Ampco-Pittsburgh Corp. engages in the manufacture and sale of custom designed engineering products. It operates through Forged and Cast Engineered Products, and Air and Liquid Processing segments. The Forged and Cast Engineered Products segment produces forged hardened steel rolls, cast rolls and open-die forged products. Forged hardened steel rolls are used primarily in cold rolling mills by producers of steel, aluminum and other metals. The Air and Liquid Processing segment comprises of aerofin, buffalo air handling, and buffalo pumps divisions. The company was founded in 1929 and is headquartered in Carnegie, PA.