Company lists · Data refreshed October 2026

Top 25 Commercial energy suppliers worldwide

Name: Commercial energy suppliers worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 10, 2026 13,787 companies tracked

RevenueBase identified 13,787 company matches for commercial energy suppliers worldwide as of October 2026 and tracks 529,062 professional contacts across them, including 158,782 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for commercial energy suppliers 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 commercial energy suppliers 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

13,787Companies

529,062Contacts tracked

158,782Verified emails

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The 25 largest commercial energy suppliers worldwide

Ranked by team size

Top 25 of 13,787 company matches for commercial energy suppliers 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	EDF	Exact match	Paris, FranceHQ recorded Oct 10, 2026	10001+	46,771 contacts →
	Exact match “Our raison d'être is to build a net zero energy future with electricity and innovative solutions and services, to help save the planet and drive wellbeing and economic development.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
2	National Grid	Exact match	London, United KingdomHQ recorded Oct 10, 2026	10001+	25,394 contacts →
	Exact match “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.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
3	ENGIE	Exact match	Paris, FranceHQ recorded Oct 10, 2026	10001+	16,264 contacts →
	Exact match “What if your next career adventure started with ENGIE?” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
4	Enel Group	Exact match	Rome, ItalyHQ recorded Oct 10, 2026	10001+	15,904 contacts →
	Exact match “We are a multinational company reshaping the future of energy and one of the world’s leading integrated electricity operators.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
5	Xcel Energy	Exact match	Minneapolis, MN, United StatesHQ recorded Oct 10, 2026	10001+	11,576 contacts →
	Exact match “A leading energy provider, dedicated to excellence.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
6	British GAS	Exact match	Windsor, United KingdomHQ recorded Oct 10, 2026	10001+	9,535 contacts →
	Exact match “Taking care of things.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
7	Tata Power	Exact match	Mumbai, IndiaHQ recorded Oct 10, 2026	10001+	9,453 contacts →
	Exact match “Tata Power is one of India’s largest integrated power companies and together with its subsidiaries and jointly controlled entities, has an installed/managed capacity of 14,294 MW.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
8	DTE Energy	Exact match	Detroit, MI, United StatesHQ recorded Oct 10, 2026	10001+	9,374 contacts →
	Exact match “DTE is one of the largest Fortune 500 diversified energy companies, proudly serving Michigan for over a century.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
9	Dalkia	Exact match	Saint-andré-lez-lille, FranceHQ recorded Oct 10, 2026	10001+	8,823 contacts →
	Exact match “Dalkia : ensemble, relevons le défi climatique!” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
10	PSEG	Exact match	Newark, NJ, United StatesHQ recorded Oct 10, 2026	10001+	7,508 contacts →
	Exact match “Public service” is not just in our name.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
11	NRG Energy	Exact match	Houston, TX, United StatesHQ recorded Oct 10, 2026	10001+	7,034 contacts →
	Exact match “NRG Energy, Inc.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
12	REXEL	Exact match	Paris, FranceHQ recorded Oct 10, 2026	10001+	6,604 contacts →
	Exact match “Rexel, worldwide expert in the multichannel professional distribution of products and services for the energy world, addresses three main markets: residential, commercial, and…” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
13	ENGEN	Exact match	Cape Town, South AfricaHQ recorded Oct 10, 2026	1,001-5,000	5,400 contacts →
	Exact match “Engen, a Vivo Energy brand, is an African-based energy company committed to powering progress - responsibly and sustainably.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
14	Centrica	Exact match	Windsor, United KingdomHQ recorded Oct 10, 2026	10001+	4,831 contacts →
	Exact match “Centrica is an international energy services and solutions company, founded on a 200-year heritage of serving customers in homes and businesses.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
15	E.On UK	Exact match	Coventry, United KingdomHQ recorded Oct 10, 2026	10001+	4,427 contacts →
	Exact match “It's on us to make new energy work.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
16	ESB	Exact match	Dublin 2, IrelandHQ recorded Oct 10, 2026	5,001-10,000	4,382 contacts →
