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HarbisonWalker International Tech Stack

Refractory materials supplier serving industrial heat-processing applications

Glass, Ceramics and Concrete Manufacturing Pittsburgh, Pennsylvania 1,001–5,000 employees Privately Held

HarbisonWalker International manufactures and distributes refractory products across the Americas—bricks, monolithics, ceramic fiber, and pre-cast shapes for steel, petrochemical, cement, and glass producers. The tech stack (Oracle ERP, CMMS, LIMS, AutoCAD) reflects a traditional manufacturing operations footprint, while active hiring momentum (40 roles posted in the last 30 days) concentrates heavily in manufacturing and operations, signaling production scaling or facility expansion alongside focused initiatives in predictive maintenance and capital projects.

Tech Stack 15 technologies

Core StackAutoCAD Oracle Siemens Step 7 Allen-Bradley Studio 5000 Excel PowerPoint Microsoft Office Oracle Transportation Management Oracle ERP LIMS Word CMMS CAD Visio Microsoft Project

What HarbisonWalker International Is Building

◆Challenges

Reducing equipment downtime
Reducing waste
Reducing costs
Equipment reliability
Maintaining safety compliance
Maintaining quality standards
Minimizing waste
Inventory accuracy
Leadership continuity
Optimizing maintenance costs

▲Active Projects

New product launch plans
Predictive maintenance process improvements
Strengthen maintenance excellence initiatives
Electrical process and capital projects
New product development
Maintenance capital expenditure projects
Leadership development programs
Global succession planning strategy
Global opex transformation
Spc-based capability improvement

Hiring Activity

Accelerating85 roles · 40 in 30d

Department

Manufacturing

31

Ops

16

Engineering

10

Quality

5

HR

4

Logistics

3

Marketing

3

Construction

2

Seniority

Mid

30

Junior

25

Manager

11

Senior

9

Intern

4

Lead

4

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About HarbisonWalker International

HWI is the largest refractory supplier in the United States, with more than 150 years of operating history and ownership under Calderys. The company operates multiple manufacturing sites and distribution centers across North America, supported by the largest refractory-focused research facility in the region. The product portfolio spans basic and non-basic bricks, ceramic fiber materials, pre-cast shapes, monolithics, and application-specific technical support, with sales reaching virtually every major industry requiring high-temperature material solutions. The organization spans 1,001–5,000 employees across manufacturing, operations, engineering, quality, and logistics functions.

HeadquartersPittsburgh, Pennsylvania

Company Size1,001–5,000 employees

Hiring MarketsUnited States, Canada, Panama

Frequently Asked Questions

What is HarbisonWalker International's core business?

HWI manufactures and sells refractory products and services—including bricks, ceramic fiber, pre-cast shapes, and monolithics—to industrial customers in steel, petrochemical, cement, and glass production. It is the largest refractory supplier in the United States.

Where does HarbisonWalker International operate?

HWI operates across the Americas with multiple manufacturing sites, distribution centers, and a dedicated research facility in North America. The company is actively hiring in the United States, Canada, and Panama.

What technology does HarbisonWalker use in operations?

HWI uses Oracle ERP and Oracle Transportation Management for supply chain and financial operations, CMMS for maintenance management, LIMS for lab testing, AutoCAD for design, and Siemens and Allen-Bradley automation controls on manufacturing lines.