Company lists · Data refreshed September 2026

Top 25 Transmission and distribution companies worldwide

Name: Transmission and distribution companies worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 19, 2026 1,217 companies tracked

RevenueBase identified 1,217 transmission and distribution companies worldwide as of September 2026 and tracks 402,389 professional contacts across them, including 124,561 with verified work emails and 0 with mobile numbers. The United States is the largest market and Sao Paulo the largest hub.

This list covers transmission and distribution 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 19, 2026. Country and city lists for transmission and distribution 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.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 19, 2026 86% judged on-target in blind review

1,217Companies

402,389Contacts tracked

124,561Verified emails

0Mobile numbers

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The 25 largest transmission and distribution companies worldwide

Ranked by team size

Top 25 of 1,217 transmission and distribution companies worldwide, ranked by team size, largest first. Data refreshed Sep 19, 2026. RevenueBase Smart Search rates how each company's information relates to transmission and distribution companies: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	National Grid	Indirect evidence	London, United KingdomHQ checked Sep 19, 2026	10001+	24,403 contacts →
	Indirect 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 19, 2026
2	e.on	Indirect evidence	Essen, GermanyHQ checked Sep 19, 2026	10001+	21,622 contacts →
	Indirect 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 19, 2026
3	Enedis	Partial evidence	Puteaux, FranceHQ checked Sep 19, 2026	10001+	20,465 contacts →
	Partial evidence “Enedis est le gestionnaire du réseau public de distribution d’électricité sur 95 % du territoire français continental.” Source: RevenueBase Database · checked Sep 19, 2026
4	Ntpc Limited	Indirect evidence	New Delhi, IndiaHQ checked Sep 19, 2026	10001+	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 19, 2026
5	Enel Group	Indirect evidence	Rome, ItalyHQ checked Sep 19, 2026	10001+	15,726 contacts →
	Indirect 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 19, 2026
6	Hydro Québec	Indirect evidence	Montréal, QC, CanadaHQ checked Sep 19, 2026	10001+	14,673 contacts →
	Indirect evidence “Hydro-Québec produit, transporte et distribue de l'électricité.” Source: RevenueBase Database · checked Sep 19, 2026
7	Entergy	Indirect evidence	New Orleans, LA, United StatesHQ checked Sep 19, 2026	10001+	11,015 contacts →
	Indirect evidence “At Entergy (NYSE: ETR), we power life.” Source: RevenueBase Database · checked Sep 19, 2026
8	American Electric Power	Indirect evidence	Columbus, OH, United StatesHQ checked Sep 19, 2026	10001+	10,964 contacts →
	Indirect evidence “Our team at American Electric Power is committed to improving our customers' lives with reliable, affordable power.” Source: RevenueBase Database · checked Sep 19, 2026
9	Tata Power	Indirect evidence	Mumbai, IndiaHQ checked Sep 19, 2026	10001+	9,414 contacts →
	Indirect evidence “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.” Source: RevenueBase Database · checked Sep 19, 2026
10	Grupo Energisa	Indirect evidence	Cataguases, BrazilHQ checked Sep 19, 2026	10001+	9,212 contacts →
	Indirect evidence “O Grupo Energisa tem na distribuição de energia elétrica a principal base de seu negócio.” Source: RevenueBase Database · checked Sep 19, 2026
11	Exelon	Indirect evidence	Chicago, IL, United StatesHQ checked Sep 19, 2026	10001+	7,790 contacts →
	Indirect evidence “Exelon Corporation (Nasdaq: EXC) is one of the nation’s largest utility companies, serving more than 10 million customers through six fully regulated utilities.” Source: RevenueBase Database · checked Sep 19, 2026
12	Cpfl Energia	Indirect evidence	Campinas, BrazilHQ checked Sep 19, 2026	10001+	7,647 contacts →
	Indirect evidence “Estamos há 113 anos construindo a história do setor elétrico brasileiro, atuando nos segmentos de distribuição, geração, transmissão, comercialização e serviços.” Source: RevenueBase Database · checked Sep 19, 2026
13	PSEG	Indirect evidence	Newark, NJ, United StatesHQ checked Sep 19, 2026	10001+	7,446 contacts →
