Company lists · Data refreshed October 2026
Top 25 Furnace blocks suppliers based in the United States
RevenueBase identified 104 company matches for furnace blocks suppliers associated with the United States as of October 2026 and tracks 2,605 professional contacts across them, including 782 with verified work emails. St. Louis is the largest hub.
This list covers company matches for furnace blocks suppliers associated with the United States, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed October 25, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest furnace blocks suppliers based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 781 contacts → | ||||
Exact match “HWI is the largest supplier of refractory products and services in the United States, with a history that spans more than 150 years.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 2 | 218 contacts → | ||||
Exact match “Resco Products has been servicing the refractory industry for over half a century and grown to 11 facilities across North America which gives us the unique ability to service our…” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 3 | 78 contacts → | ||||
Exact match “Plibrico offers a full line of monolithic refractories, insulating firebrick and complementary refractory products.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 4 | 59 contacts → | ||||
Exact match “Onex is here to help with your refractory construction, combustion & industrial furnace, raw materials, and precast needs.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 5 | 54 contacts → | ||||
Exact match “Abbott Furnace is an industrial furnace manufacturer with over 40 years of experience designing and producing some of the industry’s most reliable and high performing industrial…” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 6 | 51 contacts → | ||||
Exact match “OUTSTANDING QUALITY, PROVEN TECHNOLOGY, & CUSTOMER-FOCUSED SERVICE FOR 50 YEARS.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 7 | 42 contacts → | ||||
Exact match “Industry Services was first established in 1985 in Mobile, Alabama.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 8 | 42 contacts → | ||||
Exact match “Under the Fosbel family of companies, Wahl Refractory Solutions was originally founded by Oscar C.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 9 | 38 contacts → | ||||
Exact match “Onex is a global industrial refractory contractor, project manager, and material supplier.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 10 | 33 contacts → | ||||
Exact match “From its headquarters in Lexington, Kentucky USA, Hotwork serves clients operating industrial furnaces all over the world.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 11 | 31 contacts → | ||||
Exact match “Stellar Materials incorporated in 1990, and first began manufacturing Thermbond Refractory Solutions in Detroit, Michigan.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 12 | 26 contacts → | ||||
Exact match “Founded in 1975, Mt.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 13 | 26 contacts → | ||||
Exact match “Upstate Refractory Services, now part of Onex, Inc, is a full-service refractory contractor, installer, distributor, and furnace solutions provider serving customers throughout…” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 14 | 22 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 15 | 20 contacts → | ||||
Exact match “TFL designs and manufactures precast refractory shapes, refractory components, and engineered refractory solutions for industrial furnaces and high-temperature applications.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 16 | 19 contacts → | ||||
Exact match “PRCO America was founded in 2008 as a refractory importer and reseller of refractory products and services to the North American iron and steel industry.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 17 | 19 contacts → | ||||
Exact match “Refractory Service, Inc.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 18 | 19 contacts → | ||||
Exact match “F.S.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 19 | 18 contacts → | ||||
Exact match “The Refratechnik group, the largest family-owned refractory company in the world, manufactures and installs high-quality refractory materials for high temperature industrial…” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 20 | 17 contacts → | ||||
Exact match “Chiz Bros is a refractory and insulation company based in Pittsburgh Pennsylvania.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 21 | 17 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 22 | 16 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 23 | 14 contacts → | ||||
Exact match “CeramSource is a unique supplier of high quality, refractory, fiber insulation, and graphite products.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 24 | 14 contacts → | ||||
Exact match “Fire Brick Engineers is the leader in the manufacture and distribution of the refractory products, as well as refractory construction services, furnace tear out and repair, and…” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
| 25 | 13 contacts → | ||||
Exact match “Heimbrock Inc is a mechanical or industrial engineering company based out of 4632 ILLINOIS AVE, Louisville, Kentucky, United States.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “furnace blocks suppliers”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 104 furnace blocks suppliers based in the United States
See the full list, filter by size, metro and specialty, and access 782 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Furnace blocks suppliers based in the United States at a glance
As of Oct 25, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 104 companies.
How this list was built
The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
- What qualifies
- Company records associated with the United States whose business descriptions match “furnace blocks suppliers” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
- RevenueBase SmartSearch
- Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
- Public preview
- The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
- Match quality
- RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every displayed company carries at least one verified work email. RevenueBase tracks 782 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on October 25, 2026. Lists refresh periodically as the graph is re-checked.
