Ampco-Pittsburgh Corporation manufactures and sells highly engineered, high-performance specialty metal products and customized equipment utilized by industry throughout the world. Through its operating subsidiary, Union Electric Steel Corporation, it is a leading producer of forged and cast rolls for the global steel and aluminum industry. It also manufactures open-die forged products that principally are sold to customers in the steel distribution market, oil and gas industry, and the aluminum and plastic extrusion industries. The Corporation is also a producer of air and liquid processing equipment, primarily custom-engineered finned tube heat exchange coils, large custom air handling systems, and centrifugal pumps. It operates manufacturing facilities in the United States, England, Sweden, Slovenia, and participates in three operating joint ventures located in China. It has sales offices in North and South America, Asia, Europe, and the Middle East. Corporate headquarters is located in Carnegie, Pennsylvania.