Company lists · Data refreshed October 2026

Top 25 Energy savings system suppliers worldwide

Name: Energy savings system suppliers worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 25, 2026 10,510 companies tracked

RevenueBase identified 10,510 company matches for energy savings system suppliers worldwide as of October 2026 and tracks 155,487 professional contacts across them, including 44,140 with verified work emails. The United States is the largest market and Madrid the largest hub.

This list covers company matches for energy savings system suppliers worldwide, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed October 25, 2026. Country and city lists for energy savings system suppliers follow the table.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Oct 25, 2026 How this list was built

10,510Companies

155,487Contacts tracked

44,140Verified emails

Explore this list → Free signup · no credit card · 500 free credits

The 25 largest energy savings system suppliers worldwide

Ranked by team size

Top 25 of 10,510 company matches for energy savings system suppliers worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 25, 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	British GAS	Exact match	Windsor, United KingdomHQ recorded Oct 25, 2026	10001+	9,535 contacts →
	Exact match “Taking care of things.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
2	Dalkia	Exact match	Saint-andré-lez-lille, FranceHQ recorded Oct 25, 2026	10001+	8,823 contacts →
	Exact match “Dalkia : ensemble, relevons le défi climatique!” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
3	REXEL	Exact match	Paris, FranceHQ recorded Oct 25, 2026	10001+	6,604 contacts →
	Exact match “Rexel, worldwide expert in the multichannel professional distribution of products and services for the energy world, addresses three main markets: residential, commercial, and…” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
4	Centrica	Exact match	Windsor, United KingdomHQ recorded Oct 25, 2026	10001+	4,831 contacts →
	Exact match “Centrica is an international energy services and solutions company, founded on a 200-year heritage of serving customers in homes and businesses.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
5	Enova By Veolia	Exact match	Dubai, United Arab EmiratesHQ recorded Oct 25, 2026	5,001-10,000	4,030 contacts →
	Exact match “Enova is the regional leader in integrated energy and multi-technical services, delivering comprehensive services to its clients.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
6	Generac	Exact match	Waukesha, WI, United StatesHQ recorded Oct 25, 2026	5,001-10,000	3,918 contacts →
	Exact match “Generac is the total energy solutions company powering a smarter world.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
7	Shell Energy	Exact match	London, United KingdomHQ recorded Oct 25, 2026	1,001-5,000	2,589 contacts →
	Exact match “We help businesses manage energy needs, boost efficiency, control costs and achieve decarbonisation goals for a better energy future.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
8	Clearesult	Exact match	Austin, TX, United StatesHQ recorded Oct 25, 2026	1,001-5,000	2,206 contacts →
	Exact match “CLEAResult is the largest provider of energy efficiency, energy transition and energy sustainability services in North America.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
9	CHINT	Exact match	Shanghai, ChinaHQ recorded Oct 25, 2026	10001+	1,891 contacts →
	Exact match “CHINT is a global leader in smart energy solutions, delivering efficient and sustainable power for industries, infrastructure, and communities worldwide.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
10	Ameresco	Exact match	Framingham, MA, United StatesHQ recorded Oct 25, 2026	1,001-5,000	1,513 contacts →
	Exact match “Ameresco, Inc.(NYSE:AMRC) is a leading energy infrastructure solutions provider dedicated to helping customers reduce costs, enhance resilience, and decarbonize to net zero in the…” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
11	GK	Exact match	Oslo, NorwayHQ recorded Oct 25, 2026	1,001-5,000	1,134 contacts →
	Exact match “GK er en ledende teknisk entreprenør og servicepartner.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
12	Dalkia UK	Exact match	London, United KingdomHQ recorded Oct 25, 2026	5,001-10,000	1,110 contacts →
	Exact match “Together, we’re delivering technical solutions for a better society and an Electric Britain Dalkia is one of the UK’s leading technical and energy services providers at the…” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
13	Techem Energy Services Gmbh	Exact match	Eschborn, GermanyHQ recorded Oct 25, 2026	1,001-5,000	1,048 contacts →
	Exact match “Techem is a leading global energy service provider for the real estate sector and private homeowners.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
14	Proxiserve	Exact match	Levallois-perret, FranceHQ recorded Oct 25, 2026	1,001-5,000	984 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 · Oct 25, 2026 · View company records in RevenueBase
15	Feenstra	Exact match	Lelystad, NetherlandsHQ recorded Oct 25, 2026	1,001-5,000	789 contacts →
	Exact match “Sinds het ontstaan in 1947 is Feenstra marktleider in installatietechniek met een nationale dekking.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
16	Sunnova Energy	Exact match	Houston, TX, United StatesHQ recorded Oct 25, 2026	501-1,000	770 contacts →
	Exact match “Sunnova Energy International Inc.(NYSE: NOVA) is an industry-leading energy services company focused on making clean energy more accessible, reliable, and affordable for…” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
17	KBC A Yokogawa Company	Exact match	Walton-on-thames, United KingdomHQ recorded Oct 25, 2026	201-500	691 contacts →
	Exact match “We are passionate about driving sustainable change for our planet.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
18	Albireo Energy	Exact match	Edison, NJ, United StatesHQ recorded Oct 25, 2026	1,001-5,000	658 contacts →
	Exact match “Albireo Energy is a leading independent building controls and energy services provider recognized by customers for creating intelligent, high-performance buildings.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
19	Sorgenia	Exact match	Milan, ItalyHQ recorded Oct 25, 2026	201-500	613 contacts →
	Exact match “Da dicembre 2025, abbiamo integrato EF Solare, il primo produttore fotovoltaico italiano.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
20	Enegan	Exact match	Vinci, ItalyHQ recorded Oct 25, 2026	201-500	611 contacts →
	Exact match “Enegan offre soluzioni personalizzate per le aziende abbinando alla fornitura di elettricità, gas e telecomunicazioni una vasta gamma di prodotti e servizi ad alto valore…” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
21	General Energy Management Systems P. LTD	Exact match	New Delhi, IndiaHQ recorded Oct 25, 2026	501-1,000	547 contacts →
	Exact match “General Energy Management Systems Pvt.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
22	Ets-Lindgren	Exact match	Cedar Park, TX, United StatesHQ recorded Oct 25, 2026	501-1,000	540 contacts →
	Exact match “ETS-Lindgren is the leading supplier of energy management solutions for the industrial and commercial markets.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
23	3e Engenharia EM Eficiencia Energetica	Exact match	BrazilHQ recorded Oct 25, 2026	201-500	530 contacts →
	Exact match “A 3E Engenharia atua nacionalmente, oferecendo soluções para empresas concessionárias de serviços públicos, no planejamento, gestão, execução e inovação em projetos de Eficiência…” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
24	Northern GAS And Power	Exact match	Gateshead, United KingdomHQ recorded Oct 25, 2026	501-1,000	516 contacts →
	Exact match “As leaders in our field, we’re trusted by over businesses to provide a full energy service.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
25	Korra Energi	Exact match	Cairo, EgyptHQ recorded Oct 25, 2026	1,001-5,000	476 contacts →
	Exact match “Korra Energi is a proud Egyptian leader in energy efficiency and construction services, backed by over 25 years of expertise and a vision of "Growth and Prosperity"(إعمار الأرض).” Recorded in the RevenueBase company graph · Oct 25, 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 “energy savings system suppliers”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 10,510 energy savings system suppliers worldwide

