Company lists · Data refreshed October 2026
Top 25 In-line water heaters suppliers worldwide
RevenueBase identified 425 company matches for in-line water heaters suppliers worldwide as of October 2026 and tracks 21,472 professional contacts across them, including 2,086 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.
This list covers company matches for in-line water heaters 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 in-line water heaters 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 in-line water heaters suppliers worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 15,417 contacts → | ||||
Exact match “Celebrating its 150th year of business, A.” Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase | |||||
| 2 | 703 contacts → | ||||
Exact match “Bradford White Corporation is an American-owned, full-line manufacturer of residential, commercial, and industrial products for water heating, space heating, combination heating…” Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase | |||||
| 3 | 346 contacts → | ||||
Exact match “Lochinvar, LLC is a leading manufacturer of high-efficiency water heaters, boilers, pool heaters and custom pre-piped packaged systems.” Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase | |||||
| 4 | 213 contacts → | ||||
Exact match “Your comfort your way.” Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase | |||||
| 5 | 185 contacts → | ||||
Exact match “TESY Ltd.” Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase | |||||
| 6 | 132 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 · Oct 26, 2026 · View company records in RevenueBase | |||||
| 7 | 105 contacts → | ||||
Exact match “Founded at the beginning of the 1950s, Thermowatt soon became the leading manufacturer of tubular heating elements and thermostats for water heaters.” Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase | |||||
| 8 | 79 contacts → | ||||
Exact match “Noritz America Corporation, a subsidiary of Noritz Japan, has corporate offices in Fountain Valley, Calif, and Atlanta, offering a full line of tankless water heaters to meet the…” Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase | |||||
| 9 | 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 · Oct 26, 2026 · View company records in RevenueBase | |||||
| 10 | 75 contacts → | ||||
Exact match “Manufacturer of heaters, tanks and related products for a wide variety of industries.” Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase | |||||
| 11 | 74 contacts → | ||||
Exact match “HydroSolution fut créée par Hydro-Québec en 1958 dans le but de promouvoir l’utilisation de l’électricité partout au Québec par le biais d’un service de location de chauffe-eau…” Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase | |||||
| 12 | 60 contacts → | ||||
Exact match “OSO Hotwater is Europe’s largest manufacturer of stainless steel water heaters and a recognized global technology leader, known for quality, reliability, and environmentally…” Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase | |||||
| 13 | 60 contacts → | ||||
Exact match “METRO THERM leverer det varme vand til hele Danmark – gennem vandvarmere, fjernvarmeunits og varmepumper.” Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase | |||||
| 14 | 55 contacts → | ||||
Exact match “OGI (Oil, Gas, and Industrial) Process Equipment designs, manufactures, sells, and services TERI brand indirect fired water bath heaters and QuikWater® brand direct fired water…” Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase | |||||
| 15 | 51 contacts → | ||||
Exact match “Eemax is leading the evolution of hot water with cutting-edge technology that provides consistent hot water.” Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase | |||||
| 16 | 49 contacts → | ||||
Exact match “Høiax was established in 1927 and is Norway’s oldest and a leading manufacturer of high quality water heaters.” Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase | |||||
| 17 | 49 contacts → | ||||
Exact match “Hamworthy Heating is a British manufacturer and supplier of commercial heating and hot water products.” Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase | |||||
| 18 | 49 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase | |||||
| 19 | 46 contacts → | ||||
Exact match “DOMOTEC AG ist seit 1976 als innovatives Unternehmen im Bereich «Haustechnik» tätig.” Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase | |||||
| 20 | 43 contacts → | ||||
Exact match “IBC produces a full range of hydronic heating solutions for both residential and commercial use across North America.” Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase | |||||
| 21 | 41 contacts → | ||||
Exact match “Wattco™ manufactures a complete line of flange heaters, circulation heaters, tubular heaters, and immersion heating elements for a wide variety of industrial and commercial…” Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase | |||||
| 22 | 40 contacts → | ||||
Exact match “Hubbell delivers standard and custom water heating solutions across commercial, marine/offshore, foodservice, and industrial spaces.” Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase | |||||
| 23 | 40 contacts → | ||||
Exact match “Rheem has been a trusted name in New Zealand since the company was formed in 1958.” Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase | |||||
| 24 | 36 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 · Oct 26, 2026 · View company records in RevenueBase | |||||
| 25 | 35 contacts → | ||||
Exact match “Triangle Tube heating and hot water products have created comfort to families for over 60 years.” 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 “in-line water heaters 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 425 in-line water heaters suppliers worldwide
See the full list, filter by size, metro and specialty, and access 2,086 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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In-line water heaters 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 in-line water heaters suppliers are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “in-line water heaters 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 2,086 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.
