Insights

Largest Refractory Leader HWI is the largest US supplier of refractory products and services with a 150-year history, signaling deep market presence and reliability which can be leveraged to upsell premium or bundled refractory maintenance, retrofit, and technical services to established customers across multiple industries.

Expansion and Capacity Recent facility expansions in Missouri and Fulton/New Madrid regions indicate growing production capacity and potential demand for additional refractory materials, installation services, and on-site support like scheduled maintenance programs to support ramped operations.

Strategic Partnership HWI merged under Calderys and has a dedicated Americas brand, suggesting opportunities to joint-sell integrated refractory solutions, project-based deployments, and cross-sell with Calderys global capabilities to multinational customers.

Digital Tools Readiness Usage of ERP, CRM-like platforms (Oracle ERP), and services tools (ServiceNow) implies a mature operations backbone suitable for offering data-driven service contracts, remote monitoring, inventory optimization, and performance analytics for refractory assets.

Growth and Talent Headcount growth through facility investments and job creation in Missouri and Fulton signals potential for expanded field service coverage, technician training programs, and preventive maintenance packages to improve asset uptime for core customers.

HarbisonWalker International Tech Stack

HarbisonWalker International uses 8 technology products and services including MySQL, Oracle ERP, Kronos, and more. Explore HarbisonWalker International's tech stack below.

  • MySQL
    Database
  • Oracle ERP
    Enterprise
  • Kronos
    Human Resource Management System
  • JSON-LD
    Javascript Frameworks
  • ServiceNow
    Miscellaneous
  • JavaScript
    Programming Languages
  • Yoast SEO
    Search Engines
  • GoDaddy
    Web Hosting

Media & News

HarbisonWalker International's Email Address Formats

HarbisonWalker International uses at least 1 format(s):
HarbisonWalker International Email FormatsExamplePercentage
FLast@thinkhwi.comJDoe@thinkhwi.com
91%
First.Last@thinkhwi.comJohn.Doe@thinkhwi.com
5%
FirstLast@thinkhwi.comJohnDoe@thinkhwi.com
3%
LFirst@thinkhwi.comDJohn@thinkhwi.com
1%

Frequently Asked Questions

What is HarbisonWalker International's phone number?

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You can contact HarbisonWalker International's main corporate office by phone at . For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is HarbisonWalker International's official website and social media links?

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HarbisonWalker International's official website is thinkhwi.com and has social profiles on LinkedIn.

What is HarbisonWalker International's SIC code NAICS code?

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HarbisonWalker International's SIC code is 5039 - Construction Materials, Not Elsewhere Classified NAICS code is 327 - Nonmetallic Mineral Product Manufacturing.

How many employees does HarbisonWalker International have currently?

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As of July 2026, HarbisonWalker International has approximately 803 employees across 5 continents, including North AmericaAsiaSouth America. Key team members include Chief Technology Officer: M. C.Chairman And Chief Executive Officer: R. J.Owner: J. D.. Explore HarbisonWalker International's employee directory with LeadIQ.

What industry does HarbisonWalker International belong to?

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HarbisonWalker International operates in the Glass, Ceramics and Concrete Manufacturing industry.

What technology does HarbisonWalker International use?

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HarbisonWalker International's tech stack includes MySQLOracle ERPKronosJSON-LDServiceNowJavaScriptYoast SEOGoDaddy.

What is HarbisonWalker International's email format?

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HarbisonWalker International's email format typically follows the pattern of FLast@thinkhwi.com. Find more HarbisonWalker International email formats with LeadIQ.
HarbisonWalker International logo

HarbisonWalker International

Glass, Ceramics and Concrete ManufacturingPennsylvania, United States501-1000 Employees

HarbisonWalker International (HWI) operates in the glass, ceramics and concrete manufacturing sector and is the largest supplier of refractory products and services in the United States, with a history spanning more than 150 years. It is part of Calderys and serves as the Americas region brand for the group. The company maintains numerous manufacturing sites and strategically placed distribution centers across the Americas and hosts the largest refractory industry research facility in North America. HWI serves virtually every major industry that requires refractory solutions to enhance production and protect assets, and has a workforce of 501-1000 employees based in Pittsburgh, Pennsylvania. Recent activity includes expansions of facilities and offices in Missouri and the launch of HTT.EDU in 2025.

Section iconCompany Overview

Phone number
SIC Code
5039 - Construction Materials, Not Elsewhere Classified
NAICS Code
327 - Nonmetallic Mineral Product Manufacturing
Employees
501-1000

Section iconFunding & Financials

  • $50M$100M

    HarbisonWalker International's revenue is estimated to be in the range of $50M$100M

Section iconFunding & Financials

  • $50M$100M

    HarbisonWalker International's revenue is estimated to be in the range of $50M$100M

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