The Simpson Group is a family of world renown foundry and process technology Brands thriving in a synergistic relationship of design, manufacturing and application. Together, our Brands – Simpson Technologies Corporation, Beardsley & Piper LLC, Hartley Controls Corporation, Simpson+Gerosa and Simpson+Dietert – form a uniquely capable enterprise: a globally capable single source for innovative, original technology dedicated to improving the performance and profitability of our customers in the foundry and process industries. From process industry mixing plants to a wide portfolio of foundry technologies including molding sand coolers, batch and continuous mixers, on-line process controls, sand reclamation, sand laboratory instrumentation, core machines, core sand preparation plants, gas generators, odor scrubbers, shell sand preparation plants, molding machines, mold handling equipment, pneumatic transporters and system automation & SCADA systems, the family of Brands that make up the Simpson Group succeed individually and as a whole through our dedication to technical innovation and superior customer service.