Company lists · Data refreshed September 2026
Top 25 Oil furnace manufacturers worldwide
RevenueBase identified 298 company matches for oil furnace manufacturers worldwide as of September 2026 and tracks 5,825 professional contacts across them, including 1,584 with verified work emails. The United States is the largest market and Ahmedabad the largest hub.
This list covers company matches for oil furnace manufacturers 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 September 30, 2026. Country and city lists for oil furnace manufacturers 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 oil furnace manufacturers worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 631 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 · Sep 30, 2026 · View company records in RevenueBase | |||||
| 2 | 199 contacts → | ||||
Exact match “Intergas: an introduction.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 3 | 189 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 · Sep 30, 2026 · View company records in RevenueBase | |||||
| 4 | 171 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 · Sep 30, 2026 · View company records in RevenueBase | |||||
| 5 | 126 contacts → | ||||
Exact match “Founded in 1948, LAARS serves a diverse base of customers located in many countries across the globe.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 6 | 126 contacts → | ||||
Exact match “ECR International, Inc.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 7 | 104 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 8 | 99 contacts → | ||||
Exact match “PT.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 9 | 96 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 · Sep 30, 2026 · View company records in RevenueBase | |||||
| 10 | 83 contacts → | ||||
Exact match “NTI is a manufacturer of residential and commercial heating equipment founded in Saint John, New Brunswick, Canada.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 11 | 76 contacts → | ||||
Exact match “Established in 1974, HTP Comfort Solutions LLC is a full-fledged manufacturer on the cutting edge of energy efficient space and water heating technology.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 12 | 73 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 13 | 68 contacts → | ||||
Exact match “An innovative and forward thinking force in the commercial combustion equipment industry, Power Flame Incorporated manufactures gas, oil, combination gas/oil, low NOx burners and…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 14 | 66 contacts → | ||||
Exact match “Italtherm was founded on principles of the competence and professionalism, with over 30 years of experience in the field of automatic and centralized heating systems.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 15 | 64 contacts → | ||||
Exact match “A Secamaq, sediada em Salete, estado de Santa Catarina, é precursora e estende sua gestão a um grupo de empresas, advindas da correlação de atividades em nichos de mercado, é…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 16 | 53 contacts → | ||||
Exact match “Dunphy Combustion Ltd design, manufacture, install and maintain a range of combustion equipment, digital control solutions and turnkey prefabricated, packaged boiler houses.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 17 | 47 contacts → | ||||
Exact match “Apen Group SpA, founded in 1967, is an Italian leading manufacturer of heating systems and offers a wide range of products: condensing boilers, suspended and floorstanding warm…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 18 | 45 contacts → | ||||
Exact match “For CIB Unigas, the burner is more than just a product: it is the heart of our identity and the driving force behind our commitment to innovation and excellence.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 19 | 45 contacts → | ||||
Exact match “For over 40 years, Vokèra has been a trusted name in home heating across the UK and Ireland, delivering reliable, energy efficient solutions for domestic and light commercial…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 20 | 43 contacts → | ||||
Exact match “Central Boiler is a privately held American manufacturer of outdoor furnaces.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 21 | 43 contacts → | ||||
Exact match “A Arauterm iniciou suas atividades em 11 de maio de 1988 na cidade de Cachoeirinha.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 22 | 42 contacts → | ||||
Exact match “Rock Energy Systems, LLC holds three leading brands of space heating products that include portable radiant heaters, waste oil furnaces, and boilers.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 23 | 40 contacts → | ||||
Exact match “Industrial Combustion is a leading manufacturer of burners designed for commercial, industrial, and institutional applications.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 24 | 40 contacts → | ||||
Exact match “Lochinvar designs, manufactures and distributes a comprehensive range of high efficiency gas fired water heaters and boilers for commercial and industrial applications.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 25 | 38 contacts → | ||||
Exact match “Warmflow specialise in design, manufacturing, fabrication, sub assembly and kitting solutions.” Recorded in the RevenueBase company graph · Sep 30, 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 “oil furnace manufacturers”. 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 298 oil furnace manufacturers worldwide
See the full list, filter by size, metro and specialty, and access 1,584 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Oil furnace manufacturers worldwide at a glance
As of Sep 30, 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 oil furnace manufacturers are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “oil furnace manufacturers” 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 1,584 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 September 30, 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.
