Heatron is a full-service American-made custom component manufacturer specializing in heating elements and assemblies, thick film devices, and LED integration. The company designs and manufactures custom heating solutions for OEMs, with expertise in thermal management.
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Heat and Sensor TechnologyStarting in a Lebanon, Ohio garage in late 2002, Heat and Sensor Technology manufactures electric heaters and temperature sensors for customers ranging from small businesses to global OEMs. Its 40,000-square-foot facility supports stock orders alongside mass-customized designs, including the PanelMAX radiant heater line acquired from Watlow in 2016. The company’s products are made in the United States and serve customers across North America, Europe, Asia, and beyond.LEBANON, OH
Thermistors Unlimited, IncThermistors Unlimited is a U.S. manufacturer and customer service-based design center known for developing custom PTC components for demanding thermal applications. Based in St. Marys, Pennsylvania, the company also produces application-specific heater assemblies and supports customers from concept through prototype. Its quality system is certified to ISO 9001:2015, and its PTC heaters carry UL recognition.ST. MARYS, PA
HeatrexEstablished in 1959, St. Louis-based Heatrex designs and manufactures engineered electric heating and thermal-management equipment for commercial, industrial, OEM, and rail applications. Its work ranges from custom heating systems to components such as tubular elements and immersion heaters, with concept development, prototype testing, and production handled across two Missouri manufacturing facilities. Heatrex is part of ASPEQ Heating Group and serves customers in North America and abroad.MEADVILLE, PA
EZ Heat CorporationFamily-owned and proudly made in the USA since 1987, EZ Heat Corporation manufactures custom industrial heating elements from its Marble Falls, Texas operation. Founded in Dallas as Star Heating Manufacturing, the company relocated in 1990 and adopted the EZ Heat name in 1992, becoming known for to-spec manufacturing and same-day shipping on custom products.CHAGRIN FALLS, OH