Company lists · Data refreshed October 2026
Top 25 Immersion heaters manufacturers worldwide
RevenueBase identified 225 company matches for immersion heaters manufacturers worldwide as of October 2026 and tracks 1,935 professional contacts across them, including 508 with verified work emails. The United States is the largest market and Delhi the largest hub.
This list covers company matches for immersion heaters manufacturers worldwide, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed October 14, 2026. Country and city lists for immersion heaters manufacturers follow the table.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest immersion heaters manufacturers worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 185 contacts → | ||||
Exact match “TESY Ltd.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 2 | 140 contacts → | ||||
Exact match “At EXHEAT, we design and manufacture electric process heaters and control solutions.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 3 | 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 14, 2026 · View company records in RevenueBase | |||||
| 4 | 76 contacts → | ||||
Exact match “Sigma Thermal designs, engineers, supplies, and services process heating systems for industry.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 5 | 75 contacts → | ||||
Exact match “Manufacturer of heaters, tanks and related products for a wide variety of industries.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 6 | 69 contacts → | ||||
Exact match “Theeta is a largest producer and exporter of tubular heating elements for domestic and industrial applications in India.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 7 | 61 contacts → | ||||
Exact match “Tempsens Instruments (India) Limited- Heater Division is one of the largest manufacturers of Industrial Heaters and temperature sensors in India.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 8 | 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 14, 2026 · View company records in RevenueBase | |||||
| 9 | 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 14, 2026 · View company records in RevenueBase | |||||
| 10 | 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 14, 2026 · View company records in RevenueBase | |||||
| 11 | 36 contacts → | ||||
Exact match “Backer Heatrod manufacture both domestic and industrial electric heating products and solutions.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 12 | 33 contacts → | ||||
Exact match “Backer Hotwatt is a leader in the design and manufacture of resistance heating elements.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 13 | 31 contacts → | ||||
Exact match “At VEAB Heat Tech in Hässleholm, we are experts in creating energy-efficient and sustainable heating solutions for both commercial and industrial needs.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 14 | 27 contacts → | ||||
Exact match “NexThermal is a collaborative electric heater manufacturing company that focuses its passion and energy toward custom designing electric heaters, systems and assemblies.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 15 | 25 contacts → | ||||
Exact match “Thermo has been designing and manufacturing high-performance heating equipment for domestic and hydronic systems for over 40 years for residential, commercial and institutional…” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 16 | 21 contacts → | ||||
Exact match “Reco Group, which includes the Reco and the Reart companies, is an Italian company which, from more than 50 years, produces electrical heating elements and thermostats for…” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 17 | 18 contacts → | ||||
Exact match “Sinus Jevi Electric Heating bv is a world-wide operating company, specialised in heat systems and control systems for the petrochemical and chemical industry, refineries, food and…” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 18 | 15 contacts → | ||||
Exact match “Established in the year Ace Heat Tech is one of the leading manufacturers and exporters of high-quality, feature-rich electric infrared heaters, custom-built heaters, and…” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 19 | 14 contacts → | ||||
Exact match “Norske Backer is a leading producer of industrial heating solutions in Norway.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 20 | 14 contacts → | ||||
Exact match “For over 100 years of innovation, Dalton Electric Heating Co, Inc, has manufactured industrial heaters.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 21 | 13 contacts → | ||||
Exact match “Temar Srl is a well established company specialized in electrical heating solutions with heating cables and other specific products such as electrical heaters, heating jackets…” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 22 | 10 contacts → | ||||
Exact match “Preheat Engineering Ltd are UK specialist manufacturers and global suppliers of PEREGRINE and FALCON engine and storage tank heaters.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 23 | 9 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 24 | 6 contacts → | ||||
Exact match “Consort Claudgen is an independent British manufacturer and has been based in Milford Haven, Pembrokeshire, Wales since 1966.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 25 | 6 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 14, 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 “immersion heaters manufacturers”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 225 immersion heaters manufacturers worldwide
See the full list, filter by size, metro and specialty, and access 508 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Immersion heaters manufacturers worldwide at a glance
As of Oct 14, 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 immersion heaters manufacturers are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “immersion heaters manufacturers” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
- RevenueBase SmartSearch
- Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
- Public preview
- The public preview omits records without a verified work email. Dataset totals and geographic summaries describe the full matched records before these preview filters.
- Match quality
- RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every displayed company carries at least one verified work email. RevenueBase tracks 508 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 14, 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.
Immersion heaters manufacturers by location
1 lists · largest firstEvery Immersion heaters manufacturers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
Frequently asked
What is RevenueBase SmartSearch?
RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “immersion heaters manufacturers”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many immersion heaters manufacturers are there worldwide?
