Celebrating its centenary in 2024, Otto Junker GmbH of Simmerath builds industrial furnace and thermoprocessing systems for foundries and semi-finished metal producers. Its work spans the process chain from induction melting through heat treatment, with recycling and process-optimization technologies rounding out the offering. A global service organization supports customers with installation, modernization, maintenance and troubleshooting around the clock.
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EBNER Industrieofenbau GmbHFounded in 1948, family-owned EBNER Industrieofenbau GmbH develops, fabricates, installs and commissions heat-treatment furnace facilities for producers of semi-finished steel, aluminum and copper-based metal products. Based in Leonding, Austria, the company combines furnace engineering with modern burner and energy-efficiency technologies, and supports installations through a global service network.WADSWORTH, OH
SECO/WARWICKSECO/WARWICK designs and builds industrial furnaces and metallurgical systems for heat treatment and vacuum metallurgy, with solutions tailored to demanding manufacturing processes. The group grew from Polish engineering roots in Świebodzin and the American furnace tradition of Meadville, Pennsylvania, and has operated under the SECO/WARWICK brand since 1984. Its equipment and services now support customers in more than 70 countries, backed by research, automation and technical service capabilities.400708, IN
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
Marx GmbH & Co. KGFounded in 1962 as a small repair shop for electric motors and transformers, Marx GmbH & Co. KG now builds and services melting and heating equipment for foundries and extrusion plants. The family business operates from three German locations, with particular expertise in induction furnaces, custom foundry ladles and its established MARX Smart Container heating systems for extrusion presses. Its ladle production is certified as a welding specialist operation under DIN EN ISO 3834-2, and the company provides round-the-clock emergency service for plant repairs and modernization.YOUNGSTOWN, OH