Company lists · Data refreshed September 2026

Top 25 Power management consulting firms worldwide

RevenueBase identified 24,250 power management consulting firms worldwide as of September 2026 and tracks 468,709 professional contacts across them, including 131,808 with verified work emails. The United States is the largest market and Madrid the largest hub.

This list covers power management consulting firms worldwide, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 21, 2026. Country and city lists for power management consulting firms follow the table.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 21, 2026 86% judged on-target in blind review
24,250Companies
468,709Contacts tracked
131,808Verified emails
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The 25 largest power management consulting firms worldwide

Ranked by team size
Top 25 of 24,250 power management consulting firms worldwide, ranked by team size, largest first. Data refreshed Sep 21, 2026. RevenueBase Smart Search rates how each company's information relates to power management consulting firms: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Partial evidenceCork, IrelandHQ checked Sep 21, 202610001+52,736 contacts →

Partial evidence

“Johnson Controls is a global leader in thermal management, mission-critical building systems, energy efficiency and decarbonization.”

Source: RevenueBase Database · checked Sep 21, 2026
2Strong evidenceDublin, GermanyHQ checked Sep 21, 202610001+44,100 contacts →

Strong evidence

“Eaton is an intelligent power management company dedicated to improving the quality of life and protecting the environment for people everywhere.”

Source: RevenueBase Database · checked Sep 21, 2026
3Indirect evidenceSydney, AustraliaHQ checked Sep 21, 202610001+34,763 contacts →

Indirect evidence

“Worley is a global professional services company of energy, chemicals and resources experts headquartered in Australia.”

Source: RevenueBase Database · checked Sep 21, 2026
4Partial evidenceAberdeen, United KingdomHQ checked Sep 21, 202610001+26,949 contacts →

Partial evidence

“Wood is a global leader in consulting and engineering, delivering critical solutions across energy and materials markets.”

Source: RevenueBase Database · checked Sep 21, 2026
5Indirect evidenceWindsor, United KingdomHQ checked Sep 21, 202610001+9,238 contacts →

Indirect evidence

“Taking care of things.”

Source: RevenueBase Database · checked Sep 21, 2026
6Indirect evidenceSaint-andré-lez-lille, FranceHQ checked Sep 21, 202610001+8,427 contacts →

Indirect evidence

“Dalkia : ensemble, relevons le défi climatique!”

Source: RevenueBase Database · checked Sep 21, 2026
7Partial evidenceDubai, United Arab EmiratesHQ checked Sep 21, 202610001+7,045 contacts →

Partial evidence

“We design, build and maintain the assets that power the world for today and make it future-ready for tomorrow.”

Source: RevenueBase Database · checked Sep 21, 2026
8Indirect evidenceChicago, WY, United StatesHQ checked Sep 21, 20261,001-5,0004,156 contacts →

Indirect evidence

“Sargent & Lundy is one of the world’s longest-standing full-service architect engineering firms.”

Source: RevenueBase Database · checked Sep 21, 2026
9Indirect evidenceWaukesha, WI, United StatesHQ checked Sep 21, 20265,001-10,0003,797 contacts →

Indirect evidence

“Generac is the total energy solutions company powering a smarter world.”

Source: RevenueBase Database · checked Sep 21, 2026
10Indirect evidenceMenasha, WI, United StatesHQ checked Sep 21, 20261,001-5,0002,741 contacts →

Indirect evidence

“Faith Technologies Incorporated (FTI) is a dynamic organization comprised of construction, engineering, manufacturing and renewable energy experts.”

Source: RevenueBase Database · checked Sep 21, 2026
11Indirect evidenceBunnik, NetherlandsHQ checked Sep 21, 20265,001-10,0002,457 contacts →

Indirect evidence

“Bij Equans combineren we technische expertise met digitale innovatie voor klanten in de industrie, utiliteit en infrastructuur.”

Source: RevenueBase Database · checked Sep 21, 2026
12Indirect evidenceAustin, TX, United StatesHQ checked Sep 21, 20261,001-5,0002,121 contacts →

Indirect evidence

“CLEAResult is the largest provider of energy efficiency, energy transition and energy sustainability services in North America.”

Source: RevenueBase Database · checked Sep 21, 2026
13Indirect evidenceNanterre, FranceHQ checked Sep 21, 20265,001-10,0001,903 contacts →

Indirect evidence

“With today's global energy sector undergoing constant change, Omexom works with its clients in delivering on the promises of the energy transition.”

