Company lists · Data refreshed September 2026
Top 25 Energy companies worldwide
RevenueBase identified 6,729 energy companies worldwide as of September 2026 and tracks 1,930,347 professional contacts across them, including 498,734 with verified work emails and 218,607 with mobile numbers. The United States is the largest market and Houston the largest hub.
This list covers energy companies worldwide, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 6, 2026. Country and city lists for energy companies follow the table.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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.
The 25 largest energy companies worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 115,863 contacts → | ||||
Strong evidence “Shell is a global group of energy and petrochemical companies, employing people across 70+ countries.” Source: RevenueBase Database · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 2 | 111,637 contacts → | ||||
Strong evidence “We’re a leading producer of the energy and chemicals that drive global commerce and enhance the daily lives of people around the globe by continuing delivering an uninterrupted…” Source: RevenueBase Database · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 3 | 64,331 contacts → | ||||
Indirect evidence “Have you ever thought of offering your skills and expertise to a multinational company?” Source: RevenueBase Database · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 4 | 60,138 contacts → | ||||
Indirect evidence “Our greatest resource is our people.” Source: RevenueBase Database · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 5 | 46,587 contacts → | ||||
Strong evidence “Siemens Energy is one of the world’s leading energy technology companies.” Source: RevenueBase Database · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 6 | 45,023 contacts → | ||||
Indirect evidence “Estamos em uma pausa temporária de conteúdo, devido ao período de defeso eleitoral, conforme a Lei 9.504/1997.” Source: RevenueBase Database · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 7 | 35,924 contacts → | ||||
Indirect evidence “Petróleos Mexicanos es la mayor empresa de México, el mayor contribuyente fiscal del país, así como una de las empresas más grandes de América Latina.” Source: RevenueBase Database · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 8 | 31,976 contacts → | ||||
Strong evidence “Dominion Energy (NYSE: D), headquartered in Richmond, Va, provides regulated electricity service to 3.6 million homes and businesses in Virginia, North Carolina, and South…” Source: RevenueBase Database · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 9 | 29,528 contacts → | ||||
Strong evidence “GE Vernova is a purpose-built energy technology company on a mission to electrify to thrive and decarbonize the world.” Source: RevenueBase Database · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 10 | 28,428 contacts → | ||||
Strong evidence “Weatherford International plc (Nasdaq: WFRD) is a leading global energy services company.” Source: RevenueBase Database · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 11 | 28,095 contacts → | ||||
Strong evidence “Petroliam Nasional Berhad (PETRONAS) is a leading global energy company committed to powering society’s progress in a responsible and sustainable manner.” Source: RevenueBase Database · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 12 | 25,939 contacts → | ||||
Strong evidence “We are one of the world's leading energy producers, and a primary catalyst for Abu Dhabi’s growth and diversification.” Source: RevenueBase Database · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 13 | 24,500 contacts → | ||||
Strong evidence “Duke Energy, a Fortune 150 company headquartered in Charlotte, N.C, is one of America’s largest energy holding companies.” Source: RevenueBase Database · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 14 | 24,403 contacts → | ||||
Strong evidence “We power the lives of millions of people across Britain, New York and Massachusetts, moving energy from where it’s made to the communities that need it, every single day.” Source: RevenueBase Database · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 15 | 21,622 contacts → | ||||
Strong evidence “We are one of Europe's largest energy companies with the business areas of energy networks, energy infrastructure solutions and energy sales.” Source: RevenueBase Database · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 16 | 20,955 contacts → | ||||
Strong evidence “We are an integrated energy company.” Source: RevenueBase Database · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 17 | 20,038 contacts → | ||||
Strong evidence “Eni is an integrated energy company, founded in 1953, with 31.376 employees in 69 countries around the world, including Algeria, Angola, Mozambique, Mexico, Indonesia and Italy.” Source: RevenueBase Database · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 18 | 19,588 contacts → | ||||
Indirect evidence “NTPC Limited is India’s largest power generation utility with roots planted way back in 1975 to accelerate power development in India.” Source: RevenueBase Database · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 19 | 18,628 contacts → | ||||
Strong evidence “Fortune Global 500 Company, Bharat Petroleum is the second largest Indian Oil Marketing Company and one of the premier integrated energy companies in India, engaged in refining of…” Source: RevenueBase Database · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 20 | 16,245 contacts → | ||||
Strong evidence “Oxy is an international energy company that produces, markets and transports oil and natural gas to maximize value and provide resources fundamental to life.” Source: RevenueBase Database · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 21 | 16,095 contacts → | ||||
Strong evidence “GE Power, part of GE Vernova, is a world energy leader that provides technology, solutions and services across the entire energy value chain from the point of generation to…” Source: RevenueBase Database · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 22 | 15,828 contacts → | ||||
Strong evidence “We are a global oil and gas company tasked with an important job-to safely find and deliver energy for the world.” Source: RevenueBase Database · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 23 | 15,774 contacts → | ||||
Strong evidence “Aker Solutions is a global engineering and technology company known for delivering complex energy projects with trusted quality and predictable results.” Source: RevenueBase Database · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 24 | 15,726 contacts → | ||||
Strong evidence “We are a multinational company reshaping the future of energy and one of the world’s leading integrated electricity operators.” Source: RevenueBase Database · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 25 | 15,722 contacts → | ||||
Indirect evidence “Maharatna ONGC is the largest producer of crude oil and natural gas in India, contributing around 70 per cent of Indian domestic production.” Source: RevenueBase Database · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: energy companies. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names energy companies.
