Company lists · Data refreshed November 2026

Top 25 Fossil fuel power consultants worldwide

RevenueBase identified 5,570 company matches for fossil fuel power consultants worldwide as of November 2026 and tracks 225,761 professional contacts across them, including 62,900 with verified work emails. The United States is the largest market and Houston the largest hub.

This list covers company matches for fossil fuel power consultants 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 fossil fuel power consultants 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
5,570Companies
225,761Contacts tracked
62,900Verified emails
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The 25 largest fossil fuel power consultants worldwide

Ranked by team size
Top 25 of 5,570 company matches for fossil fuel power consultants 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 matchSydney, AustraliaHQ recorded Nov 6, 202610001+35,481 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 · Nov 6, 2026 · View company records in RevenueBase
2Exact matchAberdeen, United KingdomHQ recorded Nov 6, 202610001+16,375 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchEpsom, FL, United KingdomHQ recorded Nov 6, 202610001+9,322 contacts →

Exact match

“Atkins is now AtkinsRéalis.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchDubai, United Arab EmiratesHQ recorded Nov 6, 202610001+7,615 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchChicago, NJ, United StatesHQ recorded Nov 6, 20261,001-5,0004,591 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchLas Condes, CanadaHQ recorded Nov 6, 20265,001-10,0003,239 contacts →

Exact match

“Golder was acquired by WSP.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchParsippany, TN, United StatesHQ recorded Nov 6, 20261,001-5,0002,492 contacts →

Exact match

“Langan's client-focused, highly entrepreneurial culture cultivates an environment of opportunities in which career growth and teamwork flourish.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchIssaquah, DE, United StatesHQ recorded Nov 6, 20261,001-5,0002,037 contacts →

Exact match

“NAES is the power generation industry’s largest independent services provider, with more than 40 years of experience managing risk and turning it into profits.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchKennesaw, PA, United StatesHQ recorded Nov 6, 20261,001-5,0002,022 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchPesaro, ItalyHQ recorded Nov 6, 20261,001-5,0001,722 contacts →

Exact match

“Renco S.p.A, an Italian company founded in 1979, is continually committed to providing its Clients with sound business solutions in an ever increasingly complex and challenging…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchNeuilly-sur-seine, FranceHQ recorded Nov 6, 20265,001-10,0001,705 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 · Nov 6, 2026 · View company records in RevenueBase
12Exact matchYokohama, JapanHQ recorded Nov 6, 20265,001-10,0001,702 contacts →

Exact match

“Since its establishment in 1948, Chiyoda's business field has covered the energy sector such as oil and gas industry including energy conservation, and chemicals, environment…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchLyon Cedex 07, FranceHQ recorded Nov 6, 20261,001-5,0001,603 contacts →

Exact match

“Welcome to Ekium!”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchSouthfield, MI, United StatesHQ recorded Nov 6, 20261,001-5,0001,561 contacts →

Exact match

“Atwell is a full-service consulting, engineering and construction services firm that delivers a broad range of creative solutions to clients in the real estate and land…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchn/a10001+1,490 contacts →

Exact match

“Visit the Bechtel Corporation company page Bechtel is one of the most respected global engineering, construction, and project management companies.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchWeymouth, MA, United StatesHQ recorded Nov 6, 20265,001-10,0001,484 contacts →

Exact match

“BHI Energy is an industry-leading provider of specialty services and staffing solutions in support of the daily operations, routine maintenance and capital investment requirements…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchBelvedere, United StatesHQ recorded Nov 6, 20261,001-5,0001,378 contacts →

Exact match

“Knight Piésold is an employee-owned, global consulting firm delivering specialist services to the mining, power, water resources, and infrastructure industries.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchMinneapolis, NV, United StatesHQ recorded Nov 6, 20261,001-5,0001,146 contacts →

Exact match

“Barr provides engineering and environmental consulting services to clients across the Midwest, throughout the Americas, and around the world.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchLondon, United KingdomHQ recorded Nov 6, 20261,001-5,0001,100 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 · Nov 6, 2026 · View company records in RevenueBase
20Exact matchHomestead, PA, United StatesHQ recorded Nov 6, 2026501-1,0001,027 contacts →

Exact match

“Transforming ideas into reality® since 1958, GAI Consultants is an engineering, planning, and environmental consulting firm that provides customized solutions and local expertise…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchAnaheim, CA, United StatesHQ recorded Nov 6, 20261,001-5,000897 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 · Nov 6, 2026 · View company records in RevenueBase
22Exact matchSantiago, ChileHQ recorded Nov 6, 2026501-1,000878 contacts →

Exact match

“We are Pares & Alvarez, our extensive experience and the recognition of our clients makes us one of the leading Engineering Companies in environmental, consulting, engineering and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchTehran, IranHQ recorded Nov 6, 20261,001-5,000814 contacts →

Exact match

“Monenco Iran was formed in 1973 as a joint venture between the private sector of Iran and Montreal Engineering Company of Canada.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchMedellín | Bogotá | Lima | Miami | Nueva Delhi, ColombiaHQ recorded Nov 6, 20261,001-5,000809 contacts →

Exact match

“Over six decades offering our consultancy services locally and internationally, based on ethical principles and commitments, always through honest, socially responsible actions…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchSeville, SpainHQ recorded Nov 6, 20261,001-5,000755 contacts →

Exact match

“INERCO is a multinational technology company specialising in sustainability.”

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

Showing 25 of 5,570 fossil fuel power consultants worldwide

See the full list, filter by size, metro and specialty, and access 62,900 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Fossil fuel power consultants worldwide at a glance

As of Nov 6, 2026
27.9%Verified-email coverage
40.5Average contacts per company
1-10Median size (employees)
1.8%Largest-city concentration · Houston
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
3,187
11-50
1,591
51-200
524
201-500
118
501-1,000
42
1,001-5,000
48
5,001-10,000
8
10001+
15

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 fossil fuel power consultants are linked below.
What qualifies
Company records worldwide whose business descriptions match “fossil fuel power consultants” 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 62,900 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.

Fossil fuel power consultants by location

33 lists · largest first

Every Fossil fuel power consultants 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 “fossil fuel power consultants”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many fossil fuel power consultants are there worldwide?

RevenueBase identified 5,570 company matches for fossil fuel power consultants 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?

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

Which country has the most fossil fuel power consultants?

The United States leads with 1,069 companies, followed by France (288) and Brazil (272). Every fossil fuel power consultants list by country and city is linked on this page.

Which city has the most fossil fuel power consultants?

Houston leads with 100 company records, followed by London (67) and Calgary (57).

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 62,900 professional contacts with verified work emails tracked across these 5,570 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.