Founded in 1998, family-owned Sentro Tech manufactures high-temperature furnaces and processing equipment from its Northeast Ohio facility. The company began by making molybdenum disilicide heating elements and expanded into custom laboratory and production furnace design in 2004, now supporting applications from dental labs to battery and ceramic manufacturing. Its Ohio team also provides technical service and keeps replacement parts in stock for customers.
UL-certified electrical standards
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CSA-certified electrical standards
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Ohio incorporation
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AMTECO IncorporatedFounded in 1993, AMTECO Incorporated is a West Chester, Ohio-area company known for developing compact, high-temperature testing technology. Its original 1400°C furnace system was created for ceramic matrix composite research, and the company now designs custom testing systems for advanced materials developers and commercial laboratories.WEST CHESTER, OH
Harper InternationalSince 1989, Buffalo-based Harper International has engineered and manufactured custom thermal-processing furnaces, kilns and ovens for advanced-materials production. Its work spans research through commercialization, with a particular depth in carbon-fiber systems and high-temperature processing under controlled atmospheres. Harper is 100% employee owned and operates a Technology Research Center where customers can develop and pilot processes before scaling to production.BUFFALO, NY
L&L Special FurnaceBased just south of Philadelphia, L&L Special Furnace designs and builds industrial furnaces, ovens, kilns, quench tanks and complete heat-treating systems for industrial and laboratory use. The company keeps its engineering and manufacturing in-house at one location, then supports equipment worldwide with startup, repair and parts service. Its longstanding product line spans standard equipment and specially configured systems for demanding thermal applications.ASTON, PA
Solar Manufacturing, IncFounded in 2002, Solar Manufacturing is a privately held U.S. company in Sellersville that designs, builds and services vacuum heat-treating furnaces and replacement hot zones. Its systems range from laboratory equipment to 50-ton car-bottom furnaces, while its engineers and metallurgists also support demanding aerospace, medical and industrial applications. The company works closely with affiliate Solar Atmospheres, drawing on that commercial heat treater’s operating experience to refine furnace designs, controls and energy-saving hot zones.SELLERSVILLE, PA