- Partial evidence
- Its own public description names part of energy companies, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name energy companies. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 6,729 energy companies worldwide
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Energy companies worldwide at a glance
As of Sep 6, 2026Companies by employee count
How this list was built
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among energy companies, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
- Coverage
- 39 countries, largest first: the United States, Germany, Italy, the United Kingdom, Spain, Brazil, France, India, Türkiye, Canada and 29 more. Country and city lists for energy companies are linked below.
- What qualifies
- Companies worldwide whose own description of what they do matches “energy companies”. Matching reads each company's description, not its industry code or its name.
- RevenueBase Smart Search
- RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names energy companies), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
- What we exclude
- Companies whose own description does not clearly place them among energy companies, and records with no verified work email.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- 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 listed company carries at least one verified work email, 498,734 across the full list. 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 between September 6, 2026 and September 14, 2026. Lists refresh periodically as the graph is re-checked.
- Corrections
- Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.
Energy companies by location
51 lists · largest firstEvery Energy companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Energy companies based in the United States1,309
- Energy companies based in Germany682
- Energy companies based in Italy682
- Energy companies based in the United Kingdom474
- Energy companies based in Spain392
- Energy companies based in Brazil329
- Energy companies based in France213
- Energy companies based in India204
- Energy companies based in Türkiye203
- Energy companies based in Canada192
- Energy companies based in Nigeria172
- Energy companies based in the United Arab Emirates134
- Energy companies based in the Netherlands130
- Energy companies based in Poland129
- Energy companies based in Switzerland114
- Energy companies based in Australia108
- Energy companies based in Mexico96
- Energy companies based in Indonesia87
- Energy companies based in Portugal79
- Energy companies based in Argentina75
- Energy companies based in Japan75
- Energy companies based in South Africa71
- Energy companies based in Norway70
- Energy companies based in Finland60
- Energy companies based in Colombia57
- Energy companies based in Austria56
- Energy companies based in Belgium56
- Energy companies based in Denmark56
- Energy companies based in Romania53
- Energy companies based in Sweden53
- Energy companies based in Greece50
- Energy companies based in Egypt38
- Energy companies based in Hungary37
- Energy companies based in Pakistan37
- Energy companies based in Peru36
- Energy companies based in Malaysia33
- Energy companies based in Bulgaria32
- Energy companies based in Saudi Arabia29
- Energy companies based in Ireland26
Cities
- Energy companies based in Houston, United States181
- Energy companies based in London, United Kingdom138
- Energy companies based in Madrid, Spain96
- Energy companies based in Calgary, Canada82
- Energy companies based in Sao Paulo, Brazil68
- Energy companies based in Milano, Italy42
- Energy companies based in Rio De Janeiro, Brazil37
- Energy companies based in Roma, Italy33
- Energy companies based in Milan, Italy30
- Energy companies based in Paris, France30
- Energy companies based in Dallas, United States28
- Energy companies based in New York, United States25
Frequently asked
What is RevenueBase Smart Search?
RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names energy companies, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.
How many energy companies are there worldwide?
RevenueBase identified 6,729 energy companies worldwide as of September 2026, matched on each company's own description of what it does rather than its industry code.
What is the largest company on this list?
SHELL, headquartered in London, tops this list with the largest team on record.
Which country has the most energy companies?
The United States leads with 1,309 companies, followed by Germany (682) and Italy (682). Every energy companies list by country and city is linked on this page.
Which city has the most energy companies?
Houston leads with 181 headquartered companies, followed by London (140) and Madrid (96).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 498,734 verified decision-maker contacts tracked across these 6,729 companies.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled from the company graph between September 6, 2026 and September 14, 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 Smart Search, 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.