Company lists · Data refreshed October 2026
Top 25 Gas & oil combined furnaces suppliers worldwide
RevenueBase identified 905 company matches for gas & oil combined furnaces suppliers worldwide as of October 2026 and tracks 5,304 professional contacts across them, including 1,189 with verified work emails. The United States is the largest market and Portland the largest hub.
This list covers company matches for gas & oil combined furnaces suppliers worldwide, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed October 26, 2026. Country and city lists for gas & oil combined furnaces suppliers 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 gas & oil combined furnaces suppliers worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 193 contacts → | ||||
Exact match “R.F.” Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase | |||||
| 2 | 93 contacts → | ||||
Exact match “Founded in 1977, C&C Boiler Sales & Service, Inc.” Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase | |||||
| 3 | 78 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 · Oct 26, 2026 · View company records in RevenueBase | |||||
| 4 | 76 contacts → | ||||
Exact match “Furnace Solutions is the global choice in furnace rebuilds, replacement, and maintenance.” Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase | |||||
| 5 | 64 contacts → | ||||
Exact match “Since 1987, Brennan Heating & Air Conditioning has served tens of thousands of satisfied customers throughout the Puget Sound region.” Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase | |||||
| 6 | 58 contacts → | ||||
Exact match “Since 1964, Cole Industrial has been the Northwest's leading provider of new, used and rental boiler equipment for the process and comfort heating needs of nearly every industry…” Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase | |||||
| 7 | 50 contacts → | ||||
Exact match “Rhoads Energy has built a lifetime of relationships with our customers since 1917.” Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase | |||||
| 8 | 47 contacts → | ||||
Exact match “Townsend is a fourth generation family owned and operated business, servicing residential and commercial customers in Massachusetts, New Hampshire, and Maine.” Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase | |||||
| 9 | 47 contacts → | ||||
Exact match “Since being founded in 1976, Bay City Boiler has grown to become the largest provider of commercial and industrial boiler service and sales in Northern California.” Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase | |||||
| 10 | 43 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase | |||||
| 11 | 42 contacts → | ||||
Exact match “The Premiere Fireplace Store Welcome to Fireplace Warehouse ETC, – Providing Alternate Home Heating Solutions Since 1998 Whether you’re looking to augment your home’s heat sources…” Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase | |||||
| 12 | 35 contacts → | ||||
Exact match “Voor al uw wensen op het gebied van verwarming en warmwater bent u bij ons aan het juiste adres!” Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase | |||||
| 13 | 33 contacts → | ||||
Exact match “Rymes Propane & Oil is a family owned company that has been providing full-service delivery of propane gas and heating oils to customers throughout New Hampshire and the…” Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase | |||||
| 14 | 32 contacts → | ||||
Exact match “Power Equipment Company (Power Equipment of Memphis) specializes in energy systems and heat generating products, providing the knowledge, products, services and supplies necessary…” Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase | |||||
| 15 | 31 contacts → | ||||
Exact match “Celebrating 75 years in service in 2026!” Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase | |||||
| 16 | 29 contacts → | ||||
Exact match “Sinds 1955 vertegenwoordigt Monarch de fabrikant Weishaupt GmbH.” Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase | |||||
| 17 | 29 contacts → | ||||
Exact match “MacFarlane Energy's goal is to build long-term relationships with customers who want outstanding customer service and fair treatment.” Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase | |||||
| 18 | 29 contacts → | ||||
Exact match “As a market leader in providing energy efficient heating and ventilation solutions, Johnson & Starley has an impressive portfolio of products.” Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase | |||||
| 19 | 28 contacts → | ||||
Exact match “Martino Contractors is a family owned company that supplies and installs residential HVAC equipment for new homes and retrofit applications.” Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase | |||||
| 20 | 28 contacts → | ||||
Exact match “Founded in 1949, Gas-Fired Products, Inc.(GFP) currently manufactures and markets a wide variety of gas-fired heating products from its facilities in both the U.S.” Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase | |||||
| 21 | 28 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase | |||||
| 22 | 27 contacts → | ||||
Exact match “Combustion Technology is the Market leader in Oil and Gas Burners and Boiler installations, sales and service in the Southern Hemisphere.” Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase | |||||
| 23 | 27 contacts → | ||||
Exact match “Wayne Combustion Systems is a manufacturer of power gas and oil fired burners for commercial and residential applications requiring high quality and reliable power burners.” Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase | |||||
| 24 | 26 contacts → | ||||
Exact match “Sunset Heating & Cooling is a family-owned company that has provided Portland residents the very best HVAC service and products since 1922.” Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase | |||||
| 25 | 26 contacts → | ||||
Exact match “Alliance Climate Control is dedicated to your year round comfort and life style.” Recorded in the RevenueBase company graph · Oct 26, 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 “gas & oil combined furnaces suppliers”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 905 gas & oil combined furnaces suppliers worldwide
See the full list, filter by size, metro and specialty, and access 1,189 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Gas & oil combined furnaces suppliers worldwide at a glance
As of Oct 26, 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 gas & oil combined furnaces suppliers are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “gas & oil combined furnaces suppliers” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
- RevenueBase SmartSearch
- Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
- Public preview
- The public preview omits records without a verified work email. 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 1,189 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on October 26, 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.
