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HarbisonWalker International's Overview

Total employees781
HeadquartersMoon Township
Founded

HWI, formerly HarbisonWalker International, is a leading supplier of refractory products and services in North America, serving a wide range of industries including iron & steel, non-ferrous metals, glass, cement, and energy. In February 2023, HWI became a member of Calderys, a global leader in refractory solutions, after Calderys was acquired by Platinum Equity. This integration enhances HWI's global reach and technological capabilities, combining its strong North American presence and expertise with Calderys' international network and comprehensive product portfolio to deliver enhanced value to customers worldwide.

Where is HarbisonWalker International's Headquarters?

HQ Function

Serves as the primary operational headquarters for HWI's North American business, including administrative, sales, technical support, and R&D functions, now integrated within Calderys' global structure.

Notable Features:

The facility includes modern office spaces and likely houses or is near key R&D and testing facilities for refractory materials. It has historically been the nerve center for HWI's extensive manufacturing and distribution network.

Work Culture:

The work culture likely emphasizes innovation in material science, customer-centric problem solving, operational excellence, and a strong commitment to safety, values reinforced by its integration into Calderys.

HQ Significance:

This location is significant due to HWI's long history and established leadership in the North American refractory market. It represents a major center of refractory expertise and customer support for Calderys in the region.

Values Reflected in HQ: The headquarters likely reflects values of technical expertise, reliability, customer partnership, and innovation in providing high-temperature solutions.

Location:

As a member of Calderys, HWI is part of an extensive global network. Calderys supports customers worldwide with a comprehensive range of refractory solutions and services, including manufacturing, research and development, technical support, sales, and project management. This global footprint ensures proximity to customers in key industrial regions across the Americas, Europe, Asia-Pacific, and MEA, delivering consistent quality and expertise globally.

Street Address:

1301 Stoll Road

City:

Moon Township

State/Province:

Pennsylvania

Country:

USA

HarbisonWalker International's Global Presence

South Shore, Kentucky, USA

Address: 425 East Ctrl Ave, South Shore, KY 41175

Key production facility for the Eastern and Midwestern US markets, supporting industries requiring high-performance refractory linings.

Windham, Ohio, USA

Address: 9850 E Center St, Windham, OH 44288

Supports the industrial heartland of the US with specialized refractory solutions, particularly for steel, cement, and petrochemical industries.

White Cloud, Michigan, USA

Address: 101 E. Ramshorn Drive, White Cloud, MI 49349

A specialized plant serving niche markets requiring high-purity silica refractory products across North America.

Monterrey, Nuevo León, Mexico

Address: Carretera a Laredo Km. 16.5, C.P. 66600 Apodaca, N.L., Mexico

Strategic location to support industrial growth in Mexico, particularly in the steel, cement, and non-ferrous metal sectors.

Buying Intent Signals for HarbisonWalker International

Highperformr Signals uncover buying intent and give you clear insights to target the right accounts at the right time — helping your sales, marketing, and GTM teams close more deals, faster.

Notable news
Hiring actively
Corporate Finance
Corporate Finance
Corporate Finance
Corporate Finance
Corporate Finance
*Example signal, not calculated in real time

Executive Team of HarbisonWalker International

As of April 2025, HarbisonWalker International' leadership includes:

Michel Cornelissen - President and Chief Executive Officer
Guido Loning - Chief Financial Officer
Edouard de Suremain - Senior Vice President Strategy & M&A, and General Manager Calderys USA
Ross McDonald - Senior Vice President, Americas
FooChee Siew - Senior Vice President, Asia-Pacific
Dr. Ambrish Kumar - Chief Technology Officer

Investors of HarbisonWalker International

HarbisonWalker International has been backed by several prominent investors over the years, including:

Platinum Equity

Executive New Hires/Exits in the Last 12 Months

Hire0
Exits0

Following the acquisition of Calderys by Platinum Equity and Calderys' subsequent acquisition of HWI in early 2023, the executive team was consolidated. Michel Cornelissen was confirmed as President and CEO of the combined entity. Most changes occurred around the acquisition period, setting the leadership for the newly expanded group.

New Appointments:

Michel Cornelissen, Michel Cornelissen, previously CEO of Calderys, continued as President and CEO of the newly enlarged group following the HWI acquisition.

Technology (Tech Stack) used by HarbisonWalker International

Discover the tools HarbisonWalker International uses. Highperformr reveals the technologies powering your target accounts — helping your sales, marketing, and GTM teams prioritize smarter and close faster.

HarbisonWalker International Email Formats and Examples

Common email formats for Calderys, which now includes HWI, typically follow standard professional patterns. The most prevalent formats are likely firstname.lastname@calderys.com or firstinitiallastname@calderys.com.

firstname.lastname@calderys.com

Format

john.doe@calderys.com

Example

85%

Success rate

News and media

Calderys WebsiteFebruary 16, 2023

Calderys Completes Acquisition of HWI, Creating a Global Refractories Leader with Diversified End Markets

Calderys announced the completion of its acquisition of HWI, a leading refractory manufacturer in the U.S. This strategic move combines HWI's strong North American presence with Calderys' global network, enhancing their offerings to customers worldwide....more

Platinum Equity NewsJanuary 31, 2023

Platinum Equity Completes Acquisition of Calderys

Platinum Equity announced it has completed the acquisition of Calderys from Imerys. Calderys is a global provider of specialized refractory solutions for high-temperature industrial applications....more

Imerys Press ReleaseJuly 28, 2022

Imerys signs an agreement with Platinum Equity to divest its High Temperature Solutions business (HTS)

Imerys entered into exclusive negotiations to sell its High Temperature Solutions business (Calderys) to Platinum Equity. This divestment was part of Imerys' strategy to focus on specialty minerals....more

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