Company lists · Data refreshed September 2026

Top 25 Energy infrastructure consulting firms worldwide

Name: Energy infrastructure consulting firms worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 21, 2026 45,115 companies tracked

RevenueBase identified 45,115 company matches for energy infrastructure consulting firms worldwide as of September 2026 and tracks 1,497,863 professional contacts across them, including 420,160 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for energy infrastructure consulting firms 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 September 21, 2026. Country and city lists for energy infrastructure consulting firms 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 Sep 21, 2026 How this list was built

45,115Companies

1,497,863Contacts tracked

420,160Verified emails

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The 25 largest energy infrastructure consulting firms worldwide

Ranked by team size

Top 25 of 45,115 company matches for energy infrastructure consulting firms worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 21, 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	AECOM	Exact match	Dallas, TX, United StatesHQ recorded Sep 21, 2026	10001+	63,914 contacts →
	Exact match “AECOM is the global infrastructure leader, committed to delivering a better world.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
2	Worley	Exact match	Sydney, AustraliaHQ recorded Sep 21, 2026	10001+	34,763 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 · Sep 21, 2026 · View company records in RevenueBase
3	Saipem	Exact match	Milan, ItalyHQ recorded Sep 21, 2026	10001+	34,095 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 · Sep 21, 2026 · View company records in RevenueBase
4	Stantec	Exact match	Edmonton, AB, CanadaHQ recorded Sep 21, 2026	10001+	28,416 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 · Sep 21, 2026 · View company records in RevenueBase
5	Acciona	Exact match	Madrid, SpainHQ recorded Sep 21, 2026	10001+	27,028 contacts →
	Exact match “ACCIONA champions a different way of doing business: Business as Unusual, delivering benefits far beyond the corporate realm.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
6	WOOD	Exact match	Aberdeen, United KingdomHQ recorded Sep 21, 2026	10001+	26,949 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 · Sep 21, 2026 · View company records in RevenueBase
7	Bechtel Corporation	Exact match	Reston, VA, United StatesHQ recorded Sep 21, 2026	10001+	25,068 contacts →
	Exact match “Bechtel is a trusted engineering, construction and project management partner to industry and government.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
8	Atkinsréalis	Exact match	Montreal, QC, CanadaHQ recorded Sep 21, 2026	10001+	22,733 contacts →
	Exact match “We are a world-class engineering services and nuclear organization.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
9	Mcdermott International, LTD	Exact match	Houston, TX, United StatesHQ recorded Sep 21, 2026	10001+	20,135 contacts →
	Exact match “McDermott is a premier provider of engineering and construction solutions to the energy industry.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
10	Technipfmc	Exact match	Newcastle Upon Tyne, United KingdomHQ recorded Sep 21, 2026	10001+	19,907 contacts →
	Exact match “TechnipFMC is a leading technology provider to the traditional and new energies industry, delivering fully integrated projects, products, and services.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
11	Aker Solutions	Exact match	Fornebu, NorwayHQ recorded Sep 21, 2026	10001+	15,774 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 · Sep 21, 2026 · View company records in RevenueBase
12	Tata Projects	Exact match	Mumbai, IndiaHQ recorded Sep 21, 2026	1,001-5,000	14,384 contacts →
	Exact match “Tata Projects is one of the most admired Technology led Engineering, Procurement and Construction (EPC) companies in India.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
13	Petrofac	Exact match	London, United KingdomHQ recorded Sep 21, 2026	5,001-10,000	13,261 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 · Sep 21, 2026 · View company records in RevenueBase
14	AFRY	Exact match	Stockholm, SwedenHQ recorded Sep 21, 2026	10001+	12,850 contacts →
	Exact match “AFRY is a European leader in engineering, design, and advisory services, with a global reach.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
15	KEC International LTD	Exact match	Mumbai, IndiaHQ recorded Sep 21, 2026	5,001-10,000	10,868 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 · Sep 21, 2026 · View company records in RevenueBase
16	Black & Veatch	Exact match	Overland Park, KS, United StatesHQ recorded Sep 21, 2026	10001+	10,851 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
17	Tecnicas Reunidas	Exact match	Madrid, SpainHQ recorded Sep 21, 2026	10001+	10,588 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 · Sep 21, 2026 · View company records in RevenueBase
18	Snc-Lavalin	Exact match	Montreal, QC, CanadaHQ recorded Sep 21, 2026	10001+	9,992 contacts →
	Exact match “SNC Lavalin is now AtkinsRéalis.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
19	Atkins	Exact match	Epsom, United KingdomHQ recorded Sep 21, 2026	10001+	9,297 contacts →
	Exact match “Atkins is now AtkinsRéalis.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
20	British GAS	Exact match	Windsor, United KingdomHQ recorded Sep 21, 2026	10001+	9,238 contacts →
	Exact match “Taking care of things.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
21	Tata Consulting Engineers	Exact match	Mumbai, IndiaHQ recorded Sep 21, 2026	5,001-10,000	8,440 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 · Sep 21, 2026 · View company records in RevenueBase
22	Dalkia	Exact match	Saint-andré-lez-lille, FranceHQ recorded Sep 21, 2026	10001+	8,427 contacts →
	Exact match “Dalkia : ensemble, relevons le défi climatique!” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
23	Ch2m	Exact match	Englewood, CO, United StatesHQ recorded Sep 21, 2026	10001+	8,088 contacts →
	Exact match “CH2M is now Jacobs.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
24	KENT	Exact match	Dubai, United Arab EmiratesHQ recorded Sep 21, 2026	10001+	7,045 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 · Sep 21, 2026 · View company records in RevenueBase
25	Assystem	Exact match	Courbevoie, FranceHQ recorded Sep 21, 2026	5,001-10,000	6,518 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 · Sep 21, 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 consulting firms”. 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 45,115 energy infrastructure consulting firms worldwide

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Energy infrastructure consulting firms worldwide at a glance

As of Sep 21, 2026

28.1%Verified-email coverage

33.2Average contacts per company

1-10Median size (employees)

1.2%Largest-city concentration · London

Sep 21, 2026Page data refreshed

Companies by employee count

1-10

22,886

11-50

14,097

51-200

5,092

201-500

1,523

501-1,000

548

1,001-5,000

588

5,001-10,000

10001+

111

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 consulting firms are linked below.
What qualifies: Company records worldwide whose business descriptions match “energy infrastructure consulting firms” 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 420,160 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 September 21, 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 consulting firms by location

177 lists · largest first

Every Energy infrastructure 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 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 consulting firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many energy infrastructure consulting firms are there worldwide?

RevenueBase identified 45,115 company matches for energy infrastructure consulting firms worldwide as of September 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?

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

Which country has the most energy infrastructure consulting firms?

The United States leads with 6,097 companies, followed by Brazil (2,891) and India (2,270). Every energy infrastructure consulting firms list by country and city is linked on this page.

Which city has the most energy infrastructure consulting firms?

London leads with 549 company records, followed by Houston (513) and Sao Paulo (409).

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 420,160 professional contacts with verified work emails tracked across these 45,115 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 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 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.