Company lists · Data refreshed November 2026

Top 25 Energy compliance attorneys worldwide

RevenueBase identified 945 company matches for energy compliance attorneys worldwide as of November 2026 and tracks 8,218 professional contacts across them, including 3,646 with verified work emails. The United States is the largest market and Houston the largest hub.

This list covers company matches for energy compliance attorneys 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 6, 2026. Country and city lists for energy compliance attorneys 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 6, 2026 How this list was built
945Companies
8,218Contacts tracked
3,646Verified emails
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The 25 largest energy compliance attorneys worldwide

Ranked by team size
Top 25 of 945 company matches for energy compliance attorneys worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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 matchPittsburgh, PA, United StatesHQ recorded Nov 6, 2026501-1,0001,261 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 · Nov 6, 2026 · View company records in RevenueBase
2Exact matchBaton Rouge, LA, United StatesHQ recorded Nov 6, 2026201-500481 contacts →

Exact match

“Just as oil and gas must be refined to unlock their true potential, we at Kean Miller continuously optimize our legal approach to help transform business complexities into new…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchWashington, TX, United StatesHQ recorded Nov 6, 202651-200180 contacts →

Exact match

“For nearly 50 years, Van Ness Feldman has been at the forefront of the legal and policy issues shaping the energy, environmental, natural resources, and infrastructure sectors.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchBerlin, GermanyHQ recorded Nov 6, 202651-200118 contacts →

Exact match

“Raue is a corporate law firm with international reach.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchSan Isidro, PeruHQ recorded Nov 6, 202611-50104 contacts →

Exact match

“Somos una firma de servicios legales integrales, ampliamente reconocida como la firma líder en el Perú para el sector energético (electricidad, petróleo y gas).”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchBelo Horizonte, BrazilHQ recorded Nov 6, 202651-20099 contacts →

Exact match

“Além de Belo Horizonte, onde foi fundado, Aroeira Salles Advogados, seus sócios e associados estão em Brasília, Rio de Janeiro, São Paulo, Londres (UK) e Lisboa (PT).”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchLondon, United KingdomHQ recorded Nov 6, 202651-20098 contacts →

Exact match

“We advise on every aspect of the construction process from inception through building to completion and operation.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchHouston, TX, United StatesHQ recorded Nov 6, 202651-20088 contacts →

Exact match

“Oliva Gibbs is a nationally recognized law firm with offices in Columbus, OH, Houston, TX, Lafayette, LA, Midland, TX, Oklahoma City, OK, and San Antonio, TX.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchAustin, TX, United StatesHQ recorded Nov 6, 202651-20087 contacts →

Exact match

“As one of the first environmental law firms founded in Texas, Lloyd Gosselink has continually evolved to meet our clients’ ever-changing and expanding demands in new areas of…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchSantiago, ChileHQ recorded Nov 6, 202651-20082 contacts →

Exact match

“VGC Abogados se ha consolidado como un estudio de abogados líder en materias ambientales y regulatorias.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchNew Cairo, EgyptHQ recorded Nov 6, 202611-5078 contacts →

Exact match

“Sharkawy and Sarhan is a sector-based leading Egyptian law firm, focused on the timely delivery of consistent and reliable high-quality legal advice.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchDenver, WY, United StatesHQ recorded Nov 6, 202651-20066 contacts →

Exact match

“At Beatty & Wozniak, we focus on energy and natural resources law.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchBala Cynwyd, NY, United StatesHQ recorded Nov 6, 202611-5064 contacts →

Exact match

“Manko, Gold, Katcher & Fox, LLP (Manko Gold) is an environmental, energy and land use law firm spanning the full range of regulatory compliance, transactional and litigation…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchSão Paulo, BrazilHQ recorded Nov 6, 202611-5064 contacts →

Exact match

“A Thymos Energia foi desenvolvida para ser líder no seguimento de consultoria e gestão de Energia.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchHouston, TX, United StatesHQ recorded Nov 6, 202611-5063 contacts →

Exact match

“Toeppich and Associates is one of the most recognized firms in the oil and gas industry, with attorneys practicing in all areas of oil and gas law, including title examination…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchKyiv, UkraineHQ recorded Nov 6, 202651-20061 contacts →

Exact match

“WHO WE ARE a TOP-10 law firm in Ukraine.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchDenver, WY, United StatesHQ recorded Nov 6, 202611-5060 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchHelsinki, FinlandHQ recorded Nov 6, 202651-20060 contacts →

Exact match

“LIEKE focuses on energy and construction, dispute resolution, data and technology, and transactions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchHamburg, GermanyHQ recorded Nov 6, 202611-5051 contacts →

Exact match

“Chatham Partners is a law firm that specialises in the energy, infrastructure and complex real estate sectors.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchLudwigsburg, GermanyHQ recorded Nov 6, 202651-20049 contacts →

Exact match

“WOLFF & MÜLLER ENERGY GMBH ist Teil der traditionsreichen Unternehmensgruppe WOLFF & MÜLLER, einem mittelständischen Familienunternehmen mit Stammsitz in Stuttgart.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchWashington, DC, United StatesHQ recorded Nov 6, 2026n/a48 contacts →

Exact match

“John & Hengerer LLP represents and advises energy companies, inlcuding natural gas producers, importers, processors, and marketers; gas and liquids pipeline operators; gas storage…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchMilan, ItalyHQ recorded Nov 6, 202611-5045 contacts →

Exact match

“Excellence, professionalism and passion make us a reference point for our clients in all main areas of law We offer legal assistance and advisory, in and out of court, in many…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchAtlanta, GA, United StatesHQ recorded Nov 6, 202611-5045 contacts →

Exact match

“Kazmarek Mowrey Cloud Laseter LLP (KMCL) is a boutique environmental and energy law firm serving clients nationwide from offices in Atlanta, Birmingham, and Pittsburgh.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchParis, FranceHQ recorded Nov 6, 202611-5042 contacts →

Exact match

“Dans une économie confrontée aux défis environnementaux et sociaux, CGR Avocats se positionne en leader des grandes transitions, qu’elles soient énergétique, industrielle ou…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchMilan, ItalyHQ recorded Nov 6, 202611-5041 contacts →

Exact match

“Emilio Sani and Stefano Zangrando have set up their law firm specifically dedicated to the needs of all operators within the industrial and energy sectors.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 945 energy compliance attorneys worldwide

See the full list, filter by size, metro and specialty, and access 3,646 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Energy compliance attorneys worldwide at a glance

As of Nov 6, 2026
44.4%Verified-email coverage
8.7Average contacts per company
1-10Median size (employees)
2.0%Largest-city concentration · Houston
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
634
11-50
274
51-200
26
201-500
2
501-1,000
1

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 compliance attorneys are linked below.
What qualifies
Company records worldwide whose business descriptions match “energy compliance attorneys” 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 3,646 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 6, 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 compliance attorneys by location

18 lists · largest first

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

How many energy compliance attorneys are there worldwide?

RevenueBase identified 945 company matches for energy compliance attorneys 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?

Buchanan Ingersoll & Rooney PC tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most energy compliance attorneys?

The United States leads with 207 companies, followed by Mexico (72) and Brazil (63). Every energy compliance attorneys list by country and city is linked on this page.

Which city has the most energy compliance attorneys?

Houston leads with 19 company records, followed by London (18) and Sao Paulo (17).

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 3,646 professional contacts with verified work emails tracked across these 945 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 6, 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.