	Indirect evidence “Public service” is not just in our name.” Source: RevenueBase Database · checked Sep 19, 2026
14	Réseau DE Transport D'électricité	Indirect evidence	La Defense Cedex, FranceHQ checked Sep 19, 2026	10001+	7,307 contacts →
	Indirect evidence “Chaque jour, nous faisons du réseau électrique le moteur d’une France décarbonée en transportant l’électricité à chaque seconde et en veillant en permanence à son équilibre…” Source: RevenueBase Database · checked Sep 19, 2026
15	Firstenergy	Indirect evidence	Akron, OH, United StatesHQ checked Sep 19, 2026	10001+	6,434 contacts →
	Indirect evidence “We are a forward-thinking electric utility centered on integrity, powered by a diverse team of employees committed to making customers’ lives brighter, the environment better and…” Source: RevenueBase Database · checked Sep 19, 2026
16	Nextera Energy Resources	Indirect evidence	Juno Beach, FL, United StatesHQ checked Sep 19, 2026	10001+	6,221 contacts →
	Indirect evidence “NextEra Energy Resources, LLC, together with its affiliated entities,("NextEra Energy Resources") is one of the largest energy infrastructure companies in North America.” Source: RevenueBase Database · checked Sep 19, 2026
17	Power Grid Corporation Of India Limited	Partial evidence	Gurgaon, IndiaHQ checked Sep 19, 2026	5,001-10,000	5,997 contacts →
	Partial evidence “Power Grid Corporation of India Limited (POWERGRID), is a 'Maharatna' Company operating under Ministry of Power, is engaged in power transmission business.” Source: RevenueBase Database · checked Sep 19, 2026
18	Georgia Power Company	Indirect evidence	Atlanta, GA, United StatesHQ checked Sep 19, 2026	10001+	5,036 contacts →
	Indirect evidence “High reliability, low prices and high customer satisfaction are cornerstones of our customer commitment, but it doesn't end there.” Source: RevenueBase Database · checked Sep 19, 2026
19	Nisource	Indirect evidence	Merrillville, IN, United StatesHQ checked Sep 19, 2026	5,001-10,000	4,359 contacts →
	Indirect evidence “NiSource (NYSE: NI) helps energize the lives of its nearly 4 million natural gas and electric customers across six states.” Source: RevenueBase Database · checked Sep 19, 2026
20	Oncor Electric Delivery	Strong evidence	Dallas, TX, United StatesHQ checked Sep 19, 2026	1,001-5,000	3,586 contacts →
	Strong evidence “Oncor Electric Delivery Company LLC, headquartered in Dallas, is a regulated electricity distribution and transmission business that uses superior asset management skills to…” Source: RevenueBase Database · checked Sep 19, 2026
21	Enerjisa	Indirect evidence	Istanbul, TürkiyeHQ checked Sep 19, 2026	5,001-10,000	3,230 contacts →
	Indirect evidence “Enerjisa Enerji A.Ş.” Source: RevenueBase Database · checked Sep 19, 2026
22	Manitoba Hydro	Indirect evidence	Winnipeg, MB, CanadaHQ checked Sep 19, 2026	1,001-5,000	3,158 contacts →
	Indirect evidence “As Manitoba’s major energy utility, we: • Generate and distribute electricity around the province.” Source: RevenueBase Database · checked Sep 19, 2026
23	UK Power Networks	Partial evidence	London, United KingdomHQ checked Sep 19, 2026	5,001-10,000	2,949 contacts →
	Partial evidence “UK Power Networks is a Distribution Network Operator providing power to a quarter of the UK's population.” Source: RevenueBase Database · checked Sep 19, 2026
24	APA Group	Indirect evidence	Sydney, AustraliaHQ checked Sep 19, 2026	1,001-5,000	2,679 contacts →
	Indirect evidence “At APA, we’re taking on one of Australia’s greatest challenges: the energy transition.” Source: RevenueBase Database · checked Sep 19, 2026
25	Edenor	Indirect evidence	Buenos Aires, ArgentinaHQ checked Sep 19, 2026	1,001-5,000	2,531 contacts →
	Indirect evidence “Somos la mayor distribuidora de energía eléctrica de la Argentina en términos de cantidad de clientes y electricidad vendida.” Source: RevenueBase Database · checked Sep 19, 2026

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: transmission and distribution 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 transmission and distribution companies.
Partial evidence: Its own public description names part of transmission and distribution companies, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name transmission and distribution 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 1,217 transmission and distribution companies worldwide

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Transