Company lists · Data refreshed October 2026

Top 25 Energy infrastructure o and m companies worldwide

Name: Energy infrastructure o and m companies worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 12, 2026 8,268 companies tracked

RevenueBase identified 8,268 company matches for energy infrastructure o and m companies worldwide as of October 2026 and tracks 655,748 professional contacts across them, including 137,140 with verified work emails. The United States is the largest market and Houston the largest hub.

This list covers company matches for energy infrastructure o and m companies 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 12, 2026. Country and city lists for energy infrastructure o and m companies 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 12, 2026 How this list was built

8,268Companies

655,748Contacts tracked

137,140Verified emails

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The 25 largest energy infrastructure o and m companies worldwide

Ranked by team size

Top 25 of 8,268 company matches for energy infrastructure o and m companies worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 12, 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 Oct 12, 2026	10001+	35,555 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 · Oct 12, 2026 · View company records in RevenueBase
2	Mcdermott International, LTD	Exact match	Houston, TX, United StatesHQ recorded Oct 12, 2026	10001+	21,087 contacts →
	Exact match “McDermott is a premier provider of engineering and construction solutions to the energy industry.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
3	Aker Solutions	Exact match	Fornebu, NorwayHQ recorded Oct 12, 2026	10001+	16,152 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 · Oct 12, 2026 · View company records in RevenueBase
4	Enel Group	Exact match	Rome, ItalyHQ recorded Oct 12, 2026	10001+	15,904 contacts →
	Exact match “We are a multinational company reshaping the future of energy and one of the world’s leading integrated electricity operators.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
5	Petrofac	Exact match	London, United KingdomHQ recorded Oct 12, 2026	5,001-10,000	11,863 contacts →
	Exact match “We are a leading international service provider to the energy industry, with a diverse client portfolio including many of the world’s leading energy companies.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
6	Tecnicas Reunidas	Exact match	Madrid, SpainHQ recorded Oct 12, 2026	10001+	11,378 contacts →
	Exact match “TR is an international general contractor engaged in the engineering and construction of industrial facilities in the fields of-Oil & Gas -Refining & Petrochemical -Power…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
7	KEC International LTD	Exact match	Mumbai, IndiaHQ recorded Oct 12, 2026	5,001-10,000	10,742 contacts →
	Exact match “KEC International Limited, the flagship company of RPG Enterprises is a diversified global infrastructure Engineering, Procurement & Construction (EPC) major, with a presence in…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
8	Tata Power	Exact match	Mumbai, IndiaHQ recorded Oct 12, 2026	10001+	9,453 contacts →
	Exact match “Tata Power is one of India’s largest integrated power companies and together with its subsidiaries and jointly controlled entities, has an installed/managed capacity of 14,294 MW.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
9	Kinder Morgan, INC	Exact match	Houston, TX, United StatesHQ recorded Oct 12, 2026	10001+	8,604 contacts →
	Exact match “Kinder Morgan, Inc.(NYSE: KMI) is one of the largest energy infrastructure companies in North America.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
10	KENT	Exact match	Dubai, United Arab EmiratesHQ recorded Oct 12, 2026	10001+	7,369 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 · Oct 12, 2026 · View company records in RevenueBase
11	Nextera Energy Resources	Exact match	Juno Beach, FL, United StatesHQ recorded Oct 12, 2026	10001+	6,409 contacts →
	Exact match “NextEra Energy Resources, LLC, together with its affiliated entities,("NextEra Energy Resources") is one of the largest energy infrastructure companies in North America.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
12	Lamprell	Exact match	Sharjah, United Arab EmiratesHQ recorded Oct 12, 2026	5,001-10,000	6,375 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 · Oct 12, 2026 · View company records in RevenueBase
13	Power Grid Corporation Of India Limited	Exact match	Gurgaon, IndiaHQ recorded Oct 12, 2026	5,001-10,000	6,120 contacts →
	Exact match “Power Grid Corporation of India Limited (POWERGRID), is a 'Maharatna' Company operating under Ministry of Power, is engaged in power transmission business.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
14	PLN Indonesia Power	Exact match	South Jakarta, IndonesiaHQ recorded Oct 12, 2026	1,001-5,000	5,854 contacts →
	Exact match “PT PLN Indonesia Power, known as PLN-IP, is a sub-holding company of PT PLN (Persero) holding which is conducting electric power generation and other supporting businesses.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
