Company lists · Data refreshed October 2026

Top 25 Critical infrastructure energy consultants worldwide

RevenueBase identified 12,046 company matches for critical infrastructure energy consultants worldwide as of October 2026 and tracks 376,124 professional contacts across them, including 108,667 with verified work emails. The United States is the largest market and Houston the largest hub.

This list covers company matches for critical infrastructure energy 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 October 10, 2026. Country and city lists for critical infrastructure energy 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 Oct 10, 2026 How this list was built
12,046Companies
376,124Contacts tracked
108,667Verified emails
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The 25 largest critical infrastructure energy consultants worldwide

Ranked by team size
Top 25 of 12,046 company matches for critical infrastructure energy consultants worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 10, 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 matchMontreal, QC, CanadaHQ recorded Oct 10, 202610001+24,297 contacts →

Exact match

“We are a world-class engineering services and nuclear organization.”

Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
2Exact matchHouston, TX, United StatesHQ recorded Oct 10, 202610001+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 10, 2026 · View company records in RevenueBase
3Exact matchAberdeen, United KingdomHQ recorded Oct 10, 202610001+16,351 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 · Oct 10, 2026 · View company records in RevenueBase
4Exact matchOverland Park, KS, United StatesHQ recorded Oct 10, 202610001+11,438 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
5Exact matchMontreal, QC, CanadaHQ recorded Oct 10, 202610001+9,694 contacts →

Exact match

“SNC Lavalin is now AtkinsRéalis.”

Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
6Exact matchEpsom, United KingdomHQ recorded Oct 10, 202610001+9,147 contacts →

Exact match

“Atkins is now AtkinsRéalis.”

Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
7Exact matchDubai, United Arab EmiratesHQ recorded Oct 10, 202610001+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 10, 2026 · View company records in RevenueBase
8Exact matchChicago, United StatesHQ recorded Oct 10, 20261,001-5,0004,341 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
9Exact matchDallas, TX, United StatesHQ recorded Oct 10, 202610001+4,166 contacts →

Exact match

“Primoris Services Corporation (NYSE: PRIM) is a leading provider of critical infrastructure services to the utility, energy, and renewables markets throughout the United States…”

Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
10Exact matchLisle, IL, United StatesHQ recorded Oct 10, 20261,001-5,0003,020 contacts →

Exact match

“ENTRUST Solutions Group, an ENR Top 100 company, provides comprehensive and dependable engineering, consulting, and automation services to pipeline companies, gas and electric…”

Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
11Exact matchMenasha, WI, United StatesHQ recorded Oct 10, 20261,001-5,0002,979 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 10, 2026 · View company records in RevenueBase
12Exact matchBusseto, ItalyHQ recorded Oct 10, 202610001+2,480 contacts →

Exact match

“SICIM is a leading Worldwide EPC Contractor since 1962, offering all kinds of services related to the production, treatment and transportation of traditional energy sources and…”

Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
13Exact matchBelo Horizonte, BrazilHQ recorded Oct 10, 202610001+2,327 contacts →

Exact match

“Fundada em abril de em Belo Horizonte (MG), a Tabocas é referência nacional na modalidade EPC Full, dentro dos setores de construção e engenharia civil, com foco de atuação na…”

Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
14Exact matchHyderabad, IndiaHQ recorded Oct 10, 202610001+2,273 contacts →

Exact match

“As one of India's rapidly emerging business entities, LANCO Infratech Limited has been driving growth in the domains of Engineering, Procurement and Construction (EPC), Power…”

Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
15Exact matchAustin, TX, United StatesHQ recorded Oct 10, 20261,001-5,0002,206 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 · Oct 10, 2026 · View company records in RevenueBase
16Exact match港区, JapanHQ recorded Oct 10, 20265,001-10,0002,164 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
17Exact matchNanterre, FranceHQ recorded Oct 10, 20265,001-10,0002,023 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
18Exact matchKennesaw, GA, United StatesHQ recorded Oct 10, 20261,001-5,0001,980 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 · Oct 10, 2026 · View company records in RevenueBase
19Exact matchSingaporeHQ recorded Oct 10, 20265,001-10,0001,964 contacts →

Exact match

“Founded 1972 in Singapore, Rotary Engineering is your Strategic Energy Partner providing Integrated Infrastructure Solutions with a sustainability focus.”

Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
20Exact matchGurgaon, IndiaHQ recorded Oct 10, 20265,001-10,0001,888 contacts →

Exact match

“Feedback Infra is India’s leading infrastructure services company with interests across sectors like transportation, energy and urban infrastructure.”

Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
21Exact matchPlano, TX, United StatesHQ recorded Oct 10, 20261,001-5,0001,801 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
22Exact matchStockport, United KingdomHQ recorded Oct 10, 20261,001-5,0001,709 contacts →

Exact match

“OCU provides end-to-end infrastructure engineering in the utilities, digital, and energy markets, specialising in safely and efficiently delivering complex client requirements.”

Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
23Exact matchPesaro, ItalyHQ recorded Oct 10, 20261,001-5,0001,534 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 · Oct 10, 2026 · View company records in RevenueBase
24Exact matchFramingham, MA, United StatesHQ recorded Oct 10, 20261,001-5,0001,513 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
25Exact matchCairo, EgyptHQ recorded Oct 10, 20261,001-5,0001,462 contacts →

Exact match

“An integrated energy solutions -design and build- provider specialized in Power Generation, Water Treatment and Hydropower while currently diversifying our business segments to…”

Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase

Showing 25 of 12,046 critical infrastructure energy consultants worldwide

See the full list, filter by size, metro and specialty, and access 108,667 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Critical infrastructure energy consultants worldwide at a glance

As of Oct 10, 2026
28.9%Verified-email coverage
31.2Average contacts per company
1-10Median size (employees)
1.4%Largest-city concentration · Houston
Oct 10, 2026Page data refreshed

Companies by employee count

1-10
6,705
11-50
3,455
51-200
1,195
201-500
317
501-1,000
124
1,001-5,000
151
5,001-10,000
21
10001+
34

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 critical infrastructure energy consultants are linked below.
What qualifies
Company records worldwide whose business descriptions match “critical infrastructure energy 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 108,667 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 10, 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.

Critical infrastructure energy consultants by location

64 lists · largest first

Every Critical infrastructure energy 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 “critical infrastructure energy consultants”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many critical infrastructure energy consultants are there worldwide?

RevenueBase identified 12,046 company matches for critical infrastructure energy consultants 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?

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

Which country has the most critical infrastructure energy consultants?

The United States leads with 2,356 companies, followed by Germany (660) and the United Kingdom (594). Every critical infrastructure energy consultants list by country and city is linked on this page.

Which city has the most critical infrastructure energy consultants?

Houston leads with 166 company records, followed by London (162) and Madrid (99).

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 108,667 professional contacts with verified work emails tracked across these 12,046 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 10, 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.