Since 1911, family-run Charles A. Hones, Inc. has designed and manufactured industrial gas burners, heat-treating furnaces, and metal-melting equipment in the United States. Now six generations strong, the Hones family builds its equipment at a 12,500-square-foot New York plant, including custom burners and modified furnaces made to fit unusual heating requirements. The company began in a Brooklyn storeroom making soldering furnaces and later grew into a specialist serving metalworking, foundry, artistic, and commercial heating applications.
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Lucifer FurnacesDesigned and built in the USA since 1946, Lucifer Furnaces is one of the country’s oldest and most experienced designers and builders of industrial heat-treating equipment. Based in Warrington, Pennsylvania, the company makes built-to-order furnaces and ovens for manufacturers and specialized shops, including aerospace and tool-and-die operations.WARRINGTON, PA
Rex Heat TreatFamily-owned since 1938, Rex Heat Treat remains in the Rex family’s third and fourth generations after growing from a two-car Lansdale garage into a Pennsylvania heat-treating company serving demanding national industries. Its long history includes designing vertical furnace systems for missile programs and later adapting that expertise for commercial work, with a metallurgical laboratory supporting today’s operations. The company is known for handling large components, including work up to 20 feet, at facilities in Lansdale and Bedford.LANSDALE, PA
Williams Industrial Service, IncWilliams Industrial Service traces its roots to founder Robert (Bob) S. Williams, who began servicing heat-treat equipment in the early 1970s; his son Jason now carries that legacy forward. From its Bowling Green, Ohio, facility, the company builds industrial furnaces for demanding heat-treating applications and supports them with long-term service, including work on competing equipment.BOWLING GREEN, OH
Surface Combustion, IncSince pioneering a patented heating concept in 1915, Maumee-based Surface Combustion has manufactured industrial heat-treat and thermal-processing furnaces, including its Allcase® batch integral quench system introduced in the early 1950s. The company pairs new standard and custom equipment with in-house controls, metallurgical testing, and engineering support for demanding applications such as aerospace and castings. Its long-running aftermarket operation also maintains historical drawings and bills of materials for nearly every furnace it has built, supporting repairs, rebuilds, and retrofits throughout the equipment’s service life.MAUMEE, OH