Oil furnace manufacturers by location
1 lists · largest firstEvery Oil furnace manufacturers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
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 “oil furnace manufacturers”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many oil furnace manufacturers are there worldwide?
RevenueBase identified 298 company matches for oil furnace manufacturers worldwide as of September 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 oil furnace manufacturers?
The United States leads with 80 companies. Every oil furnace manufacturers list by country and city is linked on this page.
Which city has the most oil furnace manufacturers?
Ahmedabad leads with 4 company records, followed by Pune (4) and Janesville (3).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 1,584 professional contacts with verified work emails tracked across these 298 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 September 30, 2026.
Ready to reach these companies? Verified emails and direct dials for all 298 oil furnace manufacturers 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 oil furnace manufacturers worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 298 matching company records for oil furnace manufacturers worldwide, with 5,825 tracked contacts and 1,584 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: September 30, 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 oil furnace manufacturers 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 | 631 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 · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Intergas Verwarming B.Vintergas-verwarming.nl HQ: Coevorden, NetherlandsReported employees: 201-500 | Coevorden, Netherlands | 201-500 | Exact match | 199 contacts → |
“Intergas: an introduction.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Baxi Italiabaxi.itHQ: Bassano Del Grappa, ItalyReported employees: 501-1,000 | Bassano Del Grappa, Italy | 501-1,000 | Exact match | 189 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 · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Fultonfulton.com HQ: Pulaski, NY, United StatesReported employees: 501-1,000 | Pulaski, NY, United States | 501-1,000 | Exact match | 171 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 · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Laars Heating Systemslaars.com HQ: Rochester, NH, United StatesReported employees: 201-500 | Rochester, NH, United States | 201-500 | Exact match | 126 contacts → |
“Founded in 1948, LAARS serves a diverse base of customers located in many countries across the globe.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | ECR Internationalecrinternational.com HQ: Utica, United StatesReported employees: 201-500 | Utica, United States | 201-500 | Exact match | 126 contacts → |
“ECR International, Inc.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Aerco International, INCaerco.comHQ: Blauvelt, NY, United StatesReported employees: 51-200 | Blauvelt, NY, United States | 51-200 | Exact match | 104 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 8 | Pt. Basuki Pratama Engineeringbasuki.com HQ: Jakarta, IndonesiaReported employees: 1,001-5,000 | Jakarta, Indonesia | 1,001-5,000 | Exact match | 99 contacts → |
“PT.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Thermodyne Engineering Systemthermodyneboilers.com HQ: Ghaziabad, IndiaReported employees: 201-500 | Ghaziabad, India | 201-500 | Exact match | 96 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 · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | NTI Boilersntiboilers.com HQ: Saint John, NB, CanadaReported employees: 51-200 | Saint John, NB, Canada | 51-200 | Exact match | 83 contacts → |
“NTI is a manufacturer of residential and commercial heating equipment founded in Saint John, New Brunswick, Canada.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | HTP Comfort Solutionshtproducts.com HQ: New Bedford, MA, United StatesReported employees: 51-200 | New Bedford, MA, United States | 51-200 | Exact match | 76 contacts → |
“Established in 1974, HTP Comfort Solutions LLC is a full-fledged manufacturer on the cutting edge of energy efficient space and water heating technology.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Hurst Boiler & Welding Company, INChurstboiler.com HQ: Coolidge, GA, United StatesReported employees: 201-500 | Coolidge, GA, United States | 201-500 | Exact match | 73 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 13 | Power Flame Incorporatedpowerflame.com HQ: Parsons, KS, United StatesReported employees: 51-200 | Parsons, KS, United States | 51-200 | Exact match | 68 contacts → |