In-line water heaters suppliers by location
1 lists · largest firstEvery In-line water heaters 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 “in-line water heaters suppliers”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many in-line water heaters suppliers are there worldwide?
RevenueBase identified 425 company matches for in-line water heaters 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?
A. O. Smith Corporation tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most in-line water heaters suppliers?
The United States leads with 121 companies. Every in-line water heaters suppliers list by country and city is linked on this page.
Which city has the most in-line water heaters suppliers?
Sao Paulo leads with 13 company records, followed by Curitiba (7) and Bangalore (4).
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 2,086 professional contacts with verified work emails tracked across these 425 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 425 in-line water heaters 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 in-line water heaters 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 425 matching company records for in-line water heaters suppliers worldwide, with 21,472 tracked contacts and 2,086 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 in-line water heaters 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 |  A. O. Smith Corporationaosmith.comHQ: Milwaukee, WI, United StatesReported employees: 10001+ | Milwaukee, WI, United States | 10001+ | Exact match | 15,417 contacts → |
“Celebrating its 150th year of business, A.” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Bradford Whitebradfordwhitecorporation.com HQ: Ambler, PA, United StatesReported employees: 1,001-5,000 | Ambler, PA, United States | 1,001-5,000 | Exact match | 703 contacts → |
“Bradford White Corporation is an American-owned, full-line manufacturer of residential, commercial, and industrial products for water heating, space heating, combination heating…” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Lochinvar, LLClochinvar.com HQ: Lebanon, TN, IndiaReported employees: 201-500 | Lebanon, TN, India | 201-500 | Exact match | 346 contacts → |
“Lochinvar, LLC is a leading manufacturer of high-efficiency water heaters, boilers, pool heaters and custom pre-piped packaged systems.” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Racoldracold.com HQ: Pune, IndiaReported employees: 501-1,000 | Pune, India | 501-1,000 | Exact match | 213 contacts → |
“Your comfort your way.” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | TESYtesy.com HQ: Sofia, BulgariaReported employees: 501-1,000 | Sofia, Bulgaria | 501-1,000 | Exact match | 185 contacts → |
“TESY Ltd.” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Laars Heating Systemslaars.com HQ: Rochester, NH, United StatesReported employees: 201-500 | Rochester, NH, United States | 201-500 | Exact match | 132 contacts → |
“Founded in 1948, LAARS serves a diverse base of customers located in many countries across the globe.” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Thermowattthermowatt.com HQ: Arcevia, ItalyReported employees: 501-1,000 | Arcevia, Italy | 501-1,000 | Exact match | 105 contacts → |
“Founded at the beginning of the 1950s, Thermowatt soon became the leading manufacturer of tubular heating elements and thermostats for water heaters.” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Noritz Americanoritz.com HQ: Fountain Valley, CA, United StatesReported employees: 51-200 | Fountain Valley, CA, United States | 51-200 | Exact match | 79 contacts → |
“Noritz America Corporation, a subsidiary of Noritz Japan, has corporate offices in Fountain Valley, Calif, and Atlanta, offering a full line of tankless water heaters to meet the…” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | 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 · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Heatec, An Astec Brandastecindustries.comHQ: Chattanooga, TN, United StatesReported employees: 201-500 | Chattanooga, TN, United States | 201-500 | Exact match | 75 contacts → |
“Manufacturer of heaters, tanks and related products for a wide variety of industries.” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Hydrosolutionhydrosolution.com HQ: Anjou, QC, CanadaReported employees: 51-200 | Anjou, QC, Canada | 51-200 | Exact match | 74 contacts → |
