Company lists · Data refreshed November 2026
Top 25 Boiler system installers worldwide
RevenueBase identified 3,699 company matches for boiler system installers worldwide as of November 2026 and tracks 25,499 professional contacts across them, including 5,995 with verified work emails. The United Kingdom is the largest market and London the largest hub.
This list covers company matches for boiler system installers 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 November 6, 2026. Country and city lists for boiler system installers 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 system installers worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 813 contacts → | ||||
Exact match “Sinds het ontstaan in 1947 is Feenstra marktleider in installatietechniek met een nationale dekking.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 695 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 405 contacts → | ||||
Exact match “BABCOCK WANSON offers a complete range of products and services for industrial boiler house.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 211 contacts → | ||||
Exact match “R.F.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 210 contacts → | ||||
Exact match “Intergas: an introduction.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 205 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 203 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 199 contacts → | ||||
Exact match “Bonarius Bedrijven De naam Bonarius was lange tijd synoniem voor de aanleg en het onderhoud van cv-installaties.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 177 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 170 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 162 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 161 contacts → | ||||
Exact match “WARE is a commercial and industrial, boiler rental and service company.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 153 contacts → | ||||
Exact match “As an established heating company based in Kent, Swale Heating are proud to offer expert guidance in choosing the best heating and boiler systems & products available today.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 136 contacts → | ||||
Exact match “Agence en ligne pour consultation du compte, prise de rendez-vous en temps réel pour l'entretien ou le changement de votre chaudière - individuelle ou collective, économies…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 123 contacts → | ||||
Exact match “Fabryka Kotłów “SEFAKO” S.A.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 121 contacts → | ||||
Exact match “For over 102 years, Tate Engineering has been a trusted provider of mechanical and industrial solutions across the Mid-Atlantic.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 120 contacts → | ||||
Exact match “Cochran has been embedded within industrial boiler manufacturing since 1878.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 113 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 109 contacts → | ||||
Exact match “California Boiler is a 100% employee-owned company specializing in complete boiler service, sales, parts and rentals.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 108 contacts → | ||||
Exact match “Our innovative approach, highly-trained team, and square foot facility gives Helfrich Brothers the ability to offer custom turn-key services for our clients.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 107 contacts → | ||||
Exact match “With over 25 years of experience, we are one of India’s most trusted names in industrial heating and energy solutions.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 102 contacts → | ||||
Exact match “The energy-saving pilot for all boiler rooms.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 99 contacts → | ||||
Exact match “Your industrial boiler is at the heart of your operations.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 95 contacts → | ||||
Exact match “Delval has provided thousands of packaged boilers to our trusted clients, more than any other supplier in the region.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 25 | 95 contacts → | ||||
Exact match “Founded in 1977, C&C Boiler Sales & Service, Inc.” Recorded in the RevenueBase company graph · Nov 6, 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 system installers”. 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 3,699 boiler system installers worldwide
See the full list, filter by size, metro and specialty, and access 5,995 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Boiler system installers worldwide at a glance
As of Nov 6, 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 system installers are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “boiler system installers” 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 5,995 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.
Boiler system installers by location
11 lists · largest firstEvery Boiler system installers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Boiler system installers based in the United Kingdom1,038
- Boiler system installers based in the United States505
- Boiler system installers based in France327
- Boiler system installers based in Italy263
- Boiler system installers based in the Netherlands167
- Boiler system installers based in Spain127
- Boiler system installers based in Canada107
- Boiler system installers based in Belgium94
- Boiler system installers based in Germany71
- Boiler system installers based in Australia26
Cities
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 system installers”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many boiler system installers are there worldwide?
RevenueBase identified 3,699 company matches for boiler system installers worldwide 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?
Feenstra tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most boiler system installers?
The United Kingdom leads with 1,038 companies, followed by the United States (505) and France (327). Every boiler system installers list by country and city is linked on this page.
Which city has the most boiler system installers?
London leads with 58 company records, followed by Leeds (16) and Rome (16).
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 5,995 professional contacts with verified work emails tracked across these 3,699 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.