“An innovative and forward thinking force in the commercial combustion equipment industry, Power Flame Incorporated manufactures gas, oil, combination gas/oil, low NOx burners and…” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Italthermitaltherm.it HQ: Pontenure (pc), ItalyReported employees: 51-200 | Pontenure (pc), Italy | 51-200 | Exact match | 66 contacts → |
“Italtherm was founded on principles of the competence and professionalism, with over 30 years of experience in the field of automatic and centralized heating systems.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Secamaqsecamaq.com.br HQ: Salete, BrazilReported employees: 51-200 | Salete, Brazil | 51-200 | Exact match | 64 contacts → |
“A Secamaq, sediada em Salete, estado de Santa Catarina, é precursora e estende sua gestão a um grupo de empresas, advindas da correlação de atividades em nichos de mercado, é…” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Dunphy Combustion Limiteddunphy.co.ukHQ: Rochdale, United KingdomReported employees: 51-200 | Rochdale, United Kingdom | 51-200 | Exact match | 53 contacts → |
“Dunphy Combustion Ltd design, manufacture, install and maintain a range of combustion equipment, digital control solutions and turnkey prefabricated, packaged boiler houses.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Apen Group SPAapengroup.comHQ: Pessano Con Bornago, United StatesReported employees: 51-200 | Pessano Con Bornago, United States | 51-200 | Exact match | 47 contacts → |
“Apen Group SpA, founded in 1967, is an Italian leading manufacturer of heating systems and offers a wide range of products: condensing boilers, suspended and floorstanding warm…” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | CIB Unigas S.P.Acibunigas.com HQ: Campodarsego, ItalyReported employees: 51-200 | Campodarsego, Italy | 51-200 | Exact match | 45 contacts → |
“For CIB Unigas, the burner is more than just a product: it is the heart of our identity and the driving force behind our commitment to innovation and excellence.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Vokera By Riellovokera.co.uk HQ: Hertfordshire, United KingdomReported employees: 11-50 | Hertfordshire, United Kingdom | 11-50 | Exact match | 45 contacts → |
“For over 40 years, Vokèra has been a trusted name in home heating across the UK and Ireland, delivering reliable, energy efficient solutions for domestic and light commercial…” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Central Boiler, INCcentralboiler.com HQ: Greenbush, MN, United StatesReported employees: 51-200 | Greenbush, MN, United States | 51-200 | Exact match | 43 contacts → |
“Central Boiler is a privately held American manufacturer of outdoor furnaces.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Arautermarauterm.com.brHQ: Cachoeirinha, BrazilReported employees: 51-200 | Cachoeirinha, Brazil | 51-200 | Exact match | 43 contacts → |
“A Arauterm iniciou suas atividades em 11 de maio de 1988 na cidade de Cachoeirinha.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Rock Energy Systems LLCrockenergysystems.com HQ: Janesville, WI, United StatesReported employees: 51-200 | Janesville, WI, United States | 51-200 | Exact match | 42 contacts → |
“Rock Energy Systems, LLC holds three leading brands of space heating products that include portable radiant heaters, waste oil furnaces, and boilers.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Industrial Combustionind-comb.com HQ: Monroe, WI, United StatesReported employees: 51-200 | Monroe, WI, United States | 51-200 | Exact match | 40 contacts → |
“Industrial Combustion is a leading manufacturer of burners designed for commercial, industrial, and institutional applications.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Lochinvar, UKlochinvar.ltd.uk HQ: Banbury, United KingdomReported employees: 11-50 | Banbury, United Kingdom | 11-50 | Exact match | 40 contacts → |
“Lochinvar designs, manufactures and distributes a comprehensive range of high efficiency gas fired water heaters and boilers for commercial and industrial applications.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Warmflow Engineering Co. Limitedwarmflow.co.uk HQ: Lisburn, United KingdomReported employees: 51-200 | Lisburn, United Kingdom | 51-200 | Exact match | 38 contacts → |
“Warmflow specialise in design, manufacturing, fabrication, sub assembly and kitting solutions.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 298 company matches
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Oil furnace manufacturers: dataset insights
September 30, 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
296 records in the displayed employee bands.
