Company lists · Data refreshed September 2026

Top 25 Enterprise energy auditing services worldwide

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

Compiled by the RevenueBase Data Team Data refreshed Sep 28, 2026 8,957 companies tracked

RevenueBase identified 8,957 company matches for enterprise energy auditing services worldwide as of September 2026 and tracks 78,725 professional contacts across them, including 21,849 with verified work emails. The United States is the largest market and Madrid the largest hub.

This list covers company matches for enterprise energy auditing 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 September 28, 2026. Country and city lists for enterprise energy auditing 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 Sep 28, 2026 How this list was built

8,957Companies

78,725Contacts tracked

21,849Verified emails

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The 25 largest enterprise energy auditing services worldwide

Ranked by team size

Top 25 of 8,957 company matches for enterprise energy auditing services worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 28, 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 Sep 28, 2026	10001+	9,238 contacts →
	Exact match “Taking care of things.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
2	Clearesult	Exact match	Austin, TX, United StatesHQ recorded Sep 28, 2026	1,001-5,000	2,121 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 · Sep 28, 2026 · View company records in RevenueBase
3	Willdan	Exact match	Anaheim, CA, United StatesHQ recorded Sep 28, 2026	1,001-5,000	851 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 · Sep 28, 2026 · View company records in RevenueBase
4	Enegan	Exact match	Vinci, ItalyHQ recorded Sep 28, 2026	201-500	655 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 · Sep 28, 2026 · View company records in RevenueBase
5	General Energy Management Systems P. LTD	Exact match	New Delhi, IndiaHQ recorded Sep 28, 2026	501-1,000	540 contacts →
	Exact match “General Energy Management Systems Pvt.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
6	Revergy	Exact match	Seville, SpainHQ recorded Sep 28, 2026	501-1,000	502 contacts →
	Exact match “REVERGY nace mediante un proyecto de profesionales procedentes de diferentes ámbitos del sector de las energías renovables con el fin de presentar un proyecto marcado por la…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
7	Veolia Industries Global Solutions	Exact match	Aubervilliers, FranceHQ recorded Sep 28, 2026	1,001-5,000	460 contacts →
	Exact match “Veolia Industries Global Solutions est devenu Veolia Energie Performance depuis le 1er juin 2025.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
8	BECIS	Exact match	SingaporeHQ recorded Sep 28, 2026	201-500	393 contacts →
	Exact match “BECIS is a leading Energy as a Service (EaaS) provider to high-quality commercial and industrial customers.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
9	International Energy Services Limited	Exact match	Lagos, NigeriaHQ recorded Sep 28, 2026	201-500	389 contacts →
	Exact match “International Energy Services Limited (IESL) – Key Company Information IESL was registered in Nigeria in 1990 as an indigenous energy services company.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
10	TRIO	Exact match	Irvine, CA, United StatesHQ recorded Sep 28, 2026	201-500	383 contacts →
	Exact match “We are Trio – built from Edison Energy, Alfa Energy, and Altenex Energy.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
11	Budderfly	Exact match	Shelton, CT, United StatesHQ recorded Sep 28, 2026	201-500	366 contacts →
	Exact match “Budderfly is redefining how energy efficiency, resilience, and grid participation can work together across America’s commercial sector.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
12	ترشيد Tarshid	Exact match	Riyadh, Saudi ArabiaHQ recorded Sep 28, 2026	201-500	342 contacts →
	Exact match “The National Energy Services Company (TARSHID) is a national company wholly owned by the Public Investment Fund (PIF).” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
13	NUS Consulting Group	Exact match	Park Ridge, NJ, United StatesHQ recorded Sep 28, 2026	201-500	336 contacts →
	Exact match “National Utility Service, Inc.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
14	Cascade Energy	Exact match	Portland, OR, United StatesHQ recorded Sep 28, 2026	201-500	288 contacts →
	Exact match “At Cascade Energy, we believe in better.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
15	Deode Energia	Exact match	Juiz De Fora, BrazilHQ recorded Sep 28, 2026	201-500	280 contacts →
	Exact match “A DEODE Energia foi fundada em 2012 proveniente da HF Energy.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
16	Prime Energy	Exact match	Sao Paulo, BrazilHQ recorded Sep 28, 2026	51-200	225 contacts →
	Exact match “Empresa voltada a projetos de Otimização e Eficiêntização no uso da energia elétrica.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
