Company lists · Data refreshed November 2026

Top 25 Energy systems engineering services worldwide

Name: Energy systems engineering services worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 5, 2026 38,210 companies tracked

RevenueBase identified 38,210 company matches for energy systems engineering services worldwide as of November 2026 and tracks 1,148,688 professional contacts across them, including 314,219 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers company matches for energy systems engineering 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 November 5, 2026. Country and city lists for energy systems engineering 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 Nov 5, 2026 How this list was built

38,210Companies

1,148,688Contacts tracked

314,219Verified emails

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The 25 largest energy systems engineering services worldwide

Ranked by team size

Top 25 of 38,210 company matches for energy systems engineering services worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 5, 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	Saipem	Exact match	Milan, ItalyHQ recorded Nov 5, 2026	10001+	36,899 contacts →
	Exact match “Saipem is a global leader in the engineering and construction of major projects for the energy and infrastructure sectors, both offshore and onshore.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
2	Worley	Exact match	Sydney, AustraliaHQ recorded Nov 5, 2026	10001+	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 5, 2026 · View company records in RevenueBase
3	Stantec	Exact match	Edmonton, AB, CanadaHQ recorded Nov 5, 2026	10001+	30,633 contacts →
	Exact match “Stantec empowers clients, people, and communities to rise to the world’s greatest challenges at a time when the world faces more unprecedented concerns than ever before.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
4	Bechtel Corporation	Exact match	Reston, VA, United StatesHQ recorded Nov 5, 2026	10001+	29,287 contacts →
	Exact match “Bechtel is a trusted engineering, construction and project management partner to industry and government.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
5	Atkinsréalis	Exact match	Montreal, QC, CanadaHQ recorded Nov 5, 2026	10001+	25,123 contacts →
	Exact match “We are a world-class engineering services and nuclear organization.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
6	Mcdermott International, LTD	Exact match	Houston, TX, United StatesHQ recorded Nov 5, 2026	10001+	21,606 contacts →
	Exact match “McDermott is a premier provider of engineering and construction solutions to the energy industry.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
7	Aker Solutions	Exact match	Fornebu, NorwayHQ recorded Nov 5, 2026	10001+	16,534 contacts →
	Exact match “Aker Solutions is a global engineering and technology company known for delivering complex energy projects with trusted quality and predictable results.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
8	WOOD	Exact match	Aberdeen, United KingdomHQ recorded Nov 5, 2026	10001+	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 5, 2026 · View company records in RevenueBase
9	AFRY	Exact match	Stockholm, SwedenHQ recorded Nov 5, 2026	10001+	13,426 contacts →
	Exact match “AFRY is a European leader in engineering, design, and advisory services, with a global reach.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
10	Snc-Lavalin	Exact match	Montreal, ON, CanadaHQ recorded Nov 5, 2026	10001+	10,892 contacts →
	Exact match “SNC Lavalin is now AtkinsRéalis.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
11	British GAS	Exact match	Windsor, United KingdomHQ recorded Nov 5, 2026	10001+	9,964 contacts →
	Exact match “Taking care of things.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
12	Atkins	Exact match	Epsom, FL, United KingdomHQ recorded Nov 5, 2026	10001+	9,322 contacts →
	Exact match “Atkins is now AtkinsRéalis.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
13	Tata Consulting Engineers	Exact match	Mumbai, IndiaHQ recorded Nov 5, 2026	5,001-10,000	8,994 contacts →
	Exact match “Tata Consulting Engineers Limited (TCE) is the largest Indian private sector engineering and project consultancy and an emerging global leader in integrated engineering solutions.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
14	COWI	Exact match	Lyngby, DenmarkHQ recorded Nov 5, 2026	5,001-10,000	7,737 contacts →
	Exact match “Together with customers, partners and colleagues, we shape a future where people and societies grow and flourish.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
15	KENT	Exact match	Dubai, United Arab EmiratesHQ recorded Nov 5, 2026	10001+	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 5, 2026 · View company records in RevenueBase
16	Samsung E&a	Exact match	Gangdong-gu, South KoreaHQ recorded Nov 5, 2026	5,001-10,000	7,517 contacts →