“HydroSolution fut créée par Hydro-Québec en 1958 dans le but de promouvoir l’utilisation de l’électricité partout au Québec par le biais d’un service de location de chauffe-eau…” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | OSO Hotwater Norgeosohotwater.com HQ: Hokksund, NorwayReported employees: 51-200 | Hokksund, Norway | 51-200 | Exact match | 60 contacts → |
“OSO Hotwater is Europe’s largest manufacturer of stainless steel water heaters and a recognized global technology leader, known for quality, reliability, and environmentally…” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Metro Therm A Smetrotherm.dk HQ: Helsinge, DenmarkReported employees: 201-500 | Helsinge, Denmark | 201-500 | Exact match | 60 contacts → |
“METRO THERM leverer det varme vand til hele Danmark – gennem vandvarmere, fjernvarmeunits og varmepumper.” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | OGI Process Equipmentogipe.com HQ: Sand Springs, OK, United StatesReported employees: 51-200 | Sand Springs, OK, United States | 51-200 | Exact match | 55 contacts → |
“OGI (Oil, Gas, and Industrial) Process Equipment designs, manufactures, sells, and services TERI brand indirect fired water bath heaters and QuikWater® brand direct fired water…” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Eemax, Inc. A Rheem Companyeemax.com HQ: Waterbury, CT, United StatesReported employees: 51-200 | Waterbury, CT, United States | 51-200 | Exact match | 51 contacts → |
“Eemax is leading the evolution of hot water with cutting-edge technology that provides consistent hot water.” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Høiax AShoiax.no HQ: Fredrikstad, NorwayReported employees: 51-200 | Fredrikstad, Norway | 51-200 | Exact match | 49 contacts → |
“Høiax was established in 1927 and is Norway’s oldest and a leading manufacturer of high quality water heaters.” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Hamworthy Heating LTDhamworthy-heating.com HQ: Hull, United KingdomReported employees: 51-200 | Hull, United Kingdom | 51-200 | Exact match | 49 contacts → |
“Hamworthy Heating is a British manufacturer and supplier of commercial heating and hot water products.” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Rheem S.Arheem.com.ar HQ: ArgentinaReported employees: 51-200 | Argentina | 51-200 | Exact match | 49 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 19 | Domotec AGdomotec.ch HQ: Aarburg, SwitzerlandReported employees: 51-200 | Aarburg, Switzerland | 51-200 | Exact match | 46 contacts → |
“DOMOTEC AG ist seit 1976 als innovatives Unternehmen im Bereich «Haustechnik» tätig.” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | IBC Technologies Canadaibcboiler.com HQ: Burnaby, BC, CanadaReported employees: 51-200 | Burnaby, BC, Canada | 51-200 | Exact match | 43 contacts → |
“IBC produces a full range of hydronic heating solutions for both residential and commercial use across North America.” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Wattcowattco.com HQ: Lachine, QC, CanadaReported employees: 51-200 | Lachine, QC, Canada | 51-200 | Exact match | 41 contacts → |
“Wattco™ manufactures a complete line of flange heaters, circulation heaters, tubular heaters, and immersion heating elements for a wide variety of industrial and commercial…” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Hubbell Heatershubbellheaters.com HQ: Stratford, CT, United StatesReported employees: 51-200 | Stratford, CT, United States | 51-200 | Exact match | 40 contacts → |
“Hubbell delivers standard and custom water heating solutions across commercial, marine/offshore, foodservice, and industrial spaces.” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Rheem NEW Zealandrheem.co.nz HQ: Auckland, New ZealandReported employees: 51-200 | Auckland, New Zealand | 51-200 | Exact match | 40 contacts → |
“Rheem has been a trusted name in New Zealand since the company was formed in 1958.” Recorded description excerpt · October 26, 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 | 36 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 · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Triangle Tubetriangletube.com HQ: West Deptford Township, NJ, United StatesReported employees: 11-50 | West Deptford Township, NJ, United States | 11-50 | Exact match | 35 contacts → |
“Triangle Tube heating and hot water products have created comfort to families for over 60 years.” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 425 company matches
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In-line water heaters 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
416 records in the displayed employee bands.
