Company lists · Data refreshed September 2026

Top 25 Energy infrastructure law firms worldwide

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

Compiled by the RevenueBase Data Team Data refreshed Sep 28, 2026 8,269 companies tracked

RevenueBase identified 8,269 company matches for energy infrastructure law firms worldwide as of September 2026 and tracks 242,392 professional contacts across them, including 96,516 with verified work emails. The United States is the largest market and Paris the largest hub.

This list covers company matches for energy infrastructure law 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 28, 2026. Country and city lists for energy infrastructure law 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 28, 2026 How this list was built

8,269Companies

242,392Contacts tracked

96,516Verified emails

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The 25 largest energy infrastructure law firms worldwide

Ranked by team size

Top 25 of 8,269 company matches for energy infrastructure law firms worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 28, 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 28, 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 28, 2026 · View company records in RevenueBase
2	A&o Shearman	Exact match	Hamburg, United KingdomHQ recorded Sep 28, 2026	5,001-10,000	6,574 contacts →
	Exact match “A&O Shearman transforms the way law is practiced, to deliver unparalleled results for our clients' most complex matters – everywhere in the world.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
3	Sargent & Lundy	Exact match	Chicago, WY, United StatesHQ recorded Sep 28, 2026	1,001-5,000	4,156 contacts →
	Exact match “Sargent & Lundy is one of the world’s longest-standing full-service architect engineering firms.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
4	Foley & Lardner LLP	Exact match	Milwaukee, WI, United StatesHQ recorded Sep 28, 2026	1,001-5,000	2,884 contacts →
	Exact match “Foley & Lardner LLP stands at the nexus of the Energy & Infrastructure, Health Care & Life Sciences, Innovative Technology, and Manufacturing Sectors.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
5	Simmons & Simmons	Exact match	London, United KingdomHQ recorded Sep 28, 2026	1,001-5,000	2,498 contacts →
	Exact match “An international law firm that acts like your business partner.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
6	Arnold & Porter	Exact match	Washington, DC, United StatesHQ recorded Sep 28, 2026	1,001-5,000	2,333 contacts →
	Exact match “Arnold & Porter combines sophisticated regulatory, litigation, and transactional capabilities to resolve clients’ most complex issues.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
7	Dechert LLP	Exact match	Philadelphia, PA, United StatesHQ recorded Sep 28, 2026	1,001-5,000	2,041 contacts →
	Exact match “Dechert is the law firm that helps business leaders lead.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
8	IMEG	Exact match	Rock Island, IL, United StatesHQ recorded Sep 28, 2026	1,001-5,000	1,985 contacts →
	Exact match “Leaders in Engineering and Innovation.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
9	Trilegal	Exact match	Mumbai, IndiaHQ recorded Sep 28, 2026	1,001-5,000	1,926 contacts →
	Exact match “Trilegal is a leading full-service law firm in India with over 25 years of experience, known for its depth of expertise and client-focused approach.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
10	Troutman Pepper Locke LLP	Exact match	United StatesHQ recorded Sep 28, 2026	1,001-5,000	1,895 contacts →
	Exact match “Troutman Pepper Locke LLP helps clients solve complex legal challenges and achieve their business goals in an ever-changing global economy.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
11	Rotary Engineering	Exact match	SingaporeHQ recorded Sep 28, 2026	5,001-10,000	1,841 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 · Sep 28, 2026 · View company records in RevenueBase
12	Venable LLP	Exact match	Washington, DC, United StatesHQ recorded Sep 28, 2026	1,001-5,000	1,790 contacts →
	Exact match “Committed to Your Success – As a law firm of more than 900 professionals, Venable delivers legal services globally in every area of regulatory compliance, government affairs…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
13	Ballard Spahr LLP	Exact match	Philadelphia, PA, United StatesHQ recorded Sep 28, 2026	1,001-5,000	1,682 contacts →
	Exact match “Ballard Spahr LLP, an Am Law 100 law firm with more than 750 lawyers in 19 U.S.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
14	Haynes And Boone, LLP	Exact match	Dallas, TX, United StatesHQ recorded Sep 28, 2026	1,001-5,000	1,558 contacts →
	Exact match “Haynes Boone is among the fastest-growing firms in the Am Law 100, providing full-service counsel across sectors, including corporate, energy, financial services, real estate…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
