Company lists · Data refreshed October 2026
Top 25 Boiler contractors worldwide
RevenueBase identified 4,623 company matches for boiler contractors worldwide as of October 2026 and tracks 38,965 professional contacts across them, including 8,075 with verified work emails. The United Kingdom is the largest market and London the largest hub.
This list covers company matches for boiler contractors worldwide, 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 9, 2026. Country and city lists for boiler contractors follow the table.
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 boiler contractors worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 665 contacts → | ||||
Exact match “Cleaver-Brooks, Inc, a manufacturer of boiler room products for over 90 years, is the only single source manufacturer and supplier of boiler room products including boilers…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 2 | 651 contacts → | ||||
Exact match “John Thompson is a leader in energy and environmental solutions through value engineering and innovation.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 3 | 404 contacts → | ||||
Exact match “BABCOCK WANSON offers a complete range of products and services for industrial boiler house.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 4 | 344 contacts → | ||||
Exact match “Empresa fabricante de caldeiras de alta pressão destinadas ao fornecimento de vapor para processo e geração em termoelétricas para os mercados de açúcar e álcool e alimentos.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 5 | 315 contacts → | ||||
Exact match “CERREY, a leading Mexican company, is one of the main manufacturers of steam generators in the Americas.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 6 | 294 contacts → | ||||
Exact match “Weil-McLain® is a leading North American designer and manufacturer of hydronic comfort heating systems for residential, commercial and institutional buildings since 1881.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 7 | 277 contacts → | ||||
Exact match “Contractor for Life At GEM Inc, we’re experienced problem solvers with the insight, integrity and resources to see you through your toughest challenges.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 8 | 267 contacts → | ||||
Exact match “National is a full-service industrial contractor with 35+ years of experience delivering precision-driven boiler, mechanical, construction, and specialty services to industrial…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 9 | 245 contacts → | ||||
Exact match “For over 70 years, Raypak has been the world's leading manufacturer of copper finned boilers and heaters.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 10 | 212 contacts → | ||||
Exact match “Clyde Industries, a subsidiary of Kadant Inc, headquartered in Atlanta, Georgia, is a leading provider of boiler efficiency solutions for the most demanding applications in the…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 11 | 209 contacts → | ||||
Exact match “At Diamond Power, we partner with customers to tackle even the most complex boiler cleaning issues.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 12 | 203 contacts → | ||||
Exact match “Intergas: an introduction.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 13 | 198 contacts → | ||||
Exact match “Cleaver-Brooks Sales and Service, is one of the most innovative and fastest growing boiler services companies in the United States.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 14 | 198 contacts → | ||||
Exact match “Nata negli anni 1925 come produttore di prodotti smaltati, dagli anni 70 Baxi è entrata nel settore HVAC con apparecchi domestici per il riscaldamento e la climatizzazione.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 15 | 197 contacts → | ||||
Exact match “Texcel Engineers – the name is synonym for Technical Excellence.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 16 | 193 contacts → | ||||
Exact match “R.F.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 17 | 168 contacts → | ||||
Exact match “Fulton specializes in custom engineered industrial and commercial heating systems featuring steam boilers, hot water and hydronic boilers, thermal fluid heaters, and a full range…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 18 | 167 contacts → | ||||
Exact match “Victory Energy Operations, LLC is a leading, single-source (concept to completion) supplier of custom-engineered industrial boiler systems and advanced technologies worldwide…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 19 | 163 contacts → | ||||
Exact match “Founded in 1954, Newcomb and Company is a full-service mechanical contractor providing customers in the commercial, residential, and industrial sectors with innovative…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 20 | 163 contacts → | ||||
Exact match “TISSOT Industrie | Tailored industrial excellence since 1942.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 21 | 159 contacts → | ||||
Exact match “Somos especialistas no desenvolvimento customizado de caldeiras equipamentos para geração de vapor, visando superar as expectativas dos nossos Clientes.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 22 | 158 contacts → | ||||
Exact match “ICAVI – Indústria de Caldeiras Vale do Itajaí S/A, is located in the municipality of Pouso Redondo, in the state of Santa Catarina.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 23 | 149 contacts → | ||||
Exact match “WARE is a commercial and industrial, boiler rental and service company.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 24 | 134 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 25 | 134 contacts → | ||||
Exact match “Since its inception on October 20, 1930, Clayton Industries has established a world-wide reputation as a leading manufacturer of equipment for industrial process steam…” Recorded in the RevenueBase company graph · Oct 9, 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 “boiler contractors”. 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 4,623 boiler contractors worldwide
See the full list, filter by size, metro and specialty, and access 8,075 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Boiler contractors worldwide at a glance
As of Oct 9, 2026Companies by employee count
Email recency is reported on each country list linked below.