17	D2o	Exact match	Jaipur, IndiaHQ recorded Sep 28, 2026	51-200	217 contacts →
	Exact match “Design2Occupancy Services LLP (D2O) is a leading organization providing a platform and solutions in Energy Efficiency Analysis and Energy Code Compliances, Climate Change…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
18	PEG	Exact match	Fairfax, VA, United StatesHQ recorded Sep 28, 2026	201-500	214 contacts →
	Exact match “PEG presents a comprehensive capacity for the evaluation and understanding of a broad base of energy and environmental sustainability related programs, policies and initiatives.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
19	Dalkia Energy Solutions	Exact match	Beverly, MA, United StatesHQ recorded Sep 28, 2026	201-500	210 contacts →
	Exact match “Dalkia Energy Solutions, a subsidiary of the EDF (Électricité de France) Group, is a national leader in energy efficiency and sustainability for commercial, industrial, and…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
20	Ex'im	Exact match	La Madeleine, FranceHQ recorded Sep 28, 2026	201-500	207 contacts →
	Exact match “Depuis plus de 20 ans, EX’IM s’engage dans la transition énergétique pour adapter les bâtiments (logements, entreprises, collectivités) aux enjeux de demain.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
21	Bright Power	Exact match	New York, NY, United StatesHQ recorded Sep 28, 2026	51-200	205 contacts →
	Exact match “Bright Power is a leading provider of energy efficiency and decarbonization solutions for the real estate industry.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
22	Motive Energy	Exact match	Orange County, CA, United StatesHQ recorded Sep 28, 2026	201-500	203 contacts →
	Exact match “Motive Energy transforms how businesses source, store, convert, move, and manage their energy through end-to-end solutions that empower customers to take control of their energy.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
23	Energy Management Collaborative EMC	Exact match	Minneapolis, MN, United StatesHQ recorded Sep 28, 2026	201-500	193 contacts →
	Exact match “EMC manages and scales turnkey energy efficiency solutions for Fortune 500 clients across their North American portfolios.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
24	Kontek Enerji̇	Exact match	İzmir, TürkiyeHQ recorded Sep 28, 2026	51-200	190 contacts →
	Exact match “In the renewable energy sector and every area of industry, we combine energy production and savings solutions with digital automation, visualization-reporting technologies, and…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
25	NBI SPA	Exact match	Bologna, ItalyHQ recorded Sep 28, 2026	501-1,000	184 contacts →
	Exact match “Belonging to Italian industrial giant Webuild Group, NBI develops turnkey projects and provides expert advice and intervention with regard to plant design and energy services…” Recorded in the RevenueBase company graph · Sep 28, 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 “enterprise energy auditing 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 8,957 enterprise energy auditing services worldwide

See the full list, filter by size, metro and specialty, and access 21,849 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Enterprise energy auditing services worldwide at a glance

As of Sep 28, 2026

27.8%Verified-email coverage

8.8Average contacts per company

1-10Median size (employees)

1.3%Largest-city concentration · Madrid

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

5,835

11-50

2,406

51-200

504

201-500

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 enterprise energy auditing services are linked below.
What qualifies: Company records worldwide whose business descriptions match “enterprise energy auditing 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 21,849 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 September 28, 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.

Enterprise energy auditing services by location

38 lists · largest first

Every Enterprise energy auditing 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 “enterprise energy auditing services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many enterprise energy auditing services are there worldwide?

RevenueBase identified 8,957 company matches for enterprise energy auditing services worldwide as of September 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 enterprise energy auditing services?

The United States leads with 1,135 companies, followed by Spain (661) and France (630). Every enterprise energy auditing services list by country and city is linked on this page.

Which city has the most enterprise energy auditing services?

Madrid leads with 114 company records, followed by Paris (92) and London (81).

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 21,849 professional contacts with verified work emails tracked across these 8,957 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 September 28, 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.