ALD Thermal Treatment, Inc. is a manufacturing service company that provides advanced vacuum heat treating processes to high-end customers. ALD established its first North American heat treat facility at Columbia, South Carolina in early 2001.  Since then, we have grown into North America’s largest commercial heat treating company that specializes in Vacuum Carburizing and High-Pressure Gas Quenching technologies.  With two facilities for high-volume production, ALD has over 100 dedicated employees working at our Columbia, SC and Port Huron, MI facilities.  ALD Thermal Treatment is a South Carolina corporation and the US subsidiary of ALD Vacuum Technologies, GmbH www.ald-vt.de. ALD Vacuum Technologies, GmbH is owned by  Safeguard International Fund L.P. www.safeguardintl.com. ALD with its outstanding position in the market and, above all, the potential of our product, process and service makes ALD attractive with a long-term perspective.