RevenueBase identified 225 company matches for immersion heaters manufacturers 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?
TESY tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most immersion heaters manufacturers?
The United States leads with 27 companies. Every immersion heaters manufacturers list by country and city is linked on this page.
Which city has the most immersion heaters manufacturers?
Delhi leads with 12 company records, followed by Ahmedabad (7) and Mumbai (7).
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 508 professional contacts with verified work emails tracked across these 225 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 14, 2026.
Ready to reach these companies? Verified emails and direct dials for all 225 immersion heaters manufacturers worldwide. Start with a free account, no credit card.
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About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
More company lists
Company intelligence · public preview
Top 25 immersion heaters manufacturers worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 225 matching company records for immersion heaters manufacturers worldwide, with 1,935 tracked contacts and 508 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 14, 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 immersion heaters manufacturers worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | TESYtesy.com HQ: Sofia, BulgariaReported employees: 501-1,000 | Sofia, Bulgaria | 501-1,000 | Exact match | 185 contacts → |
“TESY Ltd.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Exheatexheat.com HQ: Watton, United KingdomReported employees: 51-200 | Watton, United Kingdom | 51-200 | Exact match | 140 contacts → |
“At EXHEAT, we design and manufacture electric process heaters and control solutions.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | 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 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Sigma Thermal, INCsigmathermal.com HQ: Marietta, GA, United StatesReported employees: 51-200 | Marietta, GA, United States | 51-200 | Exact match | 76 contacts → |
“Sigma Thermal designs, engineers, supplies, and services process heating systems for industry.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  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 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Theeta Electricals Pvt. LTDtheeta.com HQ: Manesar, IndiaReported employees: 501-1,000 | Manesar, India | 501-1,000 | Exact match | 69 contacts → |
“Theeta is a largest producer and exporter of tubular heating elements for domestic and industrial applications in India.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Tempsens Instruments India Limited- Heater Divisionmarathonheat.com HQ: Udaipur, IndiaReported employees: 51-200 | Udaipur, India | 51-200 | Exact match | 61 contacts → |
“Tempsens Instruments (India) Limited- Heater Division is one of the largest manufacturers of Industrial Heaters and temperature sensors in India.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | 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 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | 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 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | 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 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Backer Heatrod LTDheatrod.com HQ: Bolton, United KingdomReported employees: 11-50 | Bolton, United Kingdom | 11-50 | Exact match | 36 contacts → |
“Backer Heatrod manufacture both domestic and industrial electric heating products and solutions.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Backer Hotwattbackerhotwatt.com HQ: Danvers, MA, United StatesReported employees: 51-200 | Danvers, MA, United States | 51-200 | Exact match | 33 contacts → |
“Backer Hotwatt is a leader in the design and manufacture of resistance heating elements.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Veab Heat Tech ABveab.com HQ: Hässleholm, SwedenReported employees: 51-200 | Hässleholm, Sweden | 51-200 | Exact match | 31 contacts → |
“At VEAB Heat Tech in Hässleholm, we are experts in creating energy-efficient and sustainable heating solutions for both commercial and industrial needs.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Nexthermal Mfg. India Pvt. LTDnexthermal.in HQ: Bangalore, IndiaReported employees: 51-200 | Bangalore, India | 51-200 | Exact match | 27 contacts → |
“NexThermal is a collaborative electric heater manufacturing company that focuses its passion and energy toward custom designing electric heaters, systems and assemblies.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Thermo 2000 INCthermo2000.com HQ: Richmond, QC, CanadaReported employees: 51-200 | Richmond, QC, Canada | 51-200 | Exact match | 25 contacts → |
“Thermo has been designing and manufacturing high-performance heating equipment for domestic and hydronic systems for over 40 years for residential, commercial and institutional…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Reco Grouprecogroup.it HQ: Frossasco, ItalyReported employees: 51-200 | Frossasco, Italy | 51-200 | Exact match | 21 contacts → |
“Reco Group, which includes the Reco and the Reart companies, is an Italian company which, from more than 50 years, produces electrical heating elements and thermostats for…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Sinus Jevi Electric Heating BVsinusjevi.com HQ: Medemblik, NetherlandsReported employees: 11-50 | Medemblik, Netherlands | 11-50 | Exact match | 18 contacts → |
“Sinus Jevi Electric Heating bv is a world-wide operating company, specialised in heat systems and control systems for the petrochemical and chemical industry, refineries, food and…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  ACE Heat Techaceheattech.comHQ: Thane, IndiaReported employees: 11-50 | Thane, India | 11-50 | Exact match | 15 contacts → |