15	Corrs Chambers Westgarth	Exact match	Sydney, AustraliaHQ recorded Sep 28, 2026	1,001-5,000	1,506 contacts →
	Exact match “Corrs Chambers Westgarth is Australia’s leading independent law firm.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
16	Partner Engineering & Science, INC	Exact match	Torrance, CA, United StatesHQ recorded Sep 28, 2026	1,001-5,000	1,358 contacts →
	Exact match “Partner Assessment Corp.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
17	NPL Construction CO	Exact match	Phoenix, AZ, United StatesHQ recorded Sep 28, 2026	5,001-10,000	1,358 contacts →
	Exact match “NPL is a nationally recognized leader in energy infrastructure construction, with 50 years of experience.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
18	Ingetec	Exact match	Bogota, ColombiaHQ recorded Sep 28, 2026	1,001-5,000	1,358 contacts →
	Exact match “Ingetec está conformado por un grupo de profesionales con alto nivel de especialización, quienes trabajan dentro de las diferentes gerencias y divisiones que componen la…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
19	Watson Farley & Williams	Exact match	London, United KingdomHQ recorded Sep 28, 2026	1,001-5,000	1,331 contacts →
	Exact match “Watson Farley & Williams is a leading international law firm advising clients operating in the energy, infrastructure and transport sectors.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
20	MINTZ	Exact match	Boston, MA, United StatesHQ recorded Sep 28, 2026	1,001-5,000	1,326 contacts →
	Exact match “Mintz is a full-service law firm serving clients in the life sciences, energy, private equity, and technology industries.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
21	Hunton Andrews Kurth LLP	Exact match	Washington, DC, United StatesHQ recorded Sep 28, 2026	1,001-5,000	1,297 contacts →
	Exact match “For 125 years, Hunton has served clients across the globe with a collaborative and purposeful approach.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
22	Hill Dickinson LLP	Exact match	Liverpool, United KingdomHQ recorded Sep 28, 2026	1,001-5,000	1,231 contacts →
	Exact match “An unpredictable world calls for a progressive-thinking law firm that’s aligned to your ambitions.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
23	Buchanan Ingersoll & Rooney PC	Exact match	Pittsburgh, PA, United StatesHQ recorded Sep 28, 2026	501-1,000	1,197 contacts →
	Exact match “Buchanan Ingersoll & Rooney is a national law firm with a proven reputation for providing progressive, industry-leading legal, business, regulatory and government relations advice…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
24	Bennett Jones	Exact match	Calgary, AB, CanadaHQ recorded Sep 28, 2026	501-1,000	1,144 contacts →
	Exact match “For over a century, Bennett Jones has been an internationally recognized Canadian law firm founded and focused on principles of professional excellence, integrity, respect and…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
25	Shakespeare Martineau	Exact match	Birmingham, United KingdomHQ recorded Sep 28, 2026	1,001-5,000	989 contacts →
	Exact match “Shakespeare Martineau is a leading law firm that brings creativity, commerciality and clarity to complex challenges.” Recorded in the RevenueBase company graph · Sep 28, 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 law 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 8,269 energy infrastructure law firms worldwide

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Energy infrastructure law firms worldwide at a glance

As of Sep 28, 2026

39.8%Verified-email coverage

29.3Average contacts per company

1-10Median size (employees)

2.1%Largest-city concentration · Paris

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

4,724

11-50

2,643

51-200

609

201-500

145

501-1,000

1,001-5,000

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 law firms are linked below.
What qualifies: Company records worldwide whose business descriptions match “energy infrastructure law 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 96,516 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 28, 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 law firms by location

65 lists · largest first

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

How many energy infrastructure law firms are there worldwide?

RevenueBase identified 8,269 company matches for energy infrastructure law 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 law firms?

The United States leads with 1,737 companies, followed by Brazil (656) and France (377). Every energy infrastructure law firms list by country and city is linked on this page.

Which city has the most energy infrastructure law firms?

Paris leads with 174 company records, followed by Sao Paulo (155) and Houston (152).

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 96,516 professional contacts with verified work emails tracked across these 8,269 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 28, 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.