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.
- Coverage
- Every country. Country and city lists for boiler contractors are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “boiler 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. 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 8,075 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 9, 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.
Boiler contractors by location
14 lists · largest firstEvery Boiler contractors list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Boiler contractors based in the United Kingdom1,004
- Boiler contractors based in the United States900
- Boiler contractors based in India283
- Boiler contractors based in France250
- Boiler contractors based in Italy215
- Boiler contractors based in Canada184
- Boiler contractors based in Brazil165
- Boiler contractors based in Spain127
- Boiler contractors based in Türkiye115
- Boiler contractors based in the Netherlands93
- Boiler contractors based in Belgium48
- Boiler contractors based in Germany45
- Boiler contractors based in Australia38
- Boiler contractors based in South Africa29
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 “boiler contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many boiler contractors are there worldwide?
RevenueBase identified 4,623 company matches for boiler contractors worldwide 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?
Cleaver-Brooks tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most boiler contractors?
The United Kingdom leads with 1,004 companies, followed by the United States (900) and India (283). Every boiler contractors list by country and city is linked on this page.
Which city has the most boiler contractors?
London leads with 58 company records, followed by Pune (34) and Ahmedabad (19).
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 8,075 professional contacts with verified work emails tracked across these 4,623 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 9, 2026.
Ready to reach these companies? Verified emails and direct dials for all 4,623 boiler contractors worldwide. 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
Company intelligence · public preview
Top 25 boiler contractors worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 4,623 matching company records for boiler contractors worldwide, with 38,965 tracked contacts and 8,075 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 9, 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 boiler contractors worldwide
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 | Cleaver-Brookscleaverbrooks.com HQ: Thomasville, GA, United StatesReported employees: 1,001-5,000 | Thomasville, GA, United States | 1,001-5,000 | Exact match | 665 contacts → |
“Cleaver-Brooks, Inc, a manufacturer of boiler room products for over 90 years, is the only single source manufacturer and supplier of boiler room products including boilers…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | John Thompsonjohnthompson.co.za HQ: Cape Town, South AfricaReported employees: 1,001-5,000 | Cape Town, South Africa | 1,001-5,000 | Exact match | 651 contacts → |
“John Thompson is a leader in energy and environmental solutions through value engineering and innovation.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Babcock Wanson Internationalbabcock-wanson.com HQ: Nerac, FranceReported employees: 501-1,000 | Nerac, France | 501-1,000 | Exact match | 404 contacts → |
“BABCOCK WANSON offers a complete range of products and services for industrial boiler house.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | HPB Engenharia E Equipamentos Ltdahpb.com.br HQ: Sertãozinho, BrazilReported employees: 501-1,000 | Sertãozinho, Brazil | 501-1,000 | Exact match | 344 contacts → |
“Empresa fabricante de caldeiras de alta pressão destinadas ao fornecimento de vapor para processo e geração em termoelétricas para os mercados de açúcar e álcool e alimentos.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Cerreycerrey.com.mx HQ: San Nicolás De Los Garza, MexicoReported employees: 501-1,000 | San Nicolás De Los Garza, Mexico | 501-1,000 | Exact match | 315 contacts → |
“CERREY, a leading Mexican company, is one of the main manufacturers of steam generators in the Americas.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Weil-Mclainweil-mclain.com HQ: Burr Ridge, IL, United StatesReported employees: 501-1,000 | Burr Ridge, IL, United States | 501-1,000 | Exact match | 294 contacts → |