“Established in the year Ace Heat Tech is one of the leading manufacturers and exporters of high-quality, feature-rich electric infrared heaters, custom-built heaters, and…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Norske Backer ASnorskebacker.no HQ: Kongsvinger, NorwayReported employees: 11-50 | Kongsvinger, Norway | 11-50 | Exact match | 14 contacts → |
“Norske Backer is a leading producer of industrial heating solutions in Norway.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Dalton Electric Heating COdaltonelectric.com HQ: Ipswich, MA, United KingdomReported employees: 11-50 | Ipswich, MA, United Kingdom | 11-50 | Exact match | 14 contacts → |
“For over 100 years of innovation, Dalton Electric Heating Co, Inc, has manufactured industrial heaters.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Temar SRLtemarsrl.it HQ: Biassono, CanadaReported employees: 1-10 | Biassono, Canada | 1-10 | Exact match | 13 contacts → |
“Temar Srl is a well established company specialized in electrical heating solutions with heating cables and other specific products such as electrical heaters, heating jackets…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Preheat Engineering LTDpreheat.co.uk HQ: Langley, CanadaReported employees: 1-10 | Langley, Canada | 1-10 | Exact match | 10 contacts → |
“Preheat Engineering Ltd are UK specialist manufacturers and global suppliers of PEREGRINE and FALCON engine and storage tank heaters.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Exheat Industrial Limitedexheat-industrial.com HQ: Norwich, United KingdomReported employees: 1-10 | Norwich, United Kingdom | 1-10 | Exact match | 9 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 24 | Consort Equipment Products LTDconsortepl.com HQ: Pembrokeshire, United KingdomReported employees: 51-200 | Pembrokeshire, United Kingdom | 51-200 | Exact match | 6 contacts → |
“Consort Claudgen is an independent British manufacturer and has been based in Milford Haven, Pembrokeshire, Wales since 1966.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Excel Heaters - Indiaexcelheaters.com HQ: Mumbai, IndiaReported employees: 11-50 | Mumbai, India | 11-50 | Exact match | 6 contacts → |
No recorded description excerpt is available for this public record. | |||||
Showing 25 of 225 company matches
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Immersion heaters manufacturers: dataset insights
October 14, 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
222 records in the displayed employee bands.
3 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 225 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 14, 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 ↗
Immersion heaters manufacturers by location
1 lists · largest firstEvery Immersion heaters manufacturers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
Questions about this company list
What does Exact match mean for immersion heaters manufacturers?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many immersion heaters manufacturers did RevenueBase find worldwide?
The saved snapshot records 225 matching company records, 1,935 tracked contacts and 508 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 14, 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 immersion heaters manufacturers worldwide. Snapshot: October 14, 2026. https://revenuebase.ai/companies/browse/immersion-heaters-manufacturers.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
Company intelligence · public preview
Top 25 immersion heaters manufacturers worldwide
RevenueBase records 225 matching company records for immersion heaters manufacturers worldwide, with 1,935 tracked contacts and 508 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 14, 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 immersion heaters manufacturers worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | TESYtesy.com HQ: Sofia, BulgariaReported employees: 501-1,000 | Sofia, Bulgaria | 501-1,000 | Exact match | 185 contacts → |
“TESY Ltd.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Exheatexheat.com HQ: Watton, United KingdomReported employees: 51-200 | Watton, United Kingdom | 51-200 | Exact match | 140 contacts → |
“At EXHEAT, we design and manufacture electric process heaters and control solutions.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | 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 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Sigma Thermal, INCsigmathermal.com HQ: Marietta, GA, United StatesReported employees: 51-200 | Marietta, GA, United States | 51-200 | Exact match | 76 contacts → |
“Sigma Thermal designs, engineers, supplies, and services process heating systems for industry.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | 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 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Theeta Electricals Pvt. LTDtheeta.com HQ: Manesar, IndiaReported employees: 501-1,000 | Manesar, India | 501-1,000 | Exact match | 69 contacts → |
“Theeta is a largest producer and exporter of tubular heating elements for domestic and industrial applications in India.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Tempsens Instruments India Limited- Heater Divisionmarathonheat.com HQ: Udaipur, IndiaReported employees: 51-200 | Udaipur, India | 51-200 | Exact match | 61 contacts → |
“Tempsens Instruments (India) Limited- Heater Division is one of the largest manufacturers of Industrial Heaters and temperature sensors in India.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | 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 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | 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 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | 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 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Backer Heatrod LTDheatrod.com HQ: Bolton, United KingdomReported employees: 11-50 | Bolton, United Kingdom | 11-50 | Exact match | 36 contacts → |
