union Electric Steel or UES) and Union Electric Steel UK Limited (UES-UK). Union Electric Steel Corporation conducts the business under the brand name Union Electric Akers. Air and Liquid Processing segment includes Aerofin, Buffalo Air Handling and Buffalo Pumps, all divisions of Air & Liquid Systems Corporation (Air and Liquid), a subsidiary of the Company.