2 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 298 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: September 30, 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 ↗
Oil furnace manufacturers by location
1 lists · largest firstEvery Oil furnace manufacturers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
Questions about this company list
What does Exact match mean for oil furnace manufacturers?
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 oil furnace manufacturers did RevenueBase find worldwide?
The saved snapshot records 298 matching company records, 5,825 tracked contacts and 1,584 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: September 30, 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 oil furnace manufacturers worldwide. Snapshot: September 30, 2026. https://revenuebase.ai/companies/browse/oil-furnace-manufacturers.
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 oil furnace manufacturers worldwide
RevenueBase records 298 matching company records for oil furnace manufacturers worldwide, with 5,825 tracked contacts and 1,584 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: September 30, 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 oil furnace manufacturers 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 | 631 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 · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Intergas Verwarming B.Vintergas-verwarming.nl HQ: Coevorden, NetherlandsReported employees: 201-500 | Coevorden, Netherlands | 201-500 | Exact match | 199 contacts → |
“Intergas: an introduction.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Baxi Italiabaxi.it HQ: Bassano Del Grappa, ItalyReported employees: 501-1,000 | Bassano Del Grappa, Italy | 501-1,000 | Exact match | 189 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 · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Fultonfulton.com HQ: Pulaski, NY, United StatesReported employees: 501-1,000 | Pulaski, NY, United States | 501-1,000 | Exact match | 171 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 · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Laars Heating Systemslaars.com HQ: Rochester, NH, United StatesReported employees: 201-500 | Rochester, NH, United States | 201-500 | Exact match | 126 contacts → |
“Founded in 1948, LAARS serves a diverse base of customers located in many countries across the globe.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | ECR Internationalecrinternational.com HQ: Utica, United StatesReported employees: 201-500 | Utica, United States | 201-500 | Exact match | 126 contacts → |
“ECR International, Inc.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Aerco International, INCaerco.com HQ: Blauvelt, NY, United StatesReported employees: 51-200 | Blauvelt, NY, United States | 51-200 | Exact match | 104 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 8 | Pt. Basuki Pratama Engineeringbasuki.com HQ: Jakarta, IndonesiaReported employees: 1,001-5,000 | Jakarta, Indonesia | 1,001-5,000 | Exact match | 99 contacts → |
“PT.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Thermodyne Engineering Systemthermodyneboilers.com HQ: Ghaziabad, IndiaReported employees: 201-500 | Ghaziabad, India | 201-500 | Exact match | 96 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 · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | NTI Boilersntiboilers.com HQ: Saint John, NB, CanadaReported employees: 51-200 | Saint John, NB, Canada | 51-200 | Exact match | 83 contacts → |
“NTI is a manufacturer of residential and commercial heating equipment founded in Saint John, New Brunswick, Canada.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | HTP Comfort Solutionshtproducts.com HQ: New Bedford, MA, United StatesReported employees: 51-200 | New Bedford, MA, United States | 51-200 | Exact match | 76 contacts → |
“Established in 1974, HTP Comfort Solutions LLC is a full-fledged manufacturer on the cutting edge of energy efficient space and water heating technology.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Hurst Boiler & Welding Company, INChurstboiler.com HQ: Coolidge, GA, United StatesReported employees: 201-500 | Coolidge, GA, United States | 201-500 | Exact match | 73 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 13 | Power Flame Incorporatedpowerflame.com HQ: Parsons, KS, United StatesReported employees: 51-200 | Parsons, KS, United States | 51-200 | Exact match | 68 contacts → |
“An innovative and forward thinking force in the commercial combustion equipment industry, Power Flame Incorporated manufactures gas, oil, combination gas/oil, low NOx burners and…” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Italthermitaltherm.it HQ: Pontenure (pc), ItalyReported employees: 51-200 | Pontenure (pc), Italy | 51-200 | Exact match | 66 contacts → |
“Italtherm was founded on principles of the competence and professionalism, with over 30 years of experience in the field of automatic and centralized heating systems.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Secamaqsecamaq.com.br HQ: Salete, BrazilReported employees: 51-200 | Salete, Brazil | 51-200 | Exact match | 64 contacts → |