Ready to reach these companies? Verified emails and direct dials for all 3,699 boiler system installers 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 system installers worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 3,699 matching company records for boiler system installers worldwide, with 25,499 tracked contacts and 5,995 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: November 6, 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 system installers 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 |  Feenstrafeenstra.comHQ: Lelystad, NetherlandsReported employees: 1,001-5,000 | Lelystad, Netherlands | 1,001-5,000 | Exact match | 813 contacts → |
“Sinds het ontstaan in 1947 is Feenstra marktleider in installatietechniek met een nationale dekking.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Cleaver-Brookscleaverbrooks.comHQ: Thomasville, WI, United StatesReported employees: 1,001-5,000 | Thomasville, WI, United States | 1,001-5,000 | Exact match | 695 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Babcock Wanson Internationalbabcock-wanson.comHQ: Nerac, FranceReported employees: 501-1,000 | Nerac, France | 501-1,000 | Exact match | 405 contacts → |
“BABCOCK WANSON offers a complete range of products and services for industrial boiler house.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  R.F. Macdonald COrfmacdonald.comHQ: Hayward, CA, United StatesReported employees: 201-500 | Hayward, CA, United States | 201-500 | Exact match | 211 contacts → |
“R.F.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Intergas Verwarming B.Vintergas-verwarming.nlHQ: Coevorden, NetherlandsReported employees: 201-500 | Coevorden, Netherlands | 201-500 | Exact match | 210 contacts → |
“Intergas: an introduction.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Baxi Italiabaxi.itHQ: Bassano Del Grappa, ItalyReported employees: 501-1,000 | Bassano Del Grappa, Italy | 501-1,000 | Exact match | 205 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Cleaver-Brooks Sales And Servicecbservice.comHQ: Dallas, TX, United StatesReported employees: 201-500 | Dallas, TX, United States | 201-500 | Exact match | 203 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Bonarius Bedrijvenbonarius.comHQ: Zwanenburg, NetherlandsReported employees: 201-500 | Zwanenburg, Netherlands | 201-500 | Exact match | 199 contacts → |
“Bonarius Bedrijven De naam Bonarius was lange tijd synoniem voor de aanleg en het onderhoud van cv-installaties.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Fultonfulton.comHQ: Pulaski, NY, United StatesReported employees: 501-1,000 | Pulaski, NY, United States | 501-1,000 | Exact match | 177 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Victory Energy Operations, LLCvictoryenergy.comHQ: Collinsville, OK, United StatesReported employees: 201-500 | Collinsville, OK, United States | 201-500 | Exact match | 170 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  ICAVIicavi.ind.brHQ: Pouso Redondo, BrazilReported employees: 201-500 | Pouso Redondo, Brazil | 201-500 | Exact match | 162 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  WAREwareinc.comHQ: Louisville, TX, United StatesReported employees: 51-200 | Louisville, TX, United States | 51-200 | Exact match | 161 contacts → |
“WARE is a commercial and industrial, boiler rental and service company.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Swale Heating Part Of Sureserveswaleheating.comHQ: Sittingbourne, United KingdomReported employees: 201-500 | Sittingbourne, United Kingdom | 201-500 | Exact match | 153 contacts → |
“As an established heating company based in Kent, Swale Heating are proud to offer expert guidance in choosing the best heating and boiler systems & products available today.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  GAZ DE Bordeauxgazdebordeaux.frHQ: Bordeaux, FranceReported employees: 51-200 | Bordeaux, France | 51-200 | Exact match | 136 contacts → |
“Agence en ligne pour consultation du compte, prise de rendez-vous en temps réel pour l'entretien ou le changement de votre chaudière - individuelle ou collective, économies…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Fabryka Kotłów Sefako S.Asefako.plHQ: Sędziszów, PolandReported employees: 1,001-5,000 | Sędziszów, Poland | 1,001-5,000 | Exact match | 123 contacts → |
“Fabryka Kotłów “SEFAKO” S.A.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Tate Engineering Systems, INCtate.comHQ: Baltimore, PA, United StatesReported employees: 51-200 | Baltimore, PA, United States | 51-200 | Exact match | 121 contacts → |
“For over 102 years, Tate Engineering has been a trusted provider of mechanical and industrial solutions across the Mid-Atlantic.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Cochrancochran.co.ukHQ: Annan, United KingdomReported employees: 201-500 | Annan, United Kingdom | 201-500 | Exact match | 120 contacts → |
“Cochran has been embedded within industrial boiler manufacturing since 1878.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Aerco International, INCaerco.comHQ: Blauvelt, NY, United StatesReported employees: 51-200 | Blauvelt, NY, United States | 51-200 | Exact match | 113 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 19 |  California Boilercaliforniaboiler.comHQ: Santa Ana, CA, United StatesReported employees: 51-200 | Santa Ana, CA, United States | 51-200 | Exact match | 109 contacts → |
“California Boiler is a 100% employee-owned company specializing in complete boiler service, sales, parts and rentals.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Helfrich Brothers Boiler Workshbbwinc.comHQ: Lawrence, MA, United StatesReported employees: 51-200 | Lawrence, MA, United States | 51-200 | Exact match | 108 contacts → |
“Our innovative approach, highly-trained team, and square foot facility gives Helfrich Brothers the ability to offer custom turn-key services for our clients.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Thermodyne Engineering Systemthermodyneboilers.comHQ: Ghaziabad, IndiaReported employees: 201-500 | Ghaziabad, India | 201-500 | Exact match | 107 contacts → |
“With over 25 years of experience, we are one of India’s most trusted names in industrial heating and energy solutions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Green Fusiongreen-fusion.deHQ: Berlin, GermanyReported employees: 51-200 | Berlin, Germany | 51-200 | Exact match | 102 contacts → |
“The energy-saving pilot for all boiler rooms.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Byworth Boilers Limitedbyworth.co.ukHQ: Keighley, United KingdomReported employees: 51-200 | Keighley, United Kingdom | 51-200 | Exact match | 99 contacts → |
“Your industrial boiler is at the heart of your operations.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Delval Equipmentdelval.comHQ: West Norriton, PA, United StatesReported employees: 51-200 | West Norriton, PA, United States | 51-200 | Exact match | 95 contacts → |
“Delval has provided thousands of packaged boilers to our trusted clients, more than any other supplier in the region.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  C&c Boiler Sales & Service, INCccboiler.comHQ: Charlotte, NC, United StatesReported employees: 51-200 | Charlotte, NC, United States | 51-200 | Exact match | 95 contacts → |
“Founded in 1977, C&C Boiler Sales & Service, Inc.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 3,699 company matches
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Boiler system installers: dataset insights
November 6, 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
3,434 records in the displayed employee bands.