	Exact match “SAMSUNG E&A is one of the world’s leading engineering, procurement, construction and project management (EPC & PM) companies.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
17	Assystem	Exact match	Courbevoie, FranceHQ recorded Nov 5, 2026	5,001-10,000	6,903 contacts →
	Exact match “Assystem, one of the world's leading independent nuclear engineering companies, is committed to accelerating the energy transition.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
18	AYESA	Exact match	Seville, SpainHQ recorded Nov 5, 2026	10001+	6,529 contacts →
	Exact match “Ayesa is a global provider of technology and engineering services with more than 11500 employees in twenty-three countries across Europe, Latin America, Africa and Asia.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
19	Lamprell	Exact match	Sharjah, United Arab EmiratesHQ recorded Nov 5, 2026	5,001-10,000	6,498 contacts →
	Exact match “With 50 years of experience, Lamprell is a key player in the global offshore wind and oil & gas markets, delivering high-quality, complex energy infrastructure projects.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
20	Mortenson	Exact match	Minneapolis, CO, United StatesHQ recorded Nov 5, 2026	5,001-10,000	6,069 contacts →
	Exact match “Mortenson is a U.S-based, top-10 builder, developer and provider of energy and engineering services committed to helping organizations move their strategies forward.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
21	Seatrium	Exact match	United StatesHQ recorded Nov 5, 2026	10001+	5,162 contacts →
	Exact match “A Premier Global Player with Deep Engineering Expertise in the offshore, marine and energy industries Engineering our Future Together.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
22	Sargent & Lundy	Exact match	Chicago, NJ, United StatesHQ recorded Nov 5, 2026	1,001-5,000	4,591 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 5, 2026 · View company records in RevenueBase
23	Proing	Exact match	Yumbo, ColombiaHQ recorded Nov 5, 2026	1,001-5,000	3,760 contacts →
	Exact match “Basados en nuestros talentos y buena actitud, desarrollamos la ingeniería para brindar un mejor presente y futuro.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
24	SMEC	Exact match	North Sydney, AustraliaHQ recorded Nov 5, 2026	5,001-10,000	3,748 contacts →
	Exact match “SMEC is a global engineering, management and development consultancy with a 70-year history of delivering advanced solutions on a global scale across urban development…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
25	Ortec Group	Exact match	Aix-en-provence, FranceHQ recorded Nov 5, 2026	10001+	3,602 contacts →
	Exact match “En conjuguant depuis sa création audace et rigueur, le groupe Ortec est devenu aujourd’hui un des leaders des services à l’industrie, l’énergie et l’environnement.” Recorded in the RevenueBase company graph · Nov 5, 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 systems engineering 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 38,210 energy systems engineering services worldwide

See the full list, filter by size, metro and specialty, and access 314,219 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Energy systems engineering services worldwide at a glance

As of Nov 5, 2026

27.4%Verified-email coverage

30.1Average contacts per company

11-50Median size (employees)

0.7%Largest-city concentration · Sao Paulo

Nov 5, 2026Page data refreshed

Companies by employee count

1-10

18,739

11-50

12,785

51-200

4,228

201-500

1,117

501-1,000

443

1,001-5,000

350

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 systems engineering services are linked below.
What qualifies: Company records worldwide whose business descriptions match “energy systems engineering 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 314,219 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 5, 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 systems engineering services by location

218 lists · largest first

Every Energy systems engineering 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 “energy systems engineering services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many energy systems engineering services are there worldwide?

RevenueBase identified 38,210 company matches for energy systems engineering services 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?

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

Which country has the most energy systems engineering services?

The United States leads with 3,783 companies, followed by Brazil (2,482) and Italy (2,273). Every energy systems engineering services list by country and city is linked on this page.

Which city has the most energy systems engineering services?

Sao Paulo leads with 282 company records, followed by London (275) and Houston (260).

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 314,219 professional contacts with verified work emails tracked across these 38,210 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 5, 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.