Company lists · Data refreshed October 2026

Top 25 Industrial energy efficiency services worldwide

Name: Industrial energy efficiency services worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 16, 2026 17,487 companies tracked

RevenueBase identified 17,487 company matches for industrial energy efficiency services worldwide as of October 2026 and tracks 267,241 professional contacts across them, including 77,196 with verified work emails. The United States is the largest market and Madrid the largest hub.

This list covers company matches for industrial energy efficiency services 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 16, 2026. Country and city lists for industrial energy efficiency services 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 16, 2026 How this list was built

17,487Companies

267,241Contacts tracked

77,196Verified emails

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The 25 largest industrial energy efficiency services worldwide

Ranked by team size

Top 25 of 17,487 company matches for industrial energy efficiency services worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 16, 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	Worley	Exact match	Sydney, AustraliaHQ recorded Oct 16, 2026	10001+	35,018 contacts →
	Exact match “Worley is a global professional services company of energy, chemicals and resources experts headquartered in Australia.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
2	British GAS	Exact match	Windsor, United KingdomHQ recorded Oct 16, 2026	10001+	9,535 contacts →
	Exact match “Taking care of things.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
3	Dalkia	Exact match	Saint-andré-lez-lille, FranceHQ recorded Oct 16, 2026	10001+	8,823 contacts →
	Exact match “Dalkia : ensemble, relevons le défi climatique!” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
4	Enova By Veolia	Exact match	Dubai, United Arab EmiratesHQ recorded Oct 16, 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 16, 2026 · View company records in RevenueBase
5	FTI	Exact match	Menasha, WI, United StatesHQ recorded Oct 16, 2026	1,001-5,000	2,979 contacts →
	Exact match “Faith Technologies Incorporated (FTI) is a dynamic organization comprised of construction, engineering, manufacturing and renewable energy experts.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
6	Equans Nederland	Exact match	Bunnik, NetherlandsHQ recorded Oct 16, 2026	5,001-10,000	2,429 contacts →
	Exact match “Bij Equans combineren we technische expertise met digitale innovatie voor klanten in de industrie, utiliteit en infrastructuur.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
7	Clearesult	Exact match	Austin, TX, United StatesHQ recorded Oct 16, 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 16, 2026 · View company records in RevenueBase
8	CHINT	Exact match	Shanghai, ChinaHQ recorded Oct 16, 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 16, 2026 · View company records in RevenueBase
9	Vulcain Engineering Group	Exact match	Neuilly-sur-seine, FranceHQ recorded Oct 16, 2026	5,001-10,000	1,643 contacts →
	Exact match “Vulcain Engineering Group is a multi-specialist engineering and consulting group serving industrial companies across the globe, focused on critical sectors: energy, health…” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
10	EKIUM	Exact match	Lyon Cedex 07, FranceHQ recorded Oct 16, 2026	1,001-5,000	1,550 contacts →
	Exact match “Welcome to Ekium!” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
11	Ameresco	Exact match	Framingham, MA, United StatesHQ recorded Oct 16, 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 16, 2026 · View company records in RevenueBase
12	Danfoss Climate Solutions	Exact match	Nordborg, DenmarkHQ recorded Oct 16, 2026	10001+	1,227 contacts →
	Exact match “At Danfoss Climate Solutions, we engineer energy-efficient heating and cooling solutions to help the world get more out of less.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
13	Aden Group	Exact match	SingaporeHQ recorded Oct 16, 2026	10001+	1,203 contacts →
	Exact match “Aden Group is a Euro-Asian enterprise delivering comprehensive solutions to boost decarbonization, productivity and energy transition in the built environment.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
14	GK	Exact match	Oslo, NorwayHQ recorded Oct 16, 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 16, 2026 · View company records in RevenueBase
15	Dalkia UK	Exact match	London, United KingdomHQ recorded Oct 16, 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 16, 2026 · View company records in RevenueBase
16	Penspen	Exact match	London, United KingdomHQ recorded Oct 16, 2026	1,001-5,000	1,056 contacts →
	Exact match “Penspen designs, maintains, and optimises energy infrastructure to improve access to secure and sustainable energy for communities worldwide.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
17	Techem Energy Services Gmbh	Exact match	Eschborn, GermanyHQ recorded Oct 16, 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 16, 2026 · View company records in RevenueBase
18	Willdan	Exact match	Anaheim, CA, United StatesHQ recorded Oct 16, 2026	1,001-5,000	872 contacts →
	Exact match “Willdan (NASDAQ: WLDN) provides professional consulting and technical services to utilities, public agencies and private industry throughout the United States.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
19	Resource Innovations	Exact match	Half Moon Bay, CA, United StatesHQ recorded Oct 16, 2026	501-1,000	774 contacts →
	Exact match “Resource Innovations (RI) is an energy transformation firm.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
20	Inerco	Exact match	Seville, SpainHQ recorded Oct 16, 2026	1,001-5,000	735 contacts →
	Exact match “INERCO is a multinational technology company specialising in sustainability.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
21	Mecwide	Exact match	Barcelos, PortugalHQ recorded Oct 16, 2026	1,001-5,000	678 contacts →
	Exact match “Mecwide is a multidisciplinary industrial engineering company providing EPC (Engineering, Procurement & Construction) solutions and integrated services in metalworking, electrical…” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
22	Enegan	Exact match	Vinci, ItalyHQ recorded Oct 16, 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 16, 2026 · View company records in RevenueBase
23	Soenergy International	Exact match	Doral, FL, United StatesHQ recorded Oct 16, 2026	1,001-5,000	594 contacts →
	Exact match “SoEnergy is a global provider of "energy as a service", ensuring customized solutions for a diverse array of organizations and industries worldwide, such as mining, oil & gas…” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
24	General Energy Management Systems P. LTD	Exact match	New Delhi, IndiaHQ recorded Oct 16, 2026	501-1,000	547 contacts →
	Exact match “General Energy Management Systems Pvt.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
25	3e Engenharia EM Eficiencia Energetica	Exact match	BrazilHQ recorded Oct 16, 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 16, 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 “industrial energy efficiency services”. 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 17,487 industrial energy efficiency services worldwide

See the full list, filter by size, metro and specialty, and access 77,196 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Industrial energy efficiency services worldwide at a glance

As of Oct 16, 2026

28.9%Verified-email coverage

15.3Average contacts per company

1-10Median size (employees)

1.2%Largest-city concentration · Madrid

Oct 16, 2026Page data refreshed

Companies by employee count

1-10

10,448

11-50

5,193

51-200

1,299

201-500

247

501-1,000

1,001-5,000

100

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 industrial energy efficiency services are linked below.
What qualifies: Company records worldwide whose business descriptions match “industrial energy efficiency services” 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 77,196 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 16, 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.

Industrial energy efficiency services by location

83 lists · largest first

Every Industrial energy efficiency services 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 “industrial energy efficiency services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many industrial energy efficiency services are there worldwide?

RevenueBase identified 17,487 company matches for industrial energy efficiency services 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?

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

Which country has the most industrial energy efficiency services?

The United States leads with 2,108 companies, followed by France (1,320) and Italy (1,250). Every industrial energy efficiency services list by country and city is linked on this page.

Which city has the most industrial energy efficiency services?

Madrid leads with 204 company records, followed by Paris (182) and London (141).

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 77,196 professional contacts with verified work emails tracked across these 17,487 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 16, 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.