- Record context
- Company records and descriptions can change. Check the company's website for its current services and locations.
Frequently asked
What is RevenueBase SmartSearch?
RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “furnace blocks suppliers”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many furnace blocks suppliers are there based in the United States?
RevenueBase identified 104 company matches for furnace blocks suppliers associated with the United States as of October 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
Harbisonwalker International tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most furnace blocks suppliers?
St. Louis leads with 5 company records, followed by Houston (3) and Pataskala (3).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 782 professional contacts with verified work emails tracked across these 104 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on October 25, 2026.
Ready to reach these companies? Verified emails and direct dials for all 104 furnace blocks suppliers based in the United States. Start with a free account, no credit card.
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About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
More company lists
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- Lists by location
- Lists A-Z
- New lists
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Company intelligence · public preview
Top 25 furnace blocks suppliers based in the United States
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 104 matching company records for furnace blocks suppliers based in the United States, with 2,605 tracked contacts and 782 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 25, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 furnace blocks suppliers based in the United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Harbisonwalker Internationalthinkhwi.com HQ: Pittsburgh, PA, United StatesReported employees: 1,001-5,000 | Pittsburgh, PA, United States | 1,001-5,000 | Exact match | 781 contacts → |
“HWI is the largest supplier of refractory products and services in the United States, with a history that spans more than 150 years.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Resco Products, INCrescoproducts.com HQ: Robinson Township, PA, United StatesReported employees: 201-500 | Robinson Township, PA, United States | 201-500 | Exact match | 218 contacts → |
“Resco Products has been servicing the refractory industry for over half a century and grown to 11 facilities across North America which gives us the unique ability to service our…” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Plibrico Companyplibrico.com HQ: Northbrook, IL, United StatesReported employees: 51-200 | Northbrook, IL, United States | 51-200 | Exact match | 78 contacts → |
“Plibrico offers a full line of monolithic refractories, insulating firebrick and complementary refractory products.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | ONEXonexinc.com HQ: Erie, PA, United StatesReported employees: 51-200 | Erie, PA, United States | 51-200 | Exact match | 59 contacts → |
“Onex is here to help with your refractory construction, combustion & industrial furnace, raw materials, and precast needs.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Abbott Furnace Company Industrial Furnace Design, Manufacturing, Installation, And Serviceabbottfurnace.comHQ: St. Marys, PA, United StatesReported employees: 51-200 | St. Marys, PA, United States | 51-200 | Exact match | 54 contacts → |
“Abbott Furnace is an industrial furnace manufacturer with over 40 years of experience designing and producing some of the industry’s most reliable and high performing industrial…” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | United Refractories COurc4u.com HQ: Mcmurray, PA, United StatesReported employees: 201-500 | Mcmurray, PA, United States | 201-500 | Exact match | 51 contacts → |
“OUTSTANDING QUALITY, PROVEN TECHNOLOGY, & CUSTOMER-FOCUSED SERVICE FOR 50 YEARS.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Industry Services COindustrysci.com HQ: Mobile, AL, United StatesReported employees: 201-500 | Mobile, AL, United States | 201-500 | Exact match | 42 contacts → |
“Industry Services was first established in 1985 in Mobile, Alabama.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Wahl Refractory Solutionswahlref.com HQ: Fremont, OH, United StatesReported employees: 51-200 | Fremont, OH, United States | 51-200 | Exact match | 42 contacts → |
“Under the Fosbel family of companies, Wahl Refractory Solutions was originally founded by Oscar C.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Onex Constructiononexconstruction.com HQ: Streetsboro, OH, United StatesReported employees: 11-50 | Streetsboro, OH, United States | 11-50 | Exact match | 38 contacts → |
“Onex is a global industrial refractory contractor, project manager, and material supplier.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Hotwork USAhotwork.com HQ: Lexington, KY, United StatesReported employees: 51-200 | Lexington, KY, United States | 51-200 | Exact match | 33 contacts → |