Gas & oil combined furnaces suppliers by location
3 lists · largest firstEvery Gas & oil combined furnaces suppliers 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 “gas & oil combined furnaces suppliers”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many gas & oil combined furnaces suppliers are there worldwide?
RevenueBase identified 905 company matches for gas & oil combined furnaces suppliers worldwide as of October 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
R.F. Macdonald CO tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most gas & oil combined furnaces suppliers?
The United States leads with 392 companies, followed by Canada (125) and the United Kingdom (37). Every gas & oil combined furnaces suppliers list by country and city is linked on this page.
Which city has the most gas & oil combined furnaces suppliers?
Portland leads with 6 company records, followed by Bronx (5) and Calgary (5).
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 1,189 professional contacts with verified work emails tracked across these 905 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on October 26, 2026.
Ready to reach these companies? Verified emails and direct dials for all 905 gas & oil combined furnaces suppliers 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 gas & oil combined furnaces suppliers worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 905 matching company records for gas & oil combined furnaces suppliers worldwide, with 5,304 tracked contacts and 1,189 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 26, 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 gas & oil combined furnaces suppliers 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 | R.F. Macdonald COrfmacdonald.com HQ: Hayward, CA, United StatesReported employees: 201-500 | Hayward, CA, United States | 201-500 | Exact match | 193 contacts → |
“R.F.” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | C&c Boiler Sales & Service, INCccboiler.com HQ: Charlotte, NC, United StatesReported employees: 51-200 | Charlotte, NC, United States | 51-200 | Exact match | 93 contacts → |
“Founded in 1977, C&C Boiler Sales & Service, Inc.” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | NTI Boilersntiboilers.com HQ: Saint John, NB, CanadaReported employees: 51-200 | Saint John, NB, Canada | 51-200 | Exact match | 78 contacts → |
“NTI is a manufacturer of residential and commercial heating equipment founded in Saint John, New Brunswick, Canada.” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Furnace Solutionsglobalfurnace.solutionsHQ: Bassendean, AustraliaReported employees: 201-500 | Bassendean, Australia | 201-500 | Exact match | 76 contacts → |
“Furnace Solutions is the global choice in furnace rebuilds, replacement, and maintenance.” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Brennan Heating & AIR Conditioningbrennanheating.comHQ: Seattle, WA, United StatesReported employees: 201-500 | Seattle, WA, United States | 201-500 | Exact match | 64 contacts → |
“Since 1987, Brennan Heating & Air Conditioning has served tens of thousands of satisfied customers throughout the Puget Sound region.” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Cole Industrial, INCcoleindust.com HQ: Mountlake Terrace, WA, United StatesReported employees: 51-200 | Mountlake Terrace, WA, United States | 51-200 | Exact match | 58 contacts → |
“Since 1964, Cole Industrial has been the Northwest's leading provider of new, used and rental boiler equipment for the process and comfort heating needs of nearly every industry…” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Rhoads Energy And Rhoads AIRrhoadsenergy.comHQ: Lancaster, PA, United StatesReported employees: 51-200 | Lancaster, PA, United States | 51-200 | Exact match | 50 contacts → |
“Rhoads Energy has built a lifetime of relationships with our customers since 1917.” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Townsendtownsendtotalenergy.com HQ: Danvers, MA, United StatesReported employees: 51-200 | Danvers, MA, United States | 51-200 | Exact match | 47 contacts → |
“Townsend is a fourth generation family owned and operated business, servicing residential and commercial customers in Massachusetts, New Hampshire, and Maine.” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  BAY City Boilerbaycityboiler.comHQ: Hayward, CA, United StatesReported employees: 11-50 | Hayward, CA, United States | 11-50 | Exact match | 47 contacts → |
“Since being founded in 1976, Bay City Boiler has grown to become the largest provider of commercial and industrial boiler service and sales in Northern California.” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Greens Energy Services, INCgreensenergy.comHQ: Orlando, FL, United StatesReported employees: 51-200 | Orlando, FL, United States | 51-200 | Exact match | 43 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 11 | Fireplace Warehousefpwhs.com HQ: Denver, CO, United StatesReported employees: 51-200 | Denver, CO, United States | 51-200 | Exact match | 42 contacts → |