“Weil-McLain® is a leading North American designer and manufacturer of hydronic comfort heating systems for residential, commercial and institutional buildings since 1881.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  GEM Incorporatedrlgbuilds.comHQ: Walbridge, OH, United StatesReported employees: 1,001-5,000 | Walbridge, OH, United States | 1,001-5,000 | Exact match | 277 contacts → |
“Contractor for Life At GEM Inc, we’re experienced problem solvers with the insight, integrity and resources to see you through your toughest challenges.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Nationalnationaldelivers.com HQ: United StatesReported employees: 51-200 | United States | 51-200 | Exact match | 267 contacts → |
“National is a full-service industrial contractor with 35+ years of experience delivering precision-driven boiler, mechanical, construction, and specialty services to industrial…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Raypakraypak.com HQ: Oxnard, United StatesReported employees: 501-1,000 | Oxnard, United States | 501-1,000 | Exact match | 245 contacts → |
“For over 70 years, Raypak has been the world's leading manufacturer of copper finned boilers and heaters.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Clyde Industriesclyde-industries.comHQ: Atlanta, GA, United StatesReported employees: 201-500 | Atlanta, GA, United States | 201-500 | Exact match | 212 contacts → |
“Clyde Industries, a subsidiary of Kadant Inc, headquartered in Atlanta, Georgia, is a leading provider of boiler efficiency solutions for the most demanding applications in the…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Diamond Power Internationalandritz.comHQ: Lancaster, OH, United StatesReported employees: 201-500 | Lancaster, OH, United States | 201-500 | Exact match | 209 contacts → |
“At Diamond Power, we partner with customers to tackle even the most complex boiler cleaning issues.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Intergas Verwarming B.Vintergas-verwarming.nl HQ: Coevorden, NetherlandsReported employees: 201-500 | Coevorden, Netherlands | 201-500 | Exact match | 203 contacts → |
“Intergas: an introduction.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Cleaver-Brooks Sales And Servicecbservice.com HQ: Dallas, TX, United StatesReported employees: 201-500 | Dallas, TX, United States | 201-500 | Exact match | 198 contacts → |
“Cleaver-Brooks Sales and Service, is one of the most innovative and fastest growing boiler services companies in the United States.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Baxi Italiabaxi.itHQ: Bassano Del Grappa, ItalyReported employees: 501-1,000 | Bassano Del Grappa, Italy | 501-1,000 | Exact match | 198 contacts → |
“Nata negli anni 1925 come produttore di prodotti smaltati, dagli anni 70 Baxi è entrata nel settore HVAC con apparecchi domestici per il riscaldamento e la climatizzazione.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Texcel Engineers PVT LTDtexcelengineers.net HQ: Chennai, IndiaReported employees: 201-500 | Chennai, India | 201-500 | Exact match | 197 contacts → |
“Texcel Engineers – the name is synonym for Technical Excellence.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | R.F. Macdonald COrfmacdonald.com HQ: Hayward, CA, United StatesReported employees: 201-500 | Hayward, CA, United States | 201-500 | Exact match | 193 contacts → |
“R.F.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Fultonfulton.com HQ: Pulaski, NY, United StatesReported employees: 501-1,000 | Pulaski, NY, United States | 501-1,000 | Exact match | 168 contacts → |
“Fulton specializes in custom engineered industrial and commercial heating systems featuring steam boilers, hot water and hydronic boilers, thermal fluid heaters, and a full range…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Victory Energy Operations, LLCvictoryenergy.com HQ: Collinsville, OK, United StatesReported employees: 201-500 | Collinsville, OK, United States | 201-500 | Exact match | 167 contacts → |
“Victory Energy Operations, LLC is a leading, single-source (concept to completion) supplier of custom-engineered industrial boiler systems and advanced technologies worldwide…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Newcomb And Companynewcombandcompany.comHQ: Raleigh, NC, United StatesReported employees: 201-500 | Raleigh, NC, United States | 201-500 | Exact match | 163 contacts → |
“Founded in 1954, Newcomb and Company is a full-service mechanical contractor providing customers in the commercial, residential, and industrial sectors with innovative…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Tissot Industrietissot.comHQ: Podensac, FranceReported employees: 51-200 | Podensac, France | 51-200 | Exact match | 163 contacts → |
