Company lists · Data refreshed November 2026

Top 25 Municipal heating system operators worldwide

RevenueBase identified 904 company matches for municipal heating system operators worldwide as of November 2026 and tracks 26,023 professional contacts across them, including 10,202 with verified work emails. Germany is the largest market and Saarbrucken the largest hub.

This list covers company matches for municipal heating system operators 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 November 6, 2026. Country and city lists for municipal heating system operators 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 Nov 6, 2026 How this list was built
904Companies
26,023Contacts tracked
10,202Verified emails
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The 25 largest municipal heating system operators worldwide

Ranked by team size
Top 25 of 904 company matches for municipal heating system operators worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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 matchCopenhagen, DenmarkHQ recorded Nov 6, 20261,001-5,0001,315 contacts →

Exact match

“HOFOR er din lokale forsyner.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchLevallois-perret, FranceHQ recorded Nov 6, 20261,001-5,0001,054 contacts →

Exact match

“A major player in the energy transition and leader in home services, PROXISERVE provides its customers with innovative solutions enabling them to reduce their energy consumption…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchBrussels, BelgiumHQ recorded Nov 6, 20261,001-5,000910 contacts →

Exact match

“Sibelga is the energy that keeps Brussels moving forward.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchPrague, Czech RepublicHQ recorded Nov 6, 202610001+836 contacts →

Exact match

“Podnikání innogy se soustředí na dodávky zemního plynu, elektřiny a tepla zákazníkům, kombinovanou výrobu tepla a elektřiny v teplárenských provozech a řešení pro čistou mobilitu.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchStockholm, SwedenHQ recorded Nov 6, 2026501-1,000743 contacts →

Exact match

“We are Stockholm’s energy company.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchVienna, AustriaHQ recorded Nov 6, 20261,001-5,000527 contacts →

Exact match

“Strom, Gas, Fernwärme und Daten: Wir arbeiten an den Lebensadern der Stadt.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchLinz, AustriaHQ recorded Nov 6, 20261,001-5,000420 contacts →

Exact match

“Ob im Verkehr, in Energiefragen oder in der Infrastruktur – die LINZ AG bietet im oberösterreichischen Zentralraum moderne und zuverlässige Dienstleistungen auf höchstem Niveau.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchRanders Nv, DenmarkHQ recorded Nov 6, 2026201-500386 contacts →

Exact match

“Verdo Holding A/S er en forbrugerejet energikoncern med hovedsæde i Randers, der består af et holdingselskab samt datterselskaber inden for vand, varme og elproduktion.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchPlovdiv, BulgariaHQ recorded Nov 6, 20261,001-5,000361 contacts →

Exact match

“EVN Bulgaria is part of the Austrian EVN Group.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchBrabrand, DenmarkHQ recorded Nov 6, 2026501-1,000348 contacts →

Exact match

“Kredsløb is an utility company with around 500 employees who work with contributing to the green transition and supporting our customers and partners in doing the same every day.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchBern, SwitzerlandHQ recorded Nov 6, 2026501-1,000340 contacts →

Exact match

“Energie Wasser Bern ewb stellt die Versorgung der Stadt und umliegender Gemeinden mit Strom, Erd, Biogas, Fernwärme und Wasser sicher.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchBielefeld, GermanyHQ recorded Nov 6, 20261,001-5,000313 contacts →

Exact match

“Gut für dich.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchOdense C, DenmarkHQ recorded Nov 6, 2026201-500298 contacts →

Exact match

“Fjernvarmeforsyningen er en nonprofit virksomhed, hvor fjernvarmeprisen er omkostningsbestemt, og økonomisk følger princippet "hvile i sig selv".”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchBoston, MA, United StatesHQ recorded Nov 6, 2026501-1,000292 contacts →

Exact match

“Vicinity Energy is a leading district energy company that owns and operates the largest portfolio of district energy systems nationwide, providing steam, hot water, and chilled…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchErfurt, GermanyHQ recorded Nov 6, 20261,001-5,000275 contacts →

Exact match

“Gestalten Sie mit uns die Energiezukunft Thüringens!”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchKoblenz, GermanyHQ recorded Nov 6, 2026501-1,000246 contacts →

Exact match

“Wir, die Unternehmensgruppe Energieversorgung Mittelrhein (evm-Gruppe), sind das größte kommunale Energie- und Dienstleistungsunternehmen aus Rheinland-Pfalz.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchMünster, GermanyHQ recorded Nov 6, 20261,001-5,000245 contacts →

Exact match

“Münster liegt uns am Herzen.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchBorås, SwedenHQ recorded Nov 6, 2026201-500239 contacts →

Exact match

“Vi på Borås Energi och Miljö tar tillvara energiflöden i samhället och omvandlar energin i bland annat avfall till fjärrvärme, fjärrkyla och biogas.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchChemnitz, GermanyHQ recorded Nov 6, 20261,001-5,000223 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchNeuchâtel, SwitzerlandHQ recorded Nov 6, 2026201-500222 contacts →

Exact match

“Référence neuchâteloise de la transition énergétique, Viteos assure la fourniture d’énergies ainsi que la gestion des réseaux d’eau, d’électricité, de gaz et de chauffage/froid à…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchNuuk, GreenlandHQ recorded Nov 6, 2026201-500214 contacts →

Exact match

“Nukissiorfiit has supplied Greenland with electricity since 1949.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchBuchs, SwitzerlandHQ recorded Nov 6, 2026201-500205 contacts →

Exact match

“Eniwa ist ein regional verankertes Energie-Dienstleistungsunternehmen mit Sitz in Buchs.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchHalmstad, SwedenHQ recorded Nov 6, 2026201-500201 contacts →

Exact match

“The area's leading business, in relation to energy, environment and climate.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchBochum, GermanyHQ recorded Nov 6, 2026501-1,000200 contacts →

Exact match

“Seit mehr als 170 Jahren versorgen die Stadtwerke Bochum die Bochumer Bürger mit Strom, Gas, Wasser und Fernwärme.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchZwanenburg, NetherlandsHQ recorded Nov 6, 2026201-500199 contacts →

Exact match

“Bonarius Bedrijven De naam Bonarius was lange tijd synoniem voor de aanleg en het onderhoud van cv-installaties.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 904 municipal heating system operators worldwide

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Municipal heating system operators worldwide at a glance

As of Nov 6, 2026
39.2%Verified-email coverage
28.8Average contacts per company
11-50Median size (employees)
0.6%Largest-city concentration · Saarbrucken
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
283
11-50
238
51-200
197
201-500
74
501-1,000
39
1,001-5,000
28
5,001-10,000
1
10001+
2

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 municipal heating system operators are linked below.
What qualifies
Company records worldwide whose business descriptions match “municipal heating system operators” 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 10,202 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 November 6, 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.

Municipal heating system operators by location

6 lists · largest first

Every Municipal heating system operators 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 “municipal heating system operators”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many municipal heating system operators are there worldwide?

RevenueBase identified 904 company matches for municipal heating system operators worldwide as of November 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?

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

Which country has the most municipal heating system operators?

Germany leads with 329 companies, followed by Sweden (59) and Italy (52). Every municipal heating system operators list by country and city is linked on this page.

Which city has the most municipal heating system operators?

Saarbrucken leads with 5 company records, followed by Duisburg (4) and Milan (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 10,202 professional contacts with verified work emails tracked across these 904 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 November 6, 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.