HWI, A member of Calderys is one of the leading suppliers of refractory products and services in the United States, with a history that spans 160 years. With a workforce of more than 1,300 employees and contractors, the organization brings over 160 years of North American refractory leadership to the industry. It is home to the largest refractories R&D facility in North America, supported by a team of 30 dedicated R&D engineers and scientists, along with more than 60 additional experts across other disciplines. Innovation remains a key focus, with over 40 active patents in the Americas. This expertise is backed by a strong operational footprint that includes 25 manufacturing sites across North America and more than 20 distribution center locations, ensuring reliable service and support for customers throughout the region.
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