“TISSOT Industrie | Tailored industrial excellence since 1942.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Danpower Caldeirasdanpower.com.br HQ: Piracicaba, BrazilReported employees: 201-500 | Piracicaba, Brazil | 201-500 | Exact match | 159 contacts → |
“Somos especialistas no desenvolvimento customizado de caldeiras equipamentos para geração de vapor, visando superar as expectativas dos nossos Clientes.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | ICAVIicavi.ind.br HQ: Pouso Redondo, BrazilReported employees: 201-500 | Pouso Redondo, Brazil | 201-500 | Exact match | 158 contacts → |
“ICAVI – Indústria de Caldeiras Vale do Itajaí S/A, is located in the municipality of Pouso Redondo, in the state of Santa Catarina.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | WAREwareinc.com HQ: Louisville, KY, United StatesReported employees: 51-200 | Louisville, KY, United States | 51-200 | Exact match | 149 contacts → |
“WARE is a commercial and industrial, boiler rental and service company.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  SSM Industries, INCssmi.bizHQ: Pittsburgh, PA, United StatesReported employees: 201-500 | Pittsburgh, PA, United States | 201-500 | Exact match | 134 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 25 | Clayton Industriesclaytonindustries.com HQ: City Of Industry, CA, United StatesReported employees: 51-200 | City Of Industry, CA, United States | 51-200 | Exact match | 134 contacts → |
“Since its inception on October 20, 1930, Clayton Industries has established a world-wide reputation as a leading manufacturer of equipment for industrial process steam…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 4,623 company matches
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Boiler contractors: dataset insights
October 9, 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
4,513 records in the displayed employee bands.
110 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 across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 4,623 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 9, 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 ↗
Boiler contractors by location
14 lists · largest firstEvery Boiler contractors list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Boiler contractors based in the United Kingdom1,004
- Boiler contractors based in the United States900
- Boiler contractors based in India283
- Boiler contractors based in France250
- Boiler contractors based in Italy215
- Boiler contractors based in Canada184
- Boiler contractors based in Brazil165
- Boiler contractors based in Spain127
- Boiler contractors based in Türkiye115
- Boiler contractors based in the Netherlands93
- Boiler contractors based in Belgium48
- Boiler contractors based in Germany45
- Boiler contractors based in Australia38
- Boiler contractors based in South Africa29
Questions about this company list
What does Exact match mean for boiler contractors?
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 boiler contractors did RevenueBase find worldwide?
The saved snapshot records 4,623 matching company records, 38,965 tracked contacts and 8,075 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 9, 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
Browse the directory
Cite this list
RevenueBase Data Team. Top 25 boiler contractors worldwide. Snapshot: October 9, 2026. https://revenuebase.ai/companies/browse/boiler-contractors.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
Company intelligence · public preview
Top 25 boiler contractors worldwide
RevenueBase records 4,623 matching company records for boiler contractors worldwide, with 38,965 tracked contacts and 8,075 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 9, 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 boiler contractors worldwide
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 | Cleaver-Brookscleaverbrooks.com HQ: Thomasville, GA, United StatesReported employees: 1,001-5,000 | Thomasville, GA, United States | 1,001-5,000 | Exact match | 665 contacts → |
“Cleaver-Brooks, Inc, a manufacturer of boiler room products for over 90 years, is the only single source manufacturer and supplier of boiler room products including boilers…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | John Thompsonjohnthompson.co.za HQ: Cape Town, South AfricaReported employees: 1,001-5,000 | Cape Town, South Africa | 1,001-5,000 | Exact match | 651 contacts → |
“John Thompson is a leader in energy and environmental solutions through value engineering and innovation.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Babcock Wanson Internationalbabcock-wanson.com HQ: Nerac, FranceReported employees: 501-1,000 | Nerac, France | 501-1,000 | Exact match | 404 contacts → |