“From its headquarters in Lexington, Kentucky USA, Hotwork serves clients operating industrial furnaces all over the world.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Thermbond Refractory Solutionsthermbond.com HQ: Tonawanda, NY, United StatesReported employees: 51-200 | Tonawanda, NY, United States | 51-200 | Exact match | 31 contacts → |
“Stellar Materials incorporated in 1990, and first began manufacturing Thermbond Refractory Solutions in Detroit, Michigan.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Mt. Savage Specialty Refractoriesmtsavage.com HQ: Ingomar, PA, United StatesReported employees: 51-200 | Ingomar, PA, United States | 51-200 | Exact match | 26 contacts → |
“Founded in 1975, Mt.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Upstate Refractory Services NOW Onex, INCupstaterefractory.com HQ: Newark, NY, United StatesReported employees: 11-50 | Newark, NY, United States | 11-50 | Exact match | 26 contacts → |
“Upstate Refractory Services, now part of Onex, Inc, is a full-service refractory contractor, installer, distributor, and furnace solutions provider serving customers throughout…” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | TYK America INCtykamerica.com HQ: Clairton, PA, United StatesReported employees: 501-1,000 | Clairton, PA, United States | 501-1,000 | Exact match | 22 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 15 | Tfl, A Plibrico Companytflhouston.com HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 20 contacts → |
“TFL designs and manufactures precast refractory shapes, refractory components, and engineered refractory solutions for industrial furnaces and high-temperature applications.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Prco America INCprco-america.com HQ: Pittsburgh, PA, United StatesReported employees: 51-200 | Pittsburgh, PA, United States | 51-200 | Exact match | 19 contacts → |
“PRCO America was founded in 2008 as a refractory importer and reseller of refractory products and services to the North American iron and steel industry.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Refractory Service Incorporatedrefractoryservice.com HQ: Jackson, WI, United StatesReported employees: 51-200 | Jackson, WI, United States | 51-200 | Exact match | 19 contacts → |
“Refractory Service, Inc.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  F.S. Sperry Co, INCfssperry.comHQ: Memphis, TN, United StatesReported employees: 51-200 | Memphis, TN, United States | 51-200 | Exact match | 19 contacts → |
“F.S.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Refratechnik North America INCrefra.com HQ: St. Louis, MO, United StatesReported employees: 11-50 | St. Louis, MO, United States | 11-50 | Exact match | 18 contacts → |
“The Refratechnik group, the largest family-owned refractory company in the world, manufactures and installs high-quality refractory materials for high temperature industrial…” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Chiz Bros Refractory And Insulation Specialistschizbros.com HQ: Elizabeth, PA, United StatesReported employees: 11-50 | Elizabeth, PA, United States | 11-50 | Exact match | 17 contacts → |
“Chiz Bros is a refractory and insulation company based in Pittsburgh Pennsylvania.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Harbison Walker Refractorieshwr.com HQ: Salt Lake City, UT, United StatesReported employees: 51-200 | Salt Lake City, UT, United States | 51-200 | Exact match | 17 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 22 | JOE Moore & Company, INCjoemoorecompany.com HQ: Raleigh, NC, United StatesReported employees: 11-50 | Raleigh, NC, United States | 11-50 | Exact match | 16 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 23 | Ceramsource, INCceramsource.com HQ: Beaver Falls, PA, United StatesReported employees: 11-50 | Beaver Falls, PA, United States | 11-50 | Exact match | 14 contacts → |
“CeramSource is a unique supplier of high quality, refractory, fiber insulation, and graphite products.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Fire Brick Engineersfirebrickengineers.com HQ: Milwaukee, WI, United StatesReported employees: 51-200 | Milwaukee, WI, United States | 51-200 | Exact match | 14 contacts → |
“Fire Brick Engineers is the leader in the manufacture and distribution of the refractory products, as well as refractory construction services, furnace tear out and repair, and…” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Heimbrock INCheimbrockinc.com HQ: Louisville, KY, United StatesReported employees: 51-200 | Louisville, KY, United States | 51-200 | Exact match | 13 contacts → |
“Heimbrock Inc is a mechanical or industrial engineering company based out of 4632 ILLINOIS AVE, Louisville, Kentucky, United States.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 104 company matches
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Furnace blocks suppliers: dataset insights
October 25, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
104 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 104 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: October 25, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for furnace blocks suppliers?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many furnace blocks suppliers did RevenueBase find based in the United States?
