Company lists · Data refreshed November 2026

Top 25 Heating network operators worldwide

RevenueBase identified 986 company matches for heating network operators worldwide as of November 2026 and tracks 24,750 professional contacts across them, including 10,420 with verified work emails. Germany is the largest market and London the largest hub.

This list covers company matches for heating network 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 heating network 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
986Companies
24,750Contacts tracked
10,420Verified emails
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The 25 largest heating network operators worldwide

Ranked by team size
Top 25 of 986 company matches for heating network 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 matchBoulogne-billancourt, FranceHQ recorded Nov 6, 20265,001-10,0003,530 contacts →

Exact match

“Fondé en France en 1963, le groupe IDEX, fort de près de 6 500 collaborateurs, développe, conçoit, finance, construit et exploite des infrastructures énergétiques locales et…”

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 matchWarwick, United KingdomHQ recorded Nov 6, 20261,001-5,000865 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 · Nov 6, 2026 · View company records in RevenueBase
5Exact 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
6Exact matchBlackburn, United KingdomHQ recorded Nov 6, 2026501-1,000771 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 · Nov 6, 2026 · View company records in RevenueBase
7Exact matchQuickborn, GermanyHQ recorded Nov 6, 20261,001-5,000401 contacts →

Exact match

“Schleswig-Holstein Netz ist ein Teil der HanseWerk-Gruppe und Ihr Netzbetreiber in Schleswig-Holstein.”

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 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
10Exact matchBouguenais, FranceHQ recorded Nov 6, 2026201-500302 contacts →

Exact match

“SOFINTHER propose la meilleure offre en chauffage collectif aux professionnels du génie climatique.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchEindhoven, NetherlandsHQ recorded Nov 6, 2026201-500302 contacts →

Exact match

“Ennatuurlijk koppelt lokale producenten en ontvangers van duurzame warmte en koude aan elkaar.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact 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
13Exact matchParis, FranceHQ recorded Nov 6, 2026501-1,000295 contacts →

Exact match

“Le plus grand réseau de chaleur de France Depuis 1927, nous produisons et acheminons de la chaleur pour le chauffage et l’eau chaude en métropole parisienne.”

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 matchAlmelo, NetherlandsHQ recorded Nov 6, 2026201-500228 contacts →

Exact match

“Cogas is al sinds 1966 actief als regionaal netwerkbedrijf in een groot deel van Twente en de gemeente Hardenberg.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact 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
17Exact 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
18Exact 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
19Exact 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
20Exact matchLisbon, PortugalHQ recorded Nov 6, 2026201-500195 contacts →

Exact match

“The Floene group is the largest gas distribution operator in Portugal, with the participation and direct management of 9 Gas Distribution Regional Operators (ORDs) and a presence…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchQuickborn, GermanyHQ recorded Nov 6, 20261,001-5,000183 contacts →

Exact match

“Die HanseWerk-Gruppe ist mit mehr als Mitarbeiterinnen und Mitarbeitern einer der größten Energiedienstleister in Norddeutschland und Teil des E.ON-Konzerns.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchHagen, GermanyHQ recorded Nov 6, 20261,001-5,000173 contacts →

Exact match

“Die ENERVIE - Südwestfalen Energie und Wasser AG ist der Konzernverbund der Mark-E und Stadtwerke Lüdenscheid.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchShipley, United KingdomHQ recorded Nov 6, 2026201-500162 contacts →

Exact match

“Switch2 is the UK’s most experienced and capable provider of end-to-end solutions for residential heat networks.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchStadt Bremen, GermanyHQ recorded Nov 6, 2026501-1,000154 contacts →

Exact match

“Als Netzbetreiber kümmern wir uns darum, dass Energie dort ankommt, wo sie benötigt wird.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchSittingbourne, United KingdomHQ recorded Nov 6, 2026201-500153 contacts →

Exact match

“As an established heating company based in Kent, Swale Heating are proud to offer expert guidance in choosing the best heating and boiler systems & products available today.”

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

Showing 25 of 986 heating network operators worldwide

See the full list, filter by size, metro and specialty, and access 10,420 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Heating network operators worldwide at a glance

As of Nov 6, 2026
42.1%Verified-email coverage
25.1Average contacts per company
11-50Median size (employees)
2.0%Largest-city concentration · London
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
416
11-50
276
51-200
136
201-500
48
501-1,000
29
1,001-5,000
27
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 heating network operators are linked below.
What qualifies
Company records worldwide whose business descriptions match “heating network 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 10,420 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.

Heating network operators by location

8 lists · largest first

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

How many heating network operators are there worldwide?

RevenueBase identified 986 company matches for heating network 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?

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

Which country has the most heating network operators?

Germany leads with 214 companies, followed by the United Kingdom (145) and France (63). Every heating network operators list by country and city is linked on this page.

Which city has the most heating network operators?

London leads with 20 company records, followed by Berlin (7) and Paris (6).

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 10,420 professional contacts with verified work emails tracked across these 986 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.