For more than 135 years, Horsburgh & Scott has engineered and manufactured large custom industrial gears and gearboxes, while also repairing and rebuilding drives from nearly every major brand. Based in Cleveland with manufacturing operations in Illinois, Louisiana and Ontario, the company supports heavy-duty applications with in-house engineering, heat treating and precision inspection. Its 237,000-square-foot manufacturing footprint and 24/7 field-service team give it unusual reach from custom design through emergency repair.
ISO 9001:2015
certification
GearTec, IncFounded in 1987, Willoughby’s GearTec makes large custom industrial gears and provides in-house machining, reverse engineering, and gearbox repair for heavy equipment. Its shop handles gears up to 96 inches in diameter and shafts nearly 17 feet long, while its Triple A division adds large-capacity machining, fabrication, and assembly. GearTec is part of United Stars Inc., is made-in-America, and holds ISO 9001:2015 certification.WILLOUGHBY, OH
Dayton GearFamily-owned and operated since 1946, Dayton Gear manufactures open gearing and drive components while repairing and rebuilding industrial gearboxes. The Dayton company is especially geared toward urgent plant needs, with reverse-engineering support when drawings are unavailable and made-to-order replacement gears available on schedules as short as 24 hours. Its work has included redesigning pulp-and-paper gear sets and producing a bottling-line replacement in under eight hours.DAYTON, OH
Northend Gear & MachineSince 1988, Northend Gear & Machine in Southern Ohio has made large-diameter gears and heavy shafts while rebuilding gearboxes to print or from worn samples. Its specialty is bringing oversized power-transmission parts back into service through reverse engineering, tight-tolerance machining, and in-house inspection, with capacity for gears up to 72 inches in diameter.FAIRFIELD, OH
Buffalo Gear, IncOperating since 1962, Buffalo Gear manufactures custom precision commercial gears and machined parts for industrial customers in Sanborn, New York. Its gear-making range runs from 3/8 to 40 inches, with an unusually deep inventory of hobs and cutting tools that can help avoid extra tooling charges. The company also reverse-engineers gear forms in a climate-controlled inspection facility and serves projects from prototype through production.SANBORN, NY