“Backer Heatrod manufacture both domestic and industrial electric heating products and solutions.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Backer Hotwattbackerhotwatt.com HQ: Danvers, MA, United StatesReported employees: 51-200 | Danvers, MA, United States | 51-200 | Exact match | 33 contacts → |
“Backer Hotwatt is a leader in the design and manufacture of resistance heating elements.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Veab Heat Tech ABveab.com HQ: Hässleholm, SwedenReported employees: 51-200 | Hässleholm, Sweden | 51-200 | Exact match | 31 contacts → |
“At VEAB Heat Tech in Hässleholm, we are experts in creating energy-efficient and sustainable heating solutions for both commercial and industrial needs.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Nexthermal Mfg. India Pvt. LTDnexthermal.in HQ: Bangalore, IndiaReported employees: 51-200 | Bangalore, India | 51-200 | Exact match | 27 contacts → |
“NexThermal is a collaborative electric heater manufacturing company that focuses its passion and energy toward custom designing electric heaters, systems and assemblies.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Thermo 2000 INCthermo2000.com HQ: Richmond, QC, CanadaReported employees: 51-200 | Richmond, QC, Canada | 51-200 | Exact match | 25 contacts → |
“Thermo has been designing and manufacturing high-performance heating equipment for domestic and hydronic systems for over 40 years for residential, commercial and institutional…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Reco Grouprecogroup.it HQ: Frossasco, ItalyReported employees: 51-200 | Frossasco, Italy | 51-200 | Exact match | 21 contacts → |
“Reco Group, which includes the Reco and the Reart companies, is an Italian company which, from more than 50 years, produces electrical heating elements and thermostats for…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Sinus Jevi Electric Heating BVsinusjevi.com HQ: Medemblik, NetherlandsReported employees: 11-50 | Medemblik, Netherlands | 11-50 | Exact match | 18 contacts → |
“Sinus Jevi Electric Heating bv is a world-wide operating company, specialised in heat systems and control systems for the petrochemical and chemical industry, refineries, food and…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | ACE Heat Techaceheattech.com HQ: Thane, IndiaReported employees: 11-50 | Thane, India | 11-50 | Exact match | 15 contacts → |
“Established in the year Ace Heat Tech is one of the leading manufacturers and exporters of high-quality, feature-rich electric infrared heaters, custom-built heaters, and…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Norske Backer ASnorskebacker.no HQ: Kongsvinger, NorwayReported employees: 11-50 | Kongsvinger, Norway | 11-50 | Exact match | 14 contacts → |
“Norske Backer is a leading producer of industrial heating solutions in Norway.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Dalton Electric Heating COdaltonelectric.com HQ: Ipswich, MA, United KingdomReported employees: 11-50 | Ipswich, MA, United Kingdom | 11-50 | Exact match | 14 contacts → |
“For over 100 years of innovation, Dalton Electric Heating Co, Inc, has manufactured industrial heaters.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Temar SRLtemarsrl.it HQ: Biassono, CanadaReported employees: 1-10 | Biassono, Canada | 1-10 | Exact match | 13 contacts → |
“Temar Srl is a well established company specialized in electrical heating solutions with heating cables and other specific products such as electrical heaters, heating jackets…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Preheat Engineering LTDpreheat.co.uk HQ: Langley, CanadaReported employees: 1-10 | Langley, Canada | 1-10 | Exact match | 10 contacts → |
“Preheat Engineering Ltd are UK specialist manufacturers and global suppliers of PEREGRINE and FALCON engine and storage tank heaters.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Exheat Industrial Limitedexheat-industrial.com HQ: Norwich, United KingdomReported employees: 1-10 | Norwich, United Kingdom | 1-10 | Exact match | 9 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 24 | Consort Equipment Products LTDconsortepl.com HQ: Pembrokeshire, United KingdomReported employees: 51-200 | Pembrokeshire, United Kingdom | 51-200 | Exact match | 6 contacts → |
“Consort Claudgen is an independent British manufacturer and has been based in Milford Haven, Pembrokeshire, Wales since 1966.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Excel Heaters - Indiaexcelheaters.com HQ: Mumbai, IndiaReported employees: 11-50 | Mumbai, India | 11-50 | Exact match | 6 contacts → |
No recorded description excerpt is available for this public record. | |||||
Showing 25 of 225 company matches
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Immersion heaters manufacturers: dataset insights
October 14, 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
222 records in the displayed employee bands.
3 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 225 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 14, 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 ↗
Immersion heaters manufacturers by location
1 lists · largest firstEvery Immersion heaters manufacturers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
Questions about this company list
What does Exact match mean for immersion heaters manufacturers?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many immersion heaters manufacturers did RevenueBase find worldwide?
The saved snapshot records 225 matching company records, 1,935 tracked contacts and 508 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 14, 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 immersion heaters manufacturers worldwide. Snapshot: October 14, 2026. https://revenuebase.ai/companies/browse/immersion-heaters-manufacturers.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