Harbison Walker Refractories
HWI is a U.S.-based manufacturer of refractory products serving 15+ industrial verticals including iron and steel, glass, aluminum, cement, and power generation, operating as a member of the international Calderys group through direct enterprise sales, distribution centers, and a contractor/installer network.
- Company typePrivate
- Founded1864
- HeadquartersPittsburgh, United States
- Headcount11–50
- GTM typeB2B
- OfferingHardware or Manufacturing
Harbison Walker Refractories firmographics
Firmographics- Name
- Harbison Walker Refractories
- Legal name
- HWI
- Website
- https://hwr.com
- Company type
- Private
- Founded year
- 1864
- Operating status
- Operating
- Headcount range
- 11–50 employees
- Short description
- HWI is a U.S.-based manufacturer of refractory products serving 15+ industrial verticals including iron and steel, glass, aluminum, cement, and power generation, operating as a member of the international Calderys group through direct enterprise sales, distribution centers, and a contractor/installer network.
- Ownership category
- akta.pro rank
Where Harbison Walker Refractories is headquartered
LocationHeadquarters
- HQ city
- Pittsburgh
- HQ country
- United States
- HQ region
- North America
Offices1 record
Markets served
Harbison Walker Refractories business model
Business model- GTM type
- B2B
- Offering type
- Hardware or Manufacturing
- Cost components
- Supply Chain, Operations, Personnel, Technology or R&D, Infrastructure, Marketing or Sales
Revenue model
- Refractory Products and Solutions: HWI generates revenue through the sale of refractory products including bricks, castables, pre-cast shapes, and related refractory solutions. The company serves industrial customers requiring high-temperature materials for manufacturing processes.
Go-to-market motion1 record
Distribution channels4 records
Marketing channels8 records
Harbison Walker Refractories product offering
Product offeringCore offering
Harbison Walker Refractories (HWI) manufactures and supplies refractory products — including shaped brick, monolithics/castables, and pre-cast shapes — designed to line and protect industrial equipment exposed to extreme high temperatures. The company's offerings serve industries such as iron and steel, glass, aluminum, copper, cement, petrochemicals, power generation, and pulp and paper, with complementary services delivered through a contractor/installer network and customer training programs.
Product overview
HWI offers a comprehensive portfolio of refractory products and solutions, described as 'one of the industry's widest, deepest lines of refractory solutions.' The product portfolio includes specialty refractories like AZTECH-S (next-generation refractory for glass furnace superstructures), alongside a broad general line of refractory products designed for the toughest industrial environments. Products serve diverse industries including Iron & Steel, Aluminum, Copper & Heavy Non Ferrous, Ferrous Foundry, Glass, Power Generation, Refineries & Petrochemicals, Chemicals, Gasifiers, Incineration, Cement, Pulp & Paper, Lime, Space Exploration, and Thermal Storage. The offering is complemented by refractory services including contractor/installer network support, fundamentals training, and sustainability consulting.
Differentiator
Problem solved
Functional benefit
Products and services
- AZTECH-S Next-generation refractory product designed for glass furnace superstructures, targeting glass manufacturers needing advanced high-temperature performance.
- Refractory Product Lines (shaped brick, monolithics/castables, pre-cast shapes) Core HWI refractory portfolio comprising shaped brick, monolithic/castable products, and pre-cast shapes used to line high-temperature industrial equipment across steel, glass, aluminum, cement, petrochemical, power, and other heavy industries.
- Contractor/Installer Network Services Refractory installation and application services delivered through HWI's contractor and installer network for industrial customers requiring on-site refractory placement, maintenance, and turnaround support.
- Fundamentals Training Program Customer training program covering refractory fundamentals, delivered to industrial buyers and plant personnel to support proper product selection, installation, and maintenance.
Companies that use Harbison Walker Refractories
Customer profileSegments15 records
Ideal customer profiles2 records
Harbison Walker Refractories technology and API
TechnologyAPI detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature1 record
Harbison Walker Refractories partnerships and signals
Strategic signalPartnerships
One partnership is on record.
- CalderyscoreHWI is a member of Calderys, an international group providing world-class refractory products and solutions. This membership provides access to global resources, R&D capabilities, and a worldwide network of refractory expertise.
Scale indicators2 records
Recent moves5 records
Expansion highlights6 records
Harbison Walker Refractories competitors and assessment
Company assessmentEmerging players
- Morgan Advanced Materials: Morgan Advanced Materials produces advanced ceramics and refractory components for industrial applications including high-temperature processing. While broader in materials science, it overlaps with HWI in technical ceramics and specialized refractory components for extreme environments. Stronger in specialty applications than commodity refractories.