“A Secamaq, sediada em Salete, estado de Santa Catarina, é precursora e estende sua gestão a um grupo de empresas, advindas da correlação de atividades em nichos de mercado, é…” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Dunphy Combustion Limiteddunphy.co.uk HQ: Rochdale, United KingdomReported employees: 51-200 | Rochdale, United Kingdom | 51-200 | Exact match | 53 contacts → |
“Dunphy Combustion Ltd design, manufacture, install and maintain a range of combustion equipment, digital control solutions and turnkey prefabricated, packaged boiler houses.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Apen Group SPAapengroup.com HQ: Pessano Con Bornago, United StatesReported employees: 51-200 | Pessano Con Bornago, United States | 51-200 | Exact match | 47 contacts → |
“Apen Group SpA, founded in 1967, is an Italian leading manufacturer of heating systems and offers a wide range of products: condensing boilers, suspended and floorstanding warm…” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | CIB Unigas S.P.Acibunigas.com HQ: Campodarsego, ItalyReported employees: 51-200 | Campodarsego, Italy | 51-200 | Exact match | 45 contacts → |
“For CIB Unigas, the burner is more than just a product: it is the heart of our identity and the driving force behind our commitment to innovation and excellence.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Vokera By Riellovokera.co.uk HQ: Hertfordshire, United KingdomReported employees: 11-50 | Hertfordshire, United Kingdom | 11-50 | Exact match | 45 contacts → |
“For over 40 years, Vokèra has been a trusted name in home heating across the UK and Ireland, delivering reliable, energy efficient solutions for domestic and light commercial…” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Central Boiler, INCcentralboiler.com HQ: Greenbush, MN, United StatesReported employees: 51-200 | Greenbush, MN, United States | 51-200 | Exact match | 43 contacts → |
“Central Boiler is a privately held American manufacturer of outdoor furnaces.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Arautermarauterm.com.br HQ: Cachoeirinha, BrazilReported employees: 51-200 | Cachoeirinha, Brazil | 51-200 | Exact match | 43 contacts → |
“A Arauterm iniciou suas atividades em 11 de maio de 1988 na cidade de Cachoeirinha.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Rock Energy Systems LLCrockenergysystems.com HQ: Janesville, WI, United StatesReported employees: 51-200 | Janesville, WI, United States | 51-200 | Exact match | 42 contacts → |
“Rock Energy Systems, LLC holds three leading brands of space heating products that include portable radiant heaters, waste oil furnaces, and boilers.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Industrial Combustionind-comb.com HQ: Monroe, WI, United StatesReported employees: 51-200 | Monroe, WI, United States | 51-200 | Exact match | 40 contacts → |
“Industrial Combustion is a leading manufacturer of burners designed for commercial, industrial, and institutional applications.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Lochinvar, UKlochinvar.ltd.uk HQ: Banbury, United KingdomReported employees: 11-50 | Banbury, United Kingdom | 11-50 | Exact match | 40 contacts → |
“Lochinvar designs, manufactures and distributes a comprehensive range of high efficiency gas fired water heaters and boilers for commercial and industrial applications.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Warmflow Engineering Co. Limitedwarmflow.co.uk HQ: Lisburn, United KingdomReported employees: 51-200 | Lisburn, United Kingdom | 51-200 | Exact match | 38 contacts → |
“Warmflow specialise in design, manufacturing, fabrication, sub assembly and kitting solutions.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 298 company matches
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Oil furnace manufacturers: dataset insights
September 30, 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
296 records in the displayed employee bands.
2 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 298 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: September 30, 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 ↗
Oil furnace manufacturers by location
1 lists · largest firstEvery Oil furnace manufacturers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
Questions about this company list
What does Exact match mean for oil furnace manufacturers?
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 oil furnace manufacturers did RevenueBase find worldwide?
The saved snapshot records 298 matching company records, 5,825 tracked contacts and 1,584 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: September 30, 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 oil furnace manufacturers worldwide. Snapshot: September 30, 2026. https://revenuebase.ai/companies/browse/oil-furnace-manufacturers.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