The saved snapshot records 104 matching company records, 2,605 tracked contacts and 782 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: October 25, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Furnace blocks suppliers by geography
Cite this list
RevenueBase Data Team. Top 25 furnace blocks suppliers based in the United States. Snapshot: October 25, 2026. https://revenuebase.ai/companies/furnace-blocks-suppliers/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Furnace blocks suppliers based in Germany
- Furnace blocks suppliers based in India
- Furnace blocks suppliers based in the United Kingdom
- AI companies based in the United States
- Cybersecurity companies based in the United States
- Manufacturing companies based in the United States
Company intelligence · public preview
Top 25 furnace blocks suppliers based in the United States
RevenueBase records 104 matching company records for furnace blocks suppliers based in the United States, with 2,605 tracked contacts and 782 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 25, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 furnace blocks suppliers based in the United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Harbisonwalker Internationalthinkhwi.com HQ: Pittsburgh, PA, United StatesReported employees: 1,001-5,000 | Pittsburgh, PA, United States | 1,001-5,000 | Exact match | 781 contacts → |
“HWI is the largest supplier of refractory products and services in the United States, with a history that spans more than 150 years.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Resco Products, INCrescoproducts.com HQ: Robinson Township, PA, United StatesReported employees: 201-500 | Robinson Township, PA, United States | 201-500 | Exact match | 218 contacts → |
“Resco Products has been servicing the refractory industry for over half a century and grown to 11 facilities across North America which gives us the unique ability to service our…” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Plibrico Companyplibrico.com HQ: Northbrook, IL, United StatesReported employees: 51-200 | Northbrook, IL, United States | 51-200 | Exact match | 78 contacts → |
“Plibrico offers a full line of monolithic refractories, insulating firebrick and complementary refractory products.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | ONEXonexinc.com HQ: Erie, PA, United StatesReported employees: 51-200 | Erie, PA, United States | 51-200 | Exact match | 59 contacts → |
“Onex is here to help with your refractory construction, combustion & industrial furnace, raw materials, and precast needs.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Abbott Furnace Company Industrial Furnace Design, Manufacturing, Installation, And Serviceabbottfurnace.com HQ: St. Marys, PA, United StatesReported employees: 51-200 | St. Marys, PA, United States | 51-200 | Exact match | 54 contacts → |
“Abbott Furnace is an industrial furnace manufacturer with over 40 years of experience designing and producing some of the industry’s most reliable and high performing industrial…” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | United Refractories COurc4u.com HQ: Mcmurray, PA, United StatesReported employees: 201-500 | Mcmurray, PA, United States | 201-500 | Exact match | 51 contacts → |
“OUTSTANDING QUALITY, PROVEN TECHNOLOGY, & CUSTOMER-FOCUSED SERVICE FOR 50 YEARS.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Industry Services COindustrysci.com HQ: Mobile, AL, United StatesReported employees: 201-500 | Mobile, AL, United States | 201-500 | Exact match | 42 contacts → |
“Industry Services was first established in 1985 in Mobile, Alabama.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Wahl Refractory Solutionswahlref.com HQ: Fremont, OH, United StatesReported employees: 51-200 | Fremont, OH, United States | 51-200 | Exact match | 42 contacts → |
“Under the Fosbel family of companies, Wahl Refractory Solutions was originally founded by Oscar C.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Onex Constructiononexconstruction.com HQ: Streetsboro, OH, United StatesReported employees: 11-50 | Streetsboro, OH, United States | 11-50 | Exact match | 38 contacts → |
“Onex is a global industrial refractory contractor, project manager, and material supplier.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Hotwork USAhotwork.com HQ: Lexington, KY, United StatesReported employees: 51-200 | Lexington, KY, United States | 51-200 | Exact match | 33 contacts → |
“From its headquarters in Lexington, Kentucky USA, Hotwork serves clients operating industrial furnaces all over the world.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Thermbond Refractory Solutionsthermbond.com HQ: Tonawanda, NY, United StatesReported employees: 51-200 | Tonawanda, NY, United States | 51-200 | Exact match | 31 contacts → |
“Stellar Materials incorporated in 1990, and first began manufacturing Thermbond Refractory Solutions in Detroit, Michigan.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Mt. Savage Specialty Refractoriesmtsavage.com HQ: Ingomar, PA, United StatesReported employees: 51-200 | Ingomar, PA, United States | 51-200 | Exact match | 26 contacts → |