9 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 425 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 ↗
In-line water heaters suppliers by location
1 lists · largest firstEvery In-line water heaters 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 in-line water heaters 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 in-line water heaters suppliers did RevenueBase find worldwide?
The saved snapshot records 425 matching company records, 21,472 tracked contacts and 2,086 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 in-line water heaters suppliers worldwide. Snapshot: October 26, 2026. https://revenuebase.ai/companies/browse/in-line-water-heaters-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 in-line water heaters suppliers worldwide
RevenueBase records 425 matching company records for in-line water heaters suppliers worldwide, with 21,472 tracked contacts and 2,086 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 in-line water heaters 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 | A. O. Smith Corporationaosmith.com HQ: Milwaukee, WI, United StatesReported employees: 10001+ | Milwaukee, WI, United States | 10001+ | Exact match | 15,417 contacts → |
“Celebrating its 150th year of business, A.” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Bradford Whitebradfordwhitecorporation.com HQ: Ambler, PA, United StatesReported employees: 1,001-5,000 | Ambler, PA, United States | 1,001-5,000 | Exact match | 703 contacts → |
“Bradford White Corporation is an American-owned, full-line manufacturer of residential, commercial, and industrial products for water heating, space heating, combination heating…” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Lochinvar, LLClochinvar.com HQ: Lebanon, TN, IndiaReported employees: 201-500 | Lebanon, TN, India | 201-500 | Exact match | 346 contacts → |
“Lochinvar, LLC is a leading manufacturer of high-efficiency water heaters, boilers, pool heaters and custom pre-piped packaged systems.” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Racoldracold.com HQ: Pune, IndiaReported employees: 501-1,000 | Pune, India | 501-1,000 | Exact match | 213 contacts → |
“Your comfort your way.” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | TESYtesy.com HQ: Sofia, BulgariaReported employees: 501-1,000 | Sofia, Bulgaria | 501-1,000 | Exact match | 185 contacts → |
“TESY Ltd.” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Laars Heating Systemslaars.com HQ: Rochester, NH, United StatesReported employees: 201-500 | Rochester, NH, United States | 201-500 | Exact match | 132 contacts → |
“Founded in 1948, LAARS serves a diverse base of customers located in many countries across the globe.” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Thermowattthermowatt.com HQ: Arcevia, ItalyReported employees: 501-1,000 | Arcevia, Italy | 501-1,000 | Exact match | 105 contacts → |
“Founded at the beginning of the 1950s, Thermowatt soon became the leading manufacturer of tubular heating elements and thermostats for water heaters.” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Noritz Americanoritz.com HQ: Fountain Valley, CA, United StatesReported employees: 51-200 | Fountain Valley, CA, United States | 51-200 | Exact match | 79 contacts → |
“Noritz America Corporation, a subsidiary of Noritz Japan, has corporate offices in Fountain Valley, Calif, and Atlanta, offering a full line of tankless water heaters to meet the…” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | 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 · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Heatec, An Astec Brandastecindustries.com HQ: Chattanooga, TN, United StatesReported employees: 201-500 | Chattanooga, TN, United States | 201-500 | Exact match | 75 contacts → |
“Manufacturer of heaters, tanks and related products for a wide variety of industries.” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Hydrosolutionhydrosolution.com HQ: Anjou, QC, CanadaReported employees: 51-200 | Anjou, QC, Canada | 51-200 | Exact match | 74 contacts → |
“HydroSolution fut créée par Hydro-Québec en 1958 dans le but de promouvoir l’utilisation de l’électricité partout au Québec par le biais d’un service de location de chauffe-eau…” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | OSO Hotwater Norgeosohotwater.com HQ: Hokksund, NorwayReported employees: 51-200 | Hokksund, Norway | 51-200 | Exact match | 60 contacts → |
“OSO Hotwater is Europe’s largest manufacturer of stainless steel water heaters and a recognized global technology leader, known for quality, reliability, and environmentally…” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Metro Therm A Smetrotherm.dk HQ: Helsinge, DenmarkReported employees: 201-500 | Helsinge, Denmark | 201-500 | Exact match | 60 contacts → |