See the full list, filter by size, metro and specialty, and access 44,140 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Energy savings system suppliers worldwide at a glance

As of Oct 25, 2026

28.4%Verified-email coverage

14.8Average contacts per company

1-10Median size (employees)

1.3%Largest-city concentration · Madrid

Oct 25, 2026Page data refreshed

Companies by employee count

1-10

5,543

11-50

3,598

51-200

981

201-500

189

501-1,000

1,001-5,000

5,001-10,000

10001+

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 energy savings system suppliers are linked below.
What qualifies: Company records worldwide whose business descriptions match “energy savings system suppliers” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch: Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview: The public preview omits records without a verified work email. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality: RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
Ranking: Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification: Every displayed company carries at least one verified work email. RevenueBase tracks 44,140 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 25, 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.

Energy savings system suppliers by location

48 lists · largest first

Every Energy savings system suppliers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Cities

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 “energy savings system suppliers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many energy savings system suppliers are there worldwide?

RevenueBase identified 10,510 company matches for energy savings system suppliers worldwide as of October 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

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

Which country has the most energy savings system suppliers?

The United States leads with 1,456 companies, followed by Italy (839) and Spain (807). Every energy savings system suppliers list by country and city is linked on this page.

Which city has the most energy savings system suppliers?

Madrid leads with 134 company records, followed by Paris (72) and London (68).

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 44,140 professional contacts with verified work emails tracked across these 10,510 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 25, 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.