15	Bonatti	Exact match	Parma, United StatesHQ recorded Oct 12, 2026	5,001-10,000	5,233 contacts →
	Exact match “Bonatti is an International Contractor providing services to energy industry with over 75 years of experience.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
16	Aesa A-Evangelista SA	Exact match	Canning, IndiaHQ recorded Oct 12, 2026	5,001-10,000	5,219 contacts →
	Exact match “Since 1948 we specialize in projects for the energy industry.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
17	Grupo Cobra	Exact match	Madrid, SpainHQ recorded Oct 12, 2026	10001+	4,766 contacts →
	Exact match “Grupo Cobra es una compañía global de más de 80 años de experiencia en el sector de la ingeniería industrial aplicada y servicios especializados.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
18	Uniper	Exact match	Düsseldorf, GermanyHQ recorded Oct 12, 2026	5,001-10,000	4,200 contacts →
	Exact match “From gas fields and power stations to international energy markets, Uniper helps keep energy reliable.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
19	AIBEL	Exact match	Stavanger, NorwayHQ recorded Oct 12, 2026	1,001-5,000	3,958 contacts →
	Exact match “Aibel builds and maintains critical infrastructure for the energy sector and is one of the largest supplier companies in Norway.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
20	STORK	Exact match	Utrecht, NetherlandsHQ recorded Oct 12, 2026	10001+	3,942 contacts →
	Exact match “Stork is a global provider of integrated operations, maintenance, modification and asset integrity solutions.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
21	Fieldcore	Exact match	Atlanta, GA, United StatesHQ recorded Oct 12, 2026	10001+	3,666 contacts →
	Exact match “GE Vernova is a planned, purpose-built global energy company that includes Power, Wind, and Electrification businesses and is supported by its accelerator businesses of Advanced…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
22	Enerflex LTD	Exact match	Calgary, CanadaHQ recorded Oct 12, 2026	1,001-5,000	3,304 contacts →
	Exact match “Enerflex is a premier integrated global provider of energy infrastructure and energy transition solutions, deploying natural gas, low-carbon, and treated water solutions – from…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
23	Gran Services S.A	Exact match	Macaé, BrazilHQ recorded Oct 12, 2026	1,001-5,000	3,012 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
24	FTI	Exact match	Menasha, WI, United StatesHQ recorded Oct 12, 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 12, 2026 · View company records in RevenueBase
25	Pearce Services	Exact match	Paso Robles, CA, United StatesHQ recorded Oct 12, 2026	1,001-5,000	2,700 contacts →
	Exact match “PEARCE from CBRE is the largest national independent provider of outsourced repair, maintenance, and engineering services to critical infrastructure in the renewable energy, power…” Recorded in the RevenueBase company graph · Oct 12, 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 infrastructure o and m companies”. 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 8,268 energy infrastructure o and m companies worldwide

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Energy infrastructure o and m companies worldwide at a glance

As of Oct 12, 2026

20.9%Verified-email coverage

79.3Average contacts per company

11-50Median size (employees)

1.2%Largest-city concentration · Houston

Oct 12, 2026Page data refreshed

Companies by employee count

1-10

1,917

11-50

2,803

51-200

1,763

201-500

798

501-1,000

376

1,001-5,000

433

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 infrastructure o and m companies are linked below.
What qualifies: Company records worldwide whose business descriptions match “energy infrastructure o and m companies” 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 137,140 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 12, 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 infrastructure o and m companies by location

49 lists · largest first

Every Energy infrastructure o and m companies 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 infrastructure o and m companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many energy infrastructure o and m companies are there worldwide?

RevenueBase identified 8,268 company matches for energy infrastructure o and m companies 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?

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

Which country has the most energy infrastructure o and m companies?

The United States leads with 952 companies, followed by Brazil (572) and India (530). Every energy infrastructure o and m companies list by country and city is linked on this page.

Which city has the most energy infrastructure o and m companies?

Houston leads with 100 company records, followed by Tehran (91) and Lagos (83).

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 137,140 professional contacts with verified work emails tracked across these 8,268 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 12, 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.