“METRO THERM leverer det varme vand til hele Danmark – gennem vandvarmere, fjernvarmeunits og varmepumper.” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | OGI Process Equipmentogipe.com HQ: Sand Springs, OK, United StatesReported employees: 51-200 | Sand Springs, OK, United States | 51-200 | Exact match | 55 contacts → |
“OGI (Oil, Gas, and Industrial) Process Equipment designs, manufactures, sells, and services TERI brand indirect fired water bath heaters and QuikWater® brand direct fired water…” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Eemax, Inc. A Rheem Companyeemax.com HQ: Waterbury, CT, United StatesReported employees: 51-200 | Waterbury, CT, United States | 51-200 | Exact match | 51 contacts → |
“Eemax is leading the evolution of hot water with cutting-edge technology that provides consistent hot water.” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Høiax AShoiax.no HQ: Fredrikstad, NorwayReported employees: 51-200 | Fredrikstad, Norway | 51-200 | Exact match | 49 contacts → |
“Høiax was established in 1927 and is Norway’s oldest and a leading manufacturer of high quality water heaters.” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Hamworthy Heating LTDhamworthy-heating.com HQ: Hull, United KingdomReported employees: 51-200 | Hull, United Kingdom | 51-200 | Exact match | 49 contacts → |
“Hamworthy Heating is a British manufacturer and supplier of commercial heating and hot water products.” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Rheem S.Arheem.com.ar HQ: ArgentinaReported employees: 51-200 | Argentina | 51-200 | Exact match | 49 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 19 | Domotec AGdomotec.ch HQ: Aarburg, SwitzerlandReported employees: 51-200 | Aarburg, Switzerland | 51-200 | Exact match | 46 contacts → |
“DOMOTEC AG ist seit 1976 als innovatives Unternehmen im Bereich «Haustechnik» tätig.” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | IBC Technologies Canadaibcboiler.com HQ: Burnaby, BC, CanadaReported employees: 51-200 | Burnaby, BC, Canada | 51-200 | Exact match | 43 contacts → |
“IBC produces a full range of hydronic heating solutions for both residential and commercial use across North America.” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Wattcowattco.com HQ: Lachine, QC, CanadaReported employees: 51-200 | Lachine, QC, Canada | 51-200 | Exact match | 41 contacts → |
“Wattco™ manufactures a complete line of flange heaters, circulation heaters, tubular heaters, and immersion heating elements for a wide variety of industrial and commercial…” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Hubbell Heatershubbellheaters.com HQ: Stratford, CT, United StatesReported employees: 51-200 | Stratford, CT, United States | 51-200 | Exact match | 40 contacts → |
“Hubbell delivers standard and custom water heating solutions across commercial, marine/offshore, foodservice, and industrial spaces.” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Rheem NEW Zealandrheem.co.nz HQ: Auckland, New ZealandReported employees: 51-200 | Auckland, New Zealand | 51-200 | Exact match | 40 contacts → |
“Rheem has been a trusted name in New Zealand since the company was formed in 1958.” Recorded description excerpt · October 26, 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 | 36 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 · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Triangle Tubetriangletube.com HQ: West Deptford Township, NJ, United StatesReported employees: 11-50 | West Deptford Township, NJ, United States | 11-50 | Exact match | 35 contacts → |
“Triangle Tube heating and hot water products have created comfort to families for over 60 years.” Recorded description excerpt · October 26, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 425 company matches
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In-line water heaters 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
416 records in the displayed employee bands.
9 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 425 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 ↗
In-line water heaters suppliers by location
1 lists · largest firstEvery In-line water heaters 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 in-line water heaters 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 in-line water heaters suppliers did RevenueBase find worldwide?
The saved snapshot records 425 matching company records, 21,472 tracked contacts and 2,086 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 in-line water heaters suppliers worldwide. Snapshot: October 26, 2026. https://revenuebase.ai/companies/browse/in-line-water-heaters-suppliers.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