“The Premiere Fireplace Store Welcome to Fireplace Warehouse ETC, – Providing Alternate Home Heating Solutions Since 1998 Whether you’re looking to augment your home’s heat sources…” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Gasservice Noordhollandgasservice-nh.nl HQ: Purmerend, NetherlandsReported employees: 51-200 | Purmerend, Netherlands | 51-200 | Exact match | 35 contacts → |
“Voor al uw wensen op het gebied van verwarming en warmwater bent u bij ons aan het juiste adres!” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Rymes Propane & OILrymes.com HQ: Pembroke, NH, United StatesReported employees: 51-200 | Pembroke, NH, United States | 51-200 | Exact match | 33 contacts → |
“Rymes Propane & Oil is a family owned company that has been providing full-service delivery of propane gas and heating oils to customers throughout New Hampshire and the…” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Power Equipment Company Of Memphispowereq.comHQ: Memphis, TN, United StatesReported employees: 11-50 | Memphis, TN, United States | 11-50 | Exact match | 32 contacts → |
“Power Equipment Company (Power Equipment of Memphis) specializes in energy systems and heat generating products, providing the knowledge, products, services and supplies necessary…” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | The Wilkinson Companiesgtwilkinson.com HQ: Rockland, MA, United StatesReported employees: 51-200 | Rockland, MA, United States | 51-200 | Exact match | 31 contacts → |
“Celebrating 75 years in service in 2026!” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Monarch Nederland BVmonarch.nl HQ: Diemen, NetherlandsReported employees: 11-50 | Diemen, Netherlands | 11-50 | Exact match | 29 contacts → |
“Sinds 1955 vertegenwoordigt Monarch de fabrikant Weishaupt GmbH.” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Macfarlane Energymacfarlaneenergy.com HQ: Dedham, MA, United StatesReported employees: 51-200 | Dedham, MA, United States | 51-200 | Exact match | 29 contacts → |
“MacFarlane Energy's goal is to build long-term relationships with customers who want outstanding customer service and fair treatment.” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Johnson & Starley LTDjohnsonandstarley.co.uk HQ: Northampton, United KingdomReported employees: 51-200 | Northampton, United Kingdom | 51-200 | Exact match | 29 contacts → |
“As a market leader in providing energy efficient heating and ventilation solutions, Johnson & Starley has an impressive portfolio of products.” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Martino Contractorsmartinohvac.com HQ: CanadaReported employees: 11-50 | Canada | 11-50 | Exact match | 28 contacts → |
“Martino Contractors is a family owned company that supplies and installs residential HVAC equipment for new homes and retrofit applications.” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Gas-Fired Products INCgasfiredproducts.com HQ: Charlotte, NC, United StatesReported employees: 51-200 | Charlotte, NC, United States | 51-200 | Exact match | 28 contacts → |
“Founded in 1949, Gas-Fired Products, Inc.(GFP) currently manufactures and markets a wide variety of gas-fired heating products from its facilities in both the U.S.” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Adolf Roth Gmbh & Co. KGroth-energie.de HQ: Gießen, GermanyReported employees: 51-200 | Gießen, Germany | 51-200 | Exact match | 28 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 22 | Combustion Technology PTY LTDcombustiontechnology.co.za HQ: Cape Town, South AfricaReported employees: 11-50 | Cape Town, South Africa | 11-50 | Exact match | 27 contacts → |
“Combustion Technology is the Market leader in Oil and Gas Burners and Boiler installations, sales and service in the Southern Hemisphere.” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Wayne Combustion Systemswaynecombustion.com HQ: Fort Wayne, IN, United StatesReported employees: 51-200 | Fort Wayne, IN, United States | 51-200 | Exact match | 27 contacts → |
“Wayne Combustion Systems is a manufacturer of power gas and oil fired burners for commercial and residential applications requiring high quality and reliable power burners.” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Sunset Heating & Cooling Electricalsunsethc.comHQ: Portland, OR, United StatesReported employees: 11-50 | Portland, OR, United States | 11-50 | Exact match | 26 contacts → |
“Sunset Heating & Cooling is a family-owned company that has provided Portland residents the very best HVAC service and products since 1922.” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Alliance Climate Controlalliancecc.com.auHQ: Alexandria, AustraliaReported employees: 51-200 | Alexandria, Australia | 51-200 | Exact match | 26 contacts → |
“Alliance Climate Control is dedicated to your year round comfort and life style.” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 905 company matches
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Gas & oil combined furnaces suppliers: dataset insights
October 26, 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
887 records in the displayed employee bands.
