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HWI refractories stand the test of time.

We’re the people who respond like no one else. The ideas that will change tomorrow. We’re nearly 2,000 people, part of a Group of 5,000, with one goal: to keep your business moving forward.

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 the Calderys Group, we deliver one of the industry’s widest, deepest lines of refractory solutions. We have been forged by legacy. We are fueled by excellence. Our world-class refractory products perform to the highest degree. And by bringing long-lasting reliability, and our passion and excellence to work every day, we’re able to provide superior value to our customers and their businesses.


Made from a different mold

Meet our problem-solving, fly-into-action, whatever-it-takes people who are driven to minimize your downtime. We’re beyond responsive.

At HWI, we’re beyond reliable. And here’s how: Dedicated personnel ready to respond 24/7/365. North American distribution centers which shipped over 130,000,000 pounds last year—most with same-day or next-day delivery. HWI associates and partners strategically located around the world—and ready to take your call.

Being a member of the Calderys Group, we have the capability to operate in proximity to our customers to meet the specific challenges of our local markets anywhere in the world.

Products That Pass the Test. Every Day.

Have high expectations for your refractories products? We do too. Our bricks set benchmarks for the industry, including MAGNEL®, UFALA®, COMANCHE®, and AUREX®.

Our monolithics and ceramic fiber products are ahead of the curve. We also provide emissivity coatings. With the right mix of high heat refractory products and technology, HWI as a member of Calderys has one of the best operations in the world to deliver what you need, when you need it. No one produces more tonnage in the United States, and Calderys Group’s manufacturing footprint spans the globe.

HWI operates manufacturing facilities throughout the Americas, while Calderys – its parent company – maintains a presence in over 30 countries, with sales that span the globe.

Always Tailored to You

HWI is not just in the refractories business, we’re in the relationship business. After all, the more we understand you and your business, the more we are able to customize our solutions. The competitive edge you’re looking for starts with us—and with your dedicated HWI application specialist.

They’re the experts who will understand every inch of your process and who will work intensely to optimize your refractory performance. Want to save time and money? Want to improve your productivity? Talk to your HWI sales representative today.

Lightning-Fast Delivery

The products you need. When you need them. HWI delivers like a world-class pro. Our distribution centers across North America are strategically placed, and our belonging to the Calderys Group gives us an unparalleled global presence. Of course we ship around the world at a moment’s notice. Of course we stock our most popular products so that you can have them the same day or the next day. How can we work with you to reduce your potential for downtime?

The Bottom Line on Top Performance

At HWI, the bottom line is this: We live the refractory business. We rise to every challenge and do whatever it takes to get the job done.

Put our team to the test  >