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Intensity at Work

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 intensity, reliability, and passion 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?

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Building a Sustainable Future

Prioritized through the three pillars of Sustainability: Environmental Responsibility, Social Impact, and Governance for Vitality, our ESG initiatives are constantly evolving. We are proud to incorporate sustainable practices and drive continuous improvement to benefit our customers, employees, communities, and our world.

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