18 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 905 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: October 26, 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 ↗
Gas & oil combined furnaces suppliers by location
3 lists · largest firstEvery Gas & oil combined furnaces suppliers 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 gas & oil combined furnaces suppliers?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many gas & oil combined furnaces suppliers did RevenueBase find worldwide?
The saved snapshot records 905 matching company records, 5,304 tracked contacts and 1,189 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: October 26, 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 gas & oil combined furnaces suppliers worldwide. Snapshot: October 26, 2026. https://revenuebase.ai/companies/browse/gas-oil-combined-furnaces-suppliers.
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 gas & oil combined furnaces suppliers worldwide
RevenueBase records 905 matching company records for gas & oil combined furnaces suppliers worldwide, with 5,304 tracked contacts and 1,189 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 26, 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 gas & oil combined furnaces suppliers 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 | R.F. Macdonald COrfmacdonald.com HQ: Hayward, CA, United StatesReported employees: 201-500 | Hayward, CA, United States | 201-500 | Exact match | 193 contacts → |
“R.F.” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | C&c Boiler Sales & Service, INCccboiler.com HQ: Charlotte, NC, United StatesReported employees: 51-200 | Charlotte, NC, United States | 51-200 | Exact match | 93 contacts → |
“Founded in 1977, C&C Boiler Sales & Service, Inc.” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | NTI Boilersntiboilers.com HQ: Saint John, NB, CanadaReported employees: 51-200 | Saint John, NB, Canada | 51-200 | Exact match | 78 contacts → |
“NTI is a manufacturer of residential and commercial heating equipment founded in Saint John, New Brunswick, Canada.” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Furnace Solutionsglobalfurnace.solutions HQ: Bassendean, AustraliaReported employees: 201-500 | Bassendean, Australia | 201-500 | Exact match | 76 contacts → |
“Furnace Solutions is the global choice in furnace rebuilds, replacement, and maintenance.” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Brennan Heating & AIR Conditioningbrennanheating.com HQ: Seattle, WA, United StatesReported employees: 201-500 | Seattle, WA, United States | 201-500 | Exact match | 64 contacts → |
“Since 1987, Brennan Heating & Air Conditioning has served tens of thousands of satisfied customers throughout the Puget Sound region.” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Cole Industrial, INCcoleindust.com HQ: Mountlake Terrace, WA, United StatesReported employees: 51-200 | Mountlake Terrace, WA, United States | 51-200 | Exact match | 58 contacts → |
“Since 1964, Cole Industrial has been the Northwest's leading provider of new, used and rental boiler equipment for the process and comfort heating needs of nearly every industry…” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Rhoads Energy And Rhoads AIRrhoadsenergy.com HQ: Lancaster, PA, United StatesReported employees: 51-200 | Lancaster, PA, United States | 51-200 | Exact match | 50 contacts → |
“Rhoads Energy has built a lifetime of relationships with our customers since 1917.” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Townsendtownsendtotalenergy.com HQ: Danvers, MA, United StatesReported employees: 51-200 | Danvers, MA, United States | 51-200 | Exact match | 47 contacts → |
“Townsend is a fourth generation family owned and operated business, servicing residential and commercial customers in Massachusetts, New Hampshire, and Maine.” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | BAY City Boilerbaycityboiler.com HQ: Hayward, CA, United StatesReported employees: 11-50 | Hayward, CA, United States | 11-50 | Exact match | 47 contacts → |
“Since being founded in 1976, Bay City Boiler has grown to become the largest provider of commercial and industrial boiler service and sales in Northern California.” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Greens Energy Services, INCgreensenergy.com HQ: Orlando, FL, United StatesReported employees: 51-200 | Orlando, FL, United States | 51-200 | Exact match | 43 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 11 | Fireplace Warehousefpwhs.com HQ: Denver, CO, United StatesReported employees: 51-200 | Denver, CO, United States | 51-200 | Exact match | 42 contacts → |
“The Premiere Fireplace Store Welcome to Fireplace Warehouse ETC, – Providing Alternate Home Heating Solutions Since 1998 Whether you’re looking to augment your home’s heat sources…” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Gasservice Noordhollandgasservice-nh.nl HQ: Purmerend, NetherlandsReported employees: 51-200 | Purmerend, Netherlands | 51-200 | Exact match | 35 contacts → |
“Voor al uw wensen op het gebied van verwarming en warmwater bent u bij ons aan het juiste adres!” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Rymes Propane & OILrymes.com HQ: Pembroke, NH, United StatesReported employees: 51-200 | Pembroke, NH, United States | 51-200 | Exact match | 33 contacts → |