265 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 3,699 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: November 6, 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 system installers by location
11 lists · largest firstEvery Boiler system installers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Boiler system installers based in the United Kingdom1,038
- Boiler system installers based in the United States505
- Boiler system installers based in France327
- Boiler system installers based in Italy263
- Boiler system installers based in the Netherlands167
- Boiler system installers based in Spain127
- Boiler system installers based in Canada107
- Boiler system installers based in Belgium94
- Boiler system installers based in Germany71
- Boiler system installers based in Australia26
Cities
Questions about this company list
What does Exact match mean for boiler system installers?
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 system installers did RevenueBase find worldwide?
The saved snapshot records 3,699 matching company records, 25,499 tracked contacts and 5,995 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: November 6, 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 system installers worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/boiler-system-installers.
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 system installers worldwide
RevenueBase records 3,699 matching company records for boiler system installers worldwide, with 25,499 tracked contacts and 5,995 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: November 6, 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 system installers 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 | Feenstrafeenstra.com HQ: Lelystad, NetherlandsReported employees: 1,001-5,000 | Lelystad, Netherlands | 1,001-5,000 | Exact match | 813 contacts → |
“Sinds het ontstaan in 1947 is Feenstra marktleider in installatietechniek met een nationale dekking.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Cleaver-Brookscleaverbrooks.com HQ: Thomasville, WI, United StatesReported employees: 1,001-5,000 | Thomasville, WI, United States | 1,001-5,000 | Exact match | 695 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 · November 6, 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 | 405 contacts → |
“BABCOCK WANSON offers a complete range of products and services for industrial boiler house.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | R.F. Macdonald COrfmacdonald.com HQ: Hayward, CA, United StatesReported employees: 201-500 | Hayward, CA, United States | 201-500 | Exact match | 211 contacts → |
“R.F.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Intergas Verwarming B.Vintergas-verwarming.nl HQ: Coevorden, NetherlandsReported employees: 201-500 | Coevorden, Netherlands | 201-500 | Exact match | 210 contacts → |
“Intergas: an introduction.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Baxi Italiabaxi.it HQ: Bassano Del Grappa, ItalyReported employees: 501-1,000 | Bassano Del Grappa, Italy | 501-1,000 | Exact match | 205 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Cleaver-Brooks Sales And Servicecbservice.com HQ: Dallas, TX, United StatesReported employees: 201-500 | Dallas, TX, United States | 201-500 | Exact match | 203 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Bonarius Bedrijvenbonarius.com HQ: Zwanenburg, NetherlandsReported employees: 201-500 | Zwanenburg, Netherlands | 201-500 | Exact match | 199 contacts → |
“Bonarius Bedrijven De naam Bonarius was lange tijd synoniem voor de aanleg en het onderhoud van cv-installaties.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Fultonfulton.com HQ: Pulaski, NY, United StatesReported employees: 501-1,000 | Pulaski, NY, United States | 501-1,000 | Exact match | 177 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Victory Energy Operations, LLCvictoryenergy.com HQ: Collinsville, OK, United StatesReported employees: 201-500 | Collinsville, OK, United States | 201-500 | Exact match | 170 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | ICAVIicavi.ind.br HQ: Pouso Redondo, BrazilReported employees: 201-500 | Pouso Redondo, Brazil | 201-500 | Exact match | 162 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | WAREwareinc.com HQ: Louisville, TX, United StatesReported employees: 51-200 | Louisville, TX, United States | 51-200 | Exact match | 161 contacts → |
“WARE is a commercial and industrial, boiler rental and service company.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Swale Heating Part Of Sureserveswaleheating.com HQ: Sittingbourne, United KingdomReported employees: 201-500 | Sittingbourne, United Kingdom | 201-500 | Exact match | 153 contacts → |
“As an established heating company based in Kent, Swale Heating are proud to offer expert guidance in choosing the best heating and boiler systems & products available today.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | GAZ DE Bordeauxgazdebordeaux.fr HQ: Bordeaux, FranceReported employees: 51-200 | Bordeaux, France | 51-200 | Exact match | 136 contacts → |