“BABCOCK WANSON offers a complete range of products and services for industrial boiler house.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | HPB Engenharia E Equipamentos Ltdahpb.com.br HQ: Sertãozinho, BrazilReported employees: 501-1,000 | Sertãozinho, Brazil | 501-1,000 | Exact match | 344 contacts → |
“Empresa fabricante de caldeiras de alta pressão destinadas ao fornecimento de vapor para processo e geração em termoelétricas para os mercados de açúcar e álcool e alimentos.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Cerreycerrey.com.mx HQ: San Nicolás De Los Garza, MexicoReported employees: 501-1,000 | San Nicolás De Los Garza, Mexico | 501-1,000 | Exact match | 315 contacts → |
“CERREY, a leading Mexican company, is one of the main manufacturers of steam generators in the Americas.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Weil-Mclainweil-mclain.com HQ: Burr Ridge, IL, United StatesReported employees: 501-1,000 | Burr Ridge, IL, United States | 501-1,000 | Exact match | 294 contacts → |
“Weil-McLain® is a leading North American designer and manufacturer of hydronic comfort heating systems for residential, commercial and institutional buildings since 1881.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | GEM Incorporatedrlgbuilds.com HQ: Walbridge, OH, United StatesReported employees: 1,001-5,000 | Walbridge, OH, United States | 1,001-5,000 | Exact match | 277 contacts → |
“Contractor for Life At GEM Inc, we’re experienced problem solvers with the insight, integrity and resources to see you through your toughest challenges.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Nationalnationaldelivers.com HQ: United StatesReported employees: 51-200 | United States | 51-200 | Exact match | 267 contacts → |
“National is a full-service industrial contractor with 35+ years of experience delivering precision-driven boiler, mechanical, construction, and specialty services to industrial…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Raypakraypak.com HQ: Oxnard, United StatesReported employees: 501-1,000 | Oxnard, United States | 501-1,000 | Exact match | 245 contacts → |
“For over 70 years, Raypak has been the world's leading manufacturer of copper finned boilers and heaters.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Clyde Industriesclyde-industries.com HQ: Atlanta, GA, United StatesReported employees: 201-500 | Atlanta, GA, United States | 201-500 | Exact match | 212 contacts → |
“Clyde Industries, a subsidiary of Kadant Inc, headquartered in Atlanta, Georgia, is a leading provider of boiler efficiency solutions for the most demanding applications in the…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Diamond Power Internationalandritz.com HQ: Lancaster, OH, United StatesReported employees: 201-500 | Lancaster, OH, United States | 201-500 | Exact match | 209 contacts → |
“At Diamond Power, we partner with customers to tackle even the most complex boiler cleaning issues.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Intergas Verwarming B.Vintergas-verwarming.nl HQ: Coevorden, NetherlandsReported employees: 201-500 | Coevorden, Netherlands | 201-500 | Exact match | 203 contacts → |
“Intergas: an introduction.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Cleaver-Brooks Sales And Servicecbservice.com HQ: Dallas, TX, United StatesReported employees: 201-500 | Dallas, TX, United States | 201-500 | Exact match | 198 contacts → |
“Cleaver-Brooks Sales and Service, is one of the most innovative and fastest growing boiler services companies in the United States.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Baxi Italiabaxi.it HQ: Bassano Del Grappa, ItalyReported employees: 501-1,000 | Bassano Del Grappa, Italy | 501-1,000 | Exact match | 198 contacts → |
“Nata negli anni 1925 come produttore di prodotti smaltati, dagli anni 70 Baxi è entrata nel settore HVAC con apparecchi domestici per il riscaldamento e la climatizzazione.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Texcel Engineers PVT LTDtexcelengineers.net HQ: Chennai, IndiaReported employees: 201-500 | Chennai, India | 201-500 | Exact match | 197 contacts → |
“Texcel Engineers – the name is synonym for Technical Excellence.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | R.F. Macdonald COrfmacdonald.com HQ: Hayward, CA, United StatesReported employees: 201-500 | Hayward, CA, United States | 201-500 | Exact match | 193 contacts → |
“R.F.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Fultonfulton.com HQ: Pulaski, NY, United StatesReported employees: 501-1,000 | Pulaski, NY, United States | 501-1,000 | Exact match | 168 contacts → |