“Rymes Propane & Oil is a family owned company that has been providing full-service delivery of propane gas and heating oils to customers throughout New Hampshire and the…” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Power Equipment Company Of Memphispowereq.com HQ: Memphis, TN, United StatesReported employees: 11-50 | Memphis, TN, United States | 11-50 | Exact match | 32 contacts → |
“Power Equipment Company (Power Equipment of Memphis) specializes in energy systems and heat generating products, providing the knowledge, products, services and supplies necessary…” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | The Wilkinson Companiesgtwilkinson.com HQ: Rockland, MA, United StatesReported employees: 51-200 | Rockland, MA, United States | 51-200 | Exact match | 31 contacts → |
“Celebrating 75 years in service in 2026!” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Monarch Nederland BVmonarch.nl HQ: Diemen, NetherlandsReported employees: 11-50 | Diemen, Netherlands | 11-50 | Exact match | 29 contacts → |
“Sinds 1955 vertegenwoordigt Monarch de fabrikant Weishaupt GmbH.” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Macfarlane Energymacfarlaneenergy.com HQ: Dedham, MA, United StatesReported employees: 51-200 | Dedham, MA, United States | 51-200 | Exact match | 29 contacts → |
“MacFarlane Energy's goal is to build long-term relationships with customers who want outstanding customer service and fair treatment.” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Johnson & Starley LTDjohnsonandstarley.co.uk HQ: Northampton, United KingdomReported employees: 51-200 | Northampton, United Kingdom | 51-200 | Exact match | 29 contacts → |
“As a market leader in providing energy efficient heating and ventilation solutions, Johnson & Starley has an impressive portfolio of products.” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Martino Contractorsmartinohvac.com HQ: CanadaReported employees: 11-50 | Canada | 11-50 | Exact match | 28 contacts → |
“Martino Contractors is a family owned company that supplies and installs residential HVAC equipment for new homes and retrofit applications.” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Gas-Fired Products INCgasfiredproducts.com HQ: Charlotte, NC, United StatesReported employees: 51-200 | Charlotte, NC, United States | 51-200 | Exact match | 28 contacts → |
“Founded in 1949, Gas-Fired Products, Inc.(GFP) currently manufactures and markets a wide variety of gas-fired heating products from its facilities in both the U.S.” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Adolf Roth Gmbh & Co. KGroth-energie.de HQ: Gießen, GermanyReported employees: 51-200 | Gießen, Germany | 51-200 | Exact match | 28 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 22 | Combustion Technology PTY LTDcombustiontechnology.co.za HQ: Cape Town, South AfricaReported employees: 11-50 | Cape Town, South Africa | 11-50 | Exact match | 27 contacts → |
“Combustion Technology is the Market leader in Oil and Gas Burners and Boiler installations, sales and service in the Southern Hemisphere.” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Wayne Combustion Systemswaynecombustion.com HQ: Fort Wayne, IN, United StatesReported employees: 51-200 | Fort Wayne, IN, United States | 51-200 | Exact match | 27 contacts → |
“Wayne Combustion Systems is a manufacturer of power gas and oil fired burners for commercial and residential applications requiring high quality and reliable power burners.” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Sunset Heating & Cooling Electricalsunsethc.com HQ: Portland, OR, United StatesReported employees: 11-50 | Portland, OR, United States | 11-50 | Exact match | 26 contacts → |
“Sunset Heating & Cooling is a family-owned company that has provided Portland residents the very best HVAC service and products since 1922.” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Alliance Climate Controlalliancecc.com.au HQ: Alexandria, AustraliaReported employees: 51-200 | Alexandria, Australia | 51-200 | Exact match | 26 contacts → |
“Alliance Climate Control is dedicated to your year round comfort and life style.” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 905 company matches
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Gas & oil combined furnaces suppliers: dataset insights
October 26, 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
887 records in the displayed employee bands.
18 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 905 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: October 26, 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 ↗
Gas & oil combined furnaces suppliers by location
3 lists · largest firstEvery Gas & oil combined furnaces suppliers 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 gas & oil combined furnaces suppliers?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many gas & oil combined furnaces suppliers did RevenueBase find worldwide?
The saved snapshot records 905 matching company records, 5,304 tracked contacts and 1,189 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: October 26, 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
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Cite this list
RevenueBase Data Team. Top 25 gas & oil combined furnaces suppliers worldwide. Snapshot: October 26, 2026. https://revenuebase.ai/companies/browse/gas-oil-combined-furnaces-suppliers.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