“Founded in 1975, Mt.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Upstate Refractory Services NOW Onex, INCupstaterefractory.com HQ: Newark, NY, United StatesReported employees: 11-50 | Newark, NY, United States | 11-50 | Exact match | 26 contacts → |
“Upstate Refractory Services, now part of Onex, Inc, is a full-service refractory contractor, installer, distributor, and furnace solutions provider serving customers throughout…” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | TYK America INCtykamerica.com HQ: Clairton, PA, United StatesReported employees: 501-1,000 | Clairton, PA, United States | 501-1,000 | Exact match | 22 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 15 | Tfl, A Plibrico Companytflhouston.com HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 20 contacts → |
“TFL designs and manufactures precast refractory shapes, refractory components, and engineered refractory solutions for industrial furnaces and high-temperature applications.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Prco America INCprco-america.com HQ: Pittsburgh, PA, United StatesReported employees: 51-200 | Pittsburgh, PA, United States | 51-200 | Exact match | 19 contacts → |
“PRCO America was founded in 2008 as a refractory importer and reseller of refractory products and services to the North American iron and steel industry.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Refractory Service Incorporatedrefractoryservice.com HQ: Jackson, WI, United StatesReported employees: 51-200 | Jackson, WI, United States | 51-200 | Exact match | 19 contacts → |
“Refractory Service, Inc.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | F.S. Sperry Co, INCfssperry.com HQ: Memphis, TN, United StatesReported employees: 51-200 | Memphis, TN, United States | 51-200 | Exact match | 19 contacts → |
“F.S.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Refratechnik North America INCrefra.com HQ: St. Louis, MO, United StatesReported employees: 11-50 | St. Louis, MO, United States | 11-50 | Exact match | 18 contacts → |
“The Refratechnik group, the largest family-owned refractory company in the world, manufactures and installs high-quality refractory materials for high temperature industrial…” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Chiz Bros Refractory And Insulation Specialistschizbros.com HQ: Elizabeth, PA, United StatesReported employees: 11-50 | Elizabeth, PA, United States | 11-50 | Exact match | 17 contacts → |
“Chiz Bros is a refractory and insulation company based in Pittsburgh Pennsylvania.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Harbison Walker Refractorieshwr.com HQ: Salt Lake City, UT, United StatesReported employees: 51-200 | Salt Lake City, UT, United States | 51-200 | Exact match | 17 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 22 | JOE Moore & Company, INCjoemoorecompany.com HQ: Raleigh, NC, United StatesReported employees: 11-50 | Raleigh, NC, United States | 11-50 | Exact match | 16 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 23 | Ceramsource, INCceramsource.com HQ: Beaver Falls, PA, United StatesReported employees: 11-50 | Beaver Falls, PA, United States | 11-50 | Exact match | 14 contacts → |
“CeramSource is a unique supplier of high quality, refractory, fiber insulation, and graphite products.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Fire Brick Engineersfirebrickengineers.com HQ: Milwaukee, WI, United StatesReported employees: 51-200 | Milwaukee, WI, United States | 51-200 | Exact match | 14 contacts → |
“Fire Brick Engineers is the leader in the manufacture and distribution of the refractory products, as well as refractory construction services, furnace tear out and repair, and…” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Heimbrock INCheimbrockinc.com HQ: Louisville, KY, United StatesReported employees: 51-200 | Louisville, KY, United States | 51-200 | Exact match | 13 contacts → |
“Heimbrock Inc is a mechanical or industrial engineering company based out of 4632 ILLINOIS AVE, Louisville, Kentucky, United States.” Recorded description excerpt · October 25, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 104 company matches
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Furnace blocks suppliers: dataset insights
October 25, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
104 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 104 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: October 25, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for furnace blocks suppliers?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many furnace blocks suppliers did RevenueBase find based in the United States?
The saved snapshot records 104 matching company records, 2,605 tracked contacts and 782 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: October 25, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Furnace blocks suppliers by geography
Cite this list
RevenueBase Data Team. Top 25 furnace blocks suppliers based in the United States. Snapshot: October 25, 2026. https://revenuebase.ai/companies/furnace-blocks-suppliers/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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