“Fulton specializes in custom engineered industrial and commercial heating systems featuring steam boilers, hot water and hydronic boilers, thermal fluid heaters, and a full range…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Victory Energy Operations, LLCvictoryenergy.com HQ: Collinsville, OK, United StatesReported employees: 201-500 | Collinsville, OK, United States | 201-500 | Exact match | 167 contacts → |
“Victory Energy Operations, LLC is a leading, single-source (concept to completion) supplier of custom-engineered industrial boiler systems and advanced technologies worldwide…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Newcomb And Companynewcombandcompany.com HQ: Raleigh, NC, United StatesReported employees: 201-500 | Raleigh, NC, United States | 201-500 | Exact match | 163 contacts → |
“Founded in 1954, Newcomb and Company is a full-service mechanical contractor providing customers in the commercial, residential, and industrial sectors with innovative…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Tissot Industrietissot.com HQ: Podensac, FranceReported employees: 51-200 | Podensac, France | 51-200 | Exact match | 163 contacts → |
“TISSOT Industrie | Tailored industrial excellence since 1942.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Danpower Caldeirasdanpower.com.br HQ: Piracicaba, BrazilReported employees: 201-500 | Piracicaba, Brazil | 201-500 | Exact match | 159 contacts → |
“Somos especialistas no desenvolvimento customizado de caldeiras equipamentos para geração de vapor, visando superar as expectativas dos nossos Clientes.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | ICAVIicavi.ind.br HQ: Pouso Redondo, BrazilReported employees: 201-500 | Pouso Redondo, Brazil | 201-500 | Exact match | 158 contacts → |
“ICAVI – Indústria de Caldeiras Vale do Itajaí S/A, is located in the municipality of Pouso Redondo, in the state of Santa Catarina.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | WAREwareinc.com HQ: Louisville, KY, United StatesReported employees: 51-200 | Louisville, KY, United States | 51-200 | Exact match | 149 contacts → |
“WARE is a commercial and industrial, boiler rental and service company.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | SSM Industries, INCssmi.biz HQ: Pittsburgh, PA, United StatesReported employees: 201-500 | Pittsburgh, PA, United States | 201-500 | Exact match | 134 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 25 | Clayton Industriesclaytonindustries.com HQ: City Of Industry, CA, United StatesReported employees: 51-200 | City Of Industry, CA, United States | 51-200 | Exact match | 134 contacts → |
“Since its inception on October 20, 1930, Clayton Industries has established a world-wide reputation as a leading manufacturer of equipment for industrial process steam…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
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Boiler contractors: dataset insights
October 9, 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
4,513 records in the displayed employee bands.
110 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 across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 4,623 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 9, 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 ↗
Boiler contractors by location
14 lists · largest firstEvery Boiler contractors list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Boiler contractors based in the United Kingdom1,004
- Boiler contractors based in the United States900
- Boiler contractors based in India283
- Boiler contractors based in France250
- Boiler contractors based in Italy215
- Boiler contractors based in Canada184
- Boiler contractors based in Brazil165
- Boiler contractors based in Spain127
- Boiler contractors based in Türkiye115
- Boiler contractors based in the Netherlands93
- Boiler contractors based in Belgium48
- Boiler contractors based in Germany45
- Boiler contractors based in Australia38
- Boiler contractors based in South Africa29
Questions about this company list
What does Exact match mean for boiler contractors?
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 boiler contractors did RevenueBase find worldwide?
The saved snapshot records 4,623 matching company records, 38,965 tracked contacts and 8,075 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 9, 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.
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Cite this list
RevenueBase Data Team. Top 25 boiler contractors worldwide. Snapshot: October 9, 2026. https://revenuebase.ai/companies/browse/boiler-contractors.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