	Exact match “At ESB, we believe in a Brighter Future.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
17	Octopus Energy	Exact match	London, United KingdomHQ recorded Oct 10, 2026	1,001-5,000	4,318 contacts →
	Exact match “We're on a mission to make a big green dent in the universe by building a truly sustainable energy system globally.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
18	Uniper	Exact match	Düsseldorf, GermanyHQ recorded Oct 10, 2026	5,001-10,000	4,200 contacts →
	Exact match “From gas fields and power stations to international energy markets, Uniper helps keep energy reliable.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
19	Generac	Exact match	Waukesha, WI, United StatesHQ recorded Oct 10, 2026	5,001-10,000	3,918 contacts →
	Exact match “Generac is the total energy solutions company powering a smarter world.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
20	Ambit Energy	Exact match	Irving, TX, United StatesHQ recorded Oct 10, 2026	n/a	3,906 contacts →
	Exact match “Ambit Energy provides electricity, natural gas and solar services in numerous markets across the United States, primarily marketed through a direct sales channel of more than…” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
21	Nextera Energy, INC	Exact match	Juno Beach, FL, United StatesHQ recorded Oct 10, 2026	10001+	3,787 contacts →
	Exact match “NextEra Energy, Inc.(NYSE: NEE) is one of the largest electric power and energy infrastructure companies in North America and is a leading provider of electricity to American…” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
22	PPL Corporation	Exact match	Allentown, PA, United StatesHQ recorded Oct 10, 2026	5,001-10,000	3,664 contacts →
	Exact match “PPL Corporation’s family of companies provide electricity and natural gas to power our customers’ lives.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
23	Copa Energia	Exact match	Sao Paulo, BrazilHQ recorded Oct 10, 2026	1,001-5,000	3,383 contacts →
	Exact match “Energia que Move!” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
24	Enerflex LTD	Exact match	Calgary, CanadaHQ recorded Oct 10, 2026	1,001-5,000	3,304 contacts →
	Exact match “Enerflex is a premier integrated global provider of energy infrastructure and energy transition solutions, deploying natural gas, low-carbon, and treated water solutions – from…” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
25	Shell Energy	Exact match	London, United KingdomHQ recorded Oct 10, 2026	1,001-5,000	2,589 contacts →
	Exact match “We help businesses manage energy needs, boost efficiency, control costs and achieve decarbonisation goals for a better energy future.” Recorded in the RevenueBase company graph · Oct 10, 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 “commercial energy suppliers”. 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 13,787 commercial energy suppliers worldwide

See the full list, filter by size, metro and specialty, and access 158,782 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Commercial energy suppliers worldwide at a glance

As of Oct 10, 2026

30.0%Verified-email coverage

38.4Average contacts per company

11-50Median size (employees)

1.3%Largest-city concentration · London

Oct 10, 2026Page data refreshed

Companies by employee count

1-10

6,603

11-50

4,748

51-200

1,561

201-500

403

501-1,000

156

1,001-5,000

164

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 commercial energy suppliers are linked below.
What qualifies: Company records worldwide whose business descriptions match “commercial energy suppliers” 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 158,782 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.

Commercial energy suppliers by location

67 lists · largest first

Every Commercial energy suppliers 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 “commercial energy suppliers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many commercial energy suppliers are there worldwide?

RevenueBase identified 13,787 company matches for commercial energy suppliers 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?

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

Which country has the most commercial energy suppliers?

The United States leads with 1,544 companies, followed by the United Kingdom (1,272) and Italy (976). Every commercial energy suppliers list by country and city is linked on this page.

Which city has the most commercial energy suppliers?

London leads with 179 company records, followed by Madrid (159) and Sao Paulo (150).

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 158,782 professional contacts with verified work emails tracked across these 13,787 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.