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Simpson Technologies Corporation is a supplier of foundry and process technology. Founded in 1912, it is a family owned business concentrated on the design and manufacture of technology and services for the worldwide metal casting and chemical process industries. Primary products include batch and continuous mixing equipment, molding sand coolers, on-line mixer controls, core sand preparation systems, shell sand preparation plants, sand reclamation systems, sand laboratory equipment and foundry system design, engineering and automation systems. Based in Aurora, Ill., Simpson Technologies has operations in the United States, Mexico, Switzerland, India and China.