Company lists · Data refreshed October 2026

Top 25 District heating system manufacturers worldwide

RevenueBase identified 4,664 company matches for district heating system manufacturers worldwide as of October 2026 and tracks 73,802 professional contacts across them, including 19,108 with verified work emails. Germany is the largest market and Istanbul the largest hub.

This list covers company matches for district heating system 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 11, 2026. Country and city lists for district heating system 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Oct 11, 2026 How this list was built
4,664Companies
73,802Contacts tracked
19,108Verified emails
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The 25 largest district heating system manufacturers worldwide

Ranked by team size
Top 25 of 4,664 company matches for district heating system manufacturers worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 11, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchLa Roche-sur- Yon, FranceHQ recorded Oct 11, 202610001+3,447 contacts →

Exact match

“Acteur majeur du confort thermique, le GROUPE ATLANTIC conçoit, fabrique et commercialise des solutions de chauffage, climatisation, ventilation et production d’eau chaude…”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
2Exact matchRemscheid, GermanyHQ recorded Oct 11, 202610001+3,153 contacts →

Exact match

“Our corporate vision shapes everything we do and inspires our employees every day.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
3Exact matchWarwick, United KingdomHQ recorded Oct 11, 20261,001-5,000884 contacts →

Exact match

“We're leading the energy transition to zero carbon, by offering complete residential and commercial heating and hot water solutions.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
4Exact matchEysins, SwitzerlandHQ recorded Oct 11, 20261,001-5,000794 contacts →

Exact match

“At IMI, our Climate Control sector designs intelligent hydronic solutions that optimise comfort, energy use, and system reliability, helping create smarter, greener, more…”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
5Exact matchBerlin, GermanyHQ recorded Oct 11, 20261,001-5,000793 contacts →

Exact match

“Wärme und Energie für Berlin Als BEW Berliner Energie und Wärme sind wir Teil der Berliner Landesfamilie.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
6Exact matchBlackburn, United KingdomHQ recorded Oct 11, 2026501-1,000749 contacts →

Exact match

“Our 30+ years’ experience have involved us in the creation of major UK district heating networks in areas such as Sheffield, Nottingham and London.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
7Exact matchThomasville, GA, United StatesHQ recorded Oct 11, 20261,001-5,000665 contacts →

Exact match

“Cleaver-Brooks, Inc, a manufacturer of boiler room products for over 90 years, is the only single source manufacturer and supplier of boiler room products including boilers…”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
8Exact matchAlmere, NetherlandsHQ recorded Oct 11, 20261,001-5,000658 contacts →

Exact match

“When it comes to comfortable climate in buildings, we set the ultimate standards.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
9Exact matchCape Town, South AfricaHQ recorded Oct 11, 20261,001-5,000651 contacts →

Exact match

“John Thompson is a leader in energy and environmental solutions through value engineering and innovation.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
10Exact matchGebze, TürkiyeHQ recorded Oct 11, 2026501-1,000500 contacts →

Exact match

“Since its establishment in 1954 Alarko Sanayi ve Ticaret A.Ş.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
11Exact matchHolzminden, GermanyHQ recorded Oct 11, 20265,001-10,000496 contacts →

Exact match

“STIEBEL ELTRON bietet hocheffiziente Produkte und Dienstleistungen für die Heizung, Kühlung, Lüftung und Warmwasserbereitung von Gebäuden.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
12Exact matchMainburg, GermanyHQ recorded Oct 11, 20261,001-5,000493 contacts →

Exact match

“As a leading supplier of heating and air handling systems, we are perfectly in tune with you.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
13Exact matchİstanbul, TürkiyeHQ recorded Oct 11, 2026501-1,000472 contacts →

Exact match

“1969 yılında faaliyetlerine başlayan ve 2013 yılı itibarıyla iklimlendirme sektöründe Avrupa’nın ilk üç şirketi arasında yer alan BDR Thermea Group bünyesine katılan Baymak…”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
14Exact matchJundiaí, BrazilHQ recorded Oct 11, 2026501-1,000460 contacts →

