HWI is the largest supplier of refractory products and services in the United States, with a history that spans more than 150 years. 

HWI has manufacturing sites and strategically placed distribution centers in the Americas, as well as the largest refractory industry research facility in North America. Serving virtually every major industry that requires refractory solutions to enhance production and protect assets, HWI is consistently recognized for its talented experts, industry firsts, and intensely driven excellence. (less)