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Forged in legacy, Fueled by excellence

World-class refractory products that perform to the highest degree.

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Every day around the world, HWI’s people and products stand up to the challenges and pressures of every job. And for over 150 years, we’ve served virtually every industry that needs refractory products to do its job.

As HWI, A member of Calderys, we deliver one of the industry’s widest, deepest lines of refractory solutions. Our world-class refractory products perform to the highest degree. And by bringing a proactive, customer-focused mindset to work every day, we’re able to provide superior value to our customers and their businesses.


From gasifiers to blast furnaces to kilns, our dedicated application specialists provide solutions that keep your business moving.


Our refractory products are made for the toughest environments, the harshest elements, the biggest challenges, and to stand up to the intensity of every job.


We're the refractory partners who won't melt when the heat is on, who live to solve your greatest challenges.

Join our Forward Thinking Team

Are you looking for a career with opportunities to create, build, and participate in the evolution of an industry that’s vital to American and global manufacturing? A career with a company whose leadership is committed to business success and making HWI a great place to work? A company part of an international Group offering a world of opportunity?

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Building a Sustainable Future

As a member of Calderys, HWI’s approach to sustainability is built on three key pillars: helping our customers with their energy transition needs, improving our own environmental footprint, and commitment to our people and communities.

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