Exact match

“A CBC projeta e produz uma extensa linha de equipamentos pesados em que se destacam: trocadores de calor; reatores de processo; torres e colunas de processo; vasos de pressão e…”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
15Exact matchSan Bonifacio, ItalyHQ recorded Oct 11, 20261,001-5,000435 contacts →

Exact match

“Comfort, designed around you – Since 1955, Ferroli has been a trusted name in HVAC, delivering innovative solutions for heating, cooling and hot water that combine comfort, energy…”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
16Exact matchDenmarkHQ recorded Oct 11, 20261,001-5,000422 contacts →

Exact match

“With more than 50 years of research, development and experience, we have become the leading manufacturer of pre-insulated pipe systems.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
17Exact matchApeldoorn, NetherlandsHQ recorded Oct 11, 2026201-500408 contacts →

Exact match

“Remeha, the comfort innovators Remeha ontwikkelt al sinds 1935 voortdurend innovatieve en energiezuinige producten voor warmte en warm water, zowel voor woningen als utiliteit.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
18Exact matchNerac, FranceHQ recorded Oct 11, 2026501-1,000404 contacts →

Exact match

“BABCOCK WANSON offers a complete range of products and services for industrial boiler house.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
19Exact matchReggio Emilia, ItalyHQ recorded Oct 11, 2026501-1,000382 contacts →

Exact match

“Produciamo oltre 300 mila caldaie l’anno e commercializziamo apparecchi per riscaldamento e raffrescamento domestico in 50 paesi di tutto il Mondo, con dodici filiali commerciali…”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
20Exact matchBuffalo, NY, United StatesHQ recorded Oct 11, 20261,001-5,000379 contacts →

Exact match

“API Heat Transfer is a leading global provider of heat transfer solutions, recognized for delivering innovative, energy-efficient equipment for more than 140 years.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
21Exact matchLebanon, TN, IndiaHQ recorded Oct 11, 2026201-500346 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 11, 2026 · View company records in RevenueBase
22Exact matchHelsinki, FinlandHQ recorded Oct 11, 20261,001-5,000327 contacts →

Exact match

“We are Purmo Group, leader in sustainable indoor climate comfort solutions.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
23Exact matchBraeside, AustraliaHQ recorded Oct 11, 2026201-500317 contacts →

Exact match

“Following Rinnai's international origins dating back more than 100 years, Rinnai Australia was established 50 years ago and since then has been providing Australians with the best…”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
24Exact matchSan Maurizio D'opaglio, ItalyHQ recorded Oct 11, 2026501-1,000316 contacts →

Exact match

“True Made in Italy.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
25Exact matchSan Nicolás De Los Garza, MexicoHQ recorded Oct 11, 2026501-1,000315 contacts →

Exact match

“CERREY, a leading Mexican company, is one of the main manufacturers of steam generators in the Americas.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase

Showing 25 of 4,664 district heating system manufacturers worldwide

See the full list, filter by size, metro and specialty, and access 19,108 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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District heating system manufacturers worldwide at a glance

As of Oct 11, 2026
25.9%Verified-email coverage
15.8Average contacts per company
11-50Median size (employees)
0.5%Largest-city concentration · Istanbul
Oct 11, 2026Page data refreshed

Companies by employee count

1-10
1,930
11-50
1,547
51-200
695
201-500
197
501-1,000
98
1,001-5,000
63
5,001-10,000
13
10001+
21

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 district heating system manufacturers are linked below.
What qualifies
Company records worldwide whose business descriptions match “district heating system 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 19,108 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 11, 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.

District heating system manufacturers by location

24 lists · largest first

Every District heating system 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 “district heating system manufacturers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many district heating system manufacturers are there worldwide?

RevenueBase identified 4,664 company matches for district heating system 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?

Groupe Atlantic tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most district heating system manufacturers?

Germany leads with 578 companies, followed by the United Kingdom (351) and Italy (293). Every district heating system manufacturers list by country and city is linked on this page.

Which city has the most district heating system manufacturers?

Istanbul leads with 25 company records, followed by Ahmedabad (22) and Pune (22).

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 19,108 professional contacts with verified work emails tracked across these 4,664 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 11, 2026.

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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.