“Agence en ligne pour consultation du compte, prise de rendez-vous en temps réel pour l'entretien ou le changement de votre chaudière - individuelle ou collective, économies…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Fabryka Kotłów Sefako S.Asefako.pl HQ: Sędziszów, PolandReported employees: 1,001-5,000 | Sędziszów, Poland | 1,001-5,000 | Exact match | 123 contacts → |
“Fabryka Kotłów “SEFAKO” S.A.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Tate Engineering Systems, INCtate.com HQ: Baltimore, PA, United StatesReported employees: 51-200 | Baltimore, PA, United States | 51-200 | Exact match | 121 contacts → |
“For over 102 years, Tate Engineering has been a trusted provider of mechanical and industrial solutions across the Mid-Atlantic.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Cochrancochran.co.uk HQ: Annan, United KingdomReported employees: 201-500 | Annan, United Kingdom | 201-500 | Exact match | 120 contacts → |
“Cochran has been embedded within industrial boiler manufacturing since 1878.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Aerco International, INCaerco.com HQ: Blauvelt, NY, United StatesReported employees: 51-200 | Blauvelt, NY, United States | 51-200 | Exact match | 113 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 19 | California Boilercaliforniaboiler.com HQ: Santa Ana, CA, United StatesReported employees: 51-200 | Santa Ana, CA, United States | 51-200 | Exact match | 109 contacts → |
“California Boiler is a 100% employee-owned company specializing in complete boiler service, sales, parts and rentals.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Helfrich Brothers Boiler Workshbbwinc.com HQ: Lawrence, MA, United StatesReported employees: 51-200 | Lawrence, MA, United States | 51-200 | Exact match | 108 contacts → |
“Our innovative approach, highly-trained team, and square foot facility gives Helfrich Brothers the ability to offer custom turn-key services for our clients.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Thermodyne Engineering Systemthermodyneboilers.com HQ: Ghaziabad, IndiaReported employees: 201-500 | Ghaziabad, India | 201-500 | Exact match | 107 contacts → |
“With over 25 years of experience, we are one of India’s most trusted names in industrial heating and energy solutions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Green Fusiongreen-fusion.de HQ: Berlin, GermanyReported employees: 51-200 | Berlin, Germany | 51-200 | Exact match | 102 contacts → |
“The energy-saving pilot for all boiler rooms.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Byworth Boilers Limitedbyworth.co.uk HQ: Keighley, United KingdomReported employees: 51-200 | Keighley, United Kingdom | 51-200 | Exact match | 99 contacts → |
“Your industrial boiler is at the heart of your operations.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Delval Equipmentdelval.com HQ: West Norriton, PA, United StatesReported employees: 51-200 | West Norriton, PA, United States | 51-200 | Exact match | 95 contacts → |
“Delval has provided thousands of packaged boilers to our trusted clients, more than any other supplier in the region.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | C&c Boiler Sales & Service, INCccboiler.com HQ: Charlotte, NC, United StatesReported employees: 51-200 | Charlotte, NC, United States | 51-200 | Exact match | 95 contacts → |
“Founded in 1977, C&C Boiler Sales & Service, Inc.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 3,699 company matches
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Boiler system installers: dataset insights
November 6, 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
3,434 records in the displayed employee bands.
265 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 3,699 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: November 6, 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 system installers by location
11 lists · largest firstEvery Boiler system installers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Boiler system installers based in the United Kingdom1,038
- Boiler system installers based in the United States505
- Boiler system installers based in France327
- Boiler system installers based in Italy263
- Boiler system installers based in the Netherlands167
- Boiler system installers based in Spain127
- Boiler system installers based in Canada107
- Boiler system installers based in Belgium94
- Boiler system installers based in Germany71
- Boiler system installers based in Australia26
Cities
Questions about this company list
What does Exact match mean for boiler system installers?
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 system installers did RevenueBase find worldwide?
The saved snapshot records 3,699 matching company records, 25,499 tracked contacts and 5,995 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: November 6, 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 system installers worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/boiler-system-installers.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