Direct peers
- Resco Products: Resco Products is a U.S.-based refractory manufacturer producing bricks, monolithics, and specialty products for steel, aluminum, foundry, cement, and other high-temperature industries. It is a direct domestic competitor to HWI with similar product mix and customer base, focused heavily on the North American market.
- Vesuvius plc: Vesuvius is a global engineered ceramics and refractory producer serving steel, foundry, and glass end markets with flow control, monolithic refractories, and pre-cast shapes. It directly competes with HWI in iron & steel and glass segments and operates comparable enterprise sales and technical service models.
- Plibrico Company: Plibrico is a U.S.-based refractory contractor and manufacturer specializing in monolithic refractories, installation services, and turnkey refractory solutions. It competes with HWI particularly in the contractor/installer network layer and serves overlapping end markets including steel, cement, and power generation.
- RHI Magnesita: RHI Magnesita is the world's largest refractory supplier, offering a full range of refractory products, systems, and services for steel, cement, glass, and non-ferrous metals. It directly competes with HWI in North American steel and industrial markets and is the global market leader in volume terms. Both companies share business model, customer base, and product line.
- Pyrotek: Pyrotek is a global manufacturer of high-temperature materials and refractory products serving aluminum, glass, steel, and foundry industries. It directly competes with HWI in aluminum melting and holding furnace applications and offers similar monolithic and pre-cast refractory solutions.
- HarbisonWalker International (legacy entity): HarbisonWalker International is the legacy brand name for the same business now operating as HWI under Calderys. It is included for completeness as the direct predecessor entity, though it is not a separate competitor. The 160-year brand heritage the company references is associated with this entity.
Broad incumbents
- Calderys: Calderys is HWI's parent company and the broader international refractory group of which HWI is the North American arm. Calderys offers the same product categories (monolithics, bricks, pre-cast shapes) and serves overlapping end markets including steel, cement, glass, and aluminum. Comparison is direct on portfolio breadth and global reach, though Calderys is HWI's parent rather than a competitor.
- Saint-Gobain (Refractory business): Saint-Gobain's High-Performance Refractories division supplies shaped and unshaped refractory products for steel, cement, and glass industries. It competes with HWI across multiple product lines and end markets, though as part of a much larger building materials conglomerate. Strong R&D and global footprint make it a key competitor.
Others
- Imerys (Refractory Minerals): Imerys is a global specialty minerals producer that historically owned the Calderys refractory business before its 2023 carve-out. Its refractory minerals division supplies raw materials (magnesia, bauxite, alumina) used in refractory manufacturing, making it a supplier rather than direct competitor, but it is comparable in serving the same downstream refractory manufacturers and end markets.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat4 records
Key risks6 records
Key highlights7 records
Customer concentration
Harbison Walker Refractories social profiles
Digital presenceHarbison Walker Refractories financial estimates
Financial estimateRevenue estimate
Valuation estimate
Harbison Walker Refractories leadership team
Management profileNumber of profiles
Harbison Walker Refractories funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Harbison Walker Refractories M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Harbison Walker Refractories
What does Harbison Walker Refractories do?
Harbison Walker Refractories (HWI) manufactures and supplies refractory products — including shaped brick, monolithics/castables, and pre-cast shapes — designed to line and protect industrial equipment exposed to extreme high temperatures. The company's offerings serve industries such as iron and steel, glass, aluminum, copper, cement, petrochemicals, power generation, and pulp and paper, with complementary services delivered through a contractor/installer network and customer training programs.
Is Harbison Walker Refractories a public or private company?
Harbison Walker Refractories is a private company. It is classified as corporate owned and is currently operating.
When was Harbison Walker Refractories founded?
Harbison Walker Refractories was founded in 1864. It employs 11 to 50 people.
Where is Harbison Walker Refractories based?
Harbison Walker Refractories is headquartered in Pittsburgh, United States, in the North America region.
How does Harbison Walker Refractories make money?
One revenue line is on record: refractory Products and Solutions.
Who are Harbison Walker Refractories's main competitors?
Morgan Advanced Materials is listed as an emerging player. Direct peers are Resco Products, Vesuvius plc, Plibrico Company, RHI Magnesita, Pyrotek and HarbisonWalker International (legacy entity). Broad incumbents are Calderys and Saint-Gobain (Refractory business). Imerys (Refractory Minerals) is listed as an others.
Does Harbison Walker Refractories have an API?
No public API is recorded for Harbison Walker Refractories.