Source: RevenueBase Database · checked Sep 21, 2026
14Indirect evidence港区, JapanHQ checked Sep 21, 20265,001-10,0001,900 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 21, 2026
15Partial evidenceKennesaw, GA, United StatesHQ checked Sep 21, 20261,001-5,0001,865 contacts →

Partial evidence

“ENERCON is a multi-discipline engineering and environmental engineering support services firm focused on delivering safe and efficient solutions for the power, data center and…”

Source: RevenueBase Database · checked Sep 21, 2026
16Indirect evidencePlano, TX, United StatesHQ checked Sep 21, 20261,001-5,0001,661 contacts →

Indirect evidence

“At Westwood, our purpose is to create a better world for people through our work.”

Source: RevenueBase Database · checked Sep 21, 2026
17Indirect evidenceNoida, IndiaHQ checked Sep 21, 20261,001-5,0001,572 contacts →

Indirect evidence

“STEAG Energy Services India, established in 2001 as a wholly owned subsidiary of STEAG GmbH, Germany, is now part of the Bluspring Enterprises Limited, India’s integrated…”

Source: RevenueBase Database · checked Sep 21, 2026
18Indirect evidenceIkast, DenmarkHQ checked Sep 21, 20261,001-5,0001,423 contacts →

Indirect evidence

“KK Wind Solutions is a dedicated greentech company with more than 35 years of experience in electrical systems for wind turbines.”

Source: RevenueBase Database · checked Sep 21, 2026
19Indirect evidenceFramingham, MA, United StatesHQ checked Sep 21, 20261,001-5,0001,383 contacts →

Indirect evidence

“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…”

Source: RevenueBase Database · checked Sep 21, 2026
20Indirect evidenceLondon, United KingdomHQ checked Sep 21, 20261,001-5,0001,194 contacts →

Indirect evidence

“Faithful+Gould is now AtkinsRéalis.”

Source: RevenueBase Database · checked Sep 21, 2026
21Indirect evidenceOslo, NorwayHQ checked Sep 21, 20261,001-5,0001,150 contacts →

Indirect evidence

“GK er en ledende teknisk entreprenør og servicepartner.”

Source: RevenueBase Database · checked Sep 21, 2026
22Indirect evidenceSingaporeHQ checked Sep 21, 202610001+1,105 contacts →

Indirect evidence

“Aden Group is a Euro-Asian enterprise delivering comprehensive solutions to boost decarbonization, productivity and energy transition in the built environment.”

Source: RevenueBase Database · checked Sep 21, 2026
23Indirect evidenceLondon, United KingdomHQ checked Sep 21, 20265,001-10,0001,064 contacts →

Indirect evidence

“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…”

Source: RevenueBase Database · checked Sep 21, 2026
24Indirect evidenceLondon, United KingdomHQ checked Sep 21, 20261,001-5,0001,007 contacts →

Indirect evidence

“Penspen designs, maintains, and optimises energy infrastructure to improve access to secure and sustainable energy for communities worldwide.”

Source: RevenueBase Database · checked Sep 21, 2026
25Partial evidenceAnaheim, CA, United StatesHQ checked Sep 21, 20261,001-5,000851 contacts →

Partial evidence

“Willdan (NASDAQ: WLDN) provides professional consulting and technical services to utilities, public agencies and private industry throughout the United States.”

Source: RevenueBase Database · checked Sep 21, 2026

Showing 25 of 24,250 power management consulting firms worldwide

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Power management consulting firms worldwide at a glance

As of Sep 21, 2026
28.1%Verified-email coverage
19.3Average contacts per company
1-10Median size (employees)
1.0%Largest-city concentration · Madrid
Sep 21, 2026Page data refreshed

Companies by employee count

1-10
14,383
11-50
7,326
51-200
1,799
201-500
375
501-1,000
110
1,001-5,000
113
5,001-10,000
15
10001+
28

Email recency is reported on each country list linked below.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among power management consulting firms, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
Coverage
Every country. Country and city lists for power management consulting firms are linked below.
What qualifies
Companies worldwide whose own description of what they do matches “power management consulting firms”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search
RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names power management consulting firms), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude
Companies whose own description does not clearly place them among power management consulting firms, and records with no verified work email.
Match quality
In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 131,808 across the full list. 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 21, 2026. Lists refresh periodically as the graph is re-checked.
Corrections
Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Power management consulting firms by location

100 lists · largest first

Every Power management consulting firms 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 Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names power management consulting firms, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many power management consulting firms are there worldwide?

RevenueBase identified 24,250 power management consulting firms worldwide as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Johnson Controls, headquartered in Milwaukee, tops this list with the largest team on record.

Which country has the most power management consulting firms?

The United States leads with 3,424 companies, followed by Brazil (1,644) and Spain (1,355). Every power management consulting firms list by country and city is linked on this page.

Which city has the most power management consulting firms?

Madrid leads with 244 headquartered companies, followed by London (234) and Sao Paulo (215).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 131,808 verified decision-maker contacts tracked across these 24,250 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 21, 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 Smart Search, 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.