Company lists · Data refreshed November 2026

Top 25 Refractory contractors based in the United States

RevenueBase identified 269 company matches for refractory contractors associated with the United States as of November 2026 and tracks 5,526 professional contacts across them, including 1,449 with verified work emails. Cleveland is the largest hub.

This list covers company matches for refractory contractors 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 November 6, 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Nov 6, 2026 How this list was built
269Companies
5,526Contacts tracked
1,449Verified emails
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The 25 largest refractory contractors based in the United States

Ranked by team size
Top 25 of 269 company matches for refractory contractors based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchPittsburgh, PA, United StatesHQ recorded Nov 6, 20261,001-5,000776 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 · Nov 6, 2026 · View company records in RevenueBase
2Exact matchCleveland, OH, United StatesHQ recorded Nov 6, 2026501-1,000324 contacts →

Exact match

“Fosbel is the world leader in coke oven battery and glass furnace refractory maintenance services, rebuilds and construction.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchHouston, TX, United StatesHQ recorded Nov 6, 2026501-1,000274 contacts →

Exact match

“BRACE Integrated Services, a BRACE Industrial Group company, is a nationwide specialty contractor and turn-key supplier of scaffolding, insulation, fireproofing, heat tracing…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchExport, AK, United StatesHQ recorded Nov 6, 2026201-500125 contacts →

Exact match

“KT-Grant helps thousands of global metal, mining, and chemical processing businesses ensure worker safety, shorten maintenance downtime and reduce operating costs by providing…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchNewburyport, MA, United StatesHQ recorded Nov 6, 2026201-500110 contacts →

Exact match

“Zampell Refractories is an organization that is chiefly involved with the engineering and construction of refractories, insulation, and scaffolding within the industrial sector…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchLake Charles, LA, United StatesHQ recorded Nov 6, 2026201-50087 contacts →

Exact match

“From our humble beginnings as a regional masonry contractor in Southwest Louisiana, Alfred Miller Contracting has grown into a thriving, nationwide contractor offering innovative…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchNorthbrook, IL, United StatesHQ recorded Nov 6, 202651-20081 contacts →

Exact match

“Plibrico offers a full line of monolithic refractories, insulating firebrick and complementary refractory products.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchLoxley, AL, United StatesHQ recorded Nov 6, 202651-20075 contacts →

Exact match

“K&G INDUSTRIAL SERVICES, LLC is a company based out of 26532 RAILROAD AVENUE, LOXLEY, Alabama, United States.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchMcmurray, IN, United StatesHQ recorded Nov 6, 2026201-50065 contacts →

Exact match

“OUTSTANDING QUALITY, PROVEN TECHNOLOGY, & CUSTOMER-FOCUSED SERVICE FOR 50 YEARS.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchErie, PA, United StatesHQ recorded Nov 6, 202651-20059 contacts →

Exact match

“Onex delivers complete industrial furnace and combustion solutions designed to improve reliability, efficiency, and operational performance.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchTulsa, OK, United StatesHQ recorded Nov 6, 202651-20056 contacts →

Exact match

“Welcome to HSI HSI is a fully integrated single source manufacturer of vessels and refractory lined equipment for the oil refining, chemical process, power generation and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchSt. Marys, PA, United StatesHQ recorded Nov 6, 202651-20053 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 · Nov 6, 2026 · View company records in RevenueBase
13Exact matchHouston, TX, United StatesHQ recorded Nov 6, 202651-20053 contacts →

Exact match

“Diamond Refractory specializes in the installation and repair of refractory materials for critical units in process plants.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchBastrop, LA, United StatesHQ recorded Nov 6, 202611-5053 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchDeer Park, TX, United StatesHQ recorded Nov 6, 202651-20049 contacts →

Exact match

“Every project needs a well developed plan, which is why RCS offers immediate, efficient project management services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchSt. Paul, MN, United StatesHQ recorded Nov 6, 202651-20046 contacts →

Exact match

“Gagnon Inc is a premier Industrial and Commercial construction company corporate office located in Saint Paul, MN and offices in other locations.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchMobile, FL, United StatesHQ recorded Nov 6, 2026201-50045 contacts →

Exact match

“Industry Services was first established in 1985 in Mobile, Alabama.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchWaxahachie, TX, United StatesHQ recorded Nov 6, 2026201-50044 contacts →

Exact match

“Based in Texas with Additional Locations in Louisiana, Alabama and Florida || Serving Industrial Plants Nationwide At Elite we handle every aspect of refractory installation…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchStreetsboro, OH, United StatesHQ recorded Nov 6, 202611-5043 contacts →

Exact match

“Onex is a global industrial refractory contractor, project manager, and material supplier.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchMoon Township, PA, United StatesHQ recorded Nov 6, 2026n/a42 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchFremont, OH, United StatesHQ recorded Nov 6, 202651-20041 contacts →

Exact match

“Under the Fosbel family of companies, Wahl Refractory Solutions was originally founded by Oscar C.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchNorthampton, MA, United StatesHQ recorded Nov 6, 202651-20041 contacts →

Exact match

“Superior Refractory Solutions, Expertise in the Safe Removal, Installation, and Supply of Refractories and Industrial Insulation.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchBirmingham, IN, United StatesHQ recorded Nov 6, 202651-20041 contacts →

Exact match

“Bisco Refractories opened its doors in Birmingham, Ala, in 1997 with the goal of servicing the refractory installation and maintenance needs of American iron and steel producers.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchLexington, TX, United StatesHQ recorded Nov 6, 202651-20040 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 · Nov 6, 2026 · View company records in RevenueBase
25Exact matchNew Iberia, LA, United StatesHQ recorded Nov 6, 2026501-1,00035 contacts →

Exact match

“Land Coast was incorporated in 1974 and has continually expanded and diversified our services to become a leading full-service specialty contractor.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 269 refractory contractors based in the United States

See the full list, filter by size, metro and specialty, and access 1,449 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Refractory contractors based in the United States at a glance

As of Nov 6, 2026
26.2%Verified-email coverage
20.5Average contacts per company
11-50Median size (employees)
2.6%Largest-city concentration · Cleveland
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
85
11-50
92
51-200
68
201-500
11
501-1,000
6
1,001-5,000
3
5,001-10,000
2

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 269 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 “refractory contractors” 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 1,449 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 November 6, 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 “refractory contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many refractory contractors are there based in the United States?

RevenueBase identified 269 company matches for refractory contractors associated with the United States as of November 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 refractory contractors?

Cleveland leads with 7 company records, followed by Houston (7) and St. Louis (6).

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 1,449 professional contacts with verified work emails tracked across these 269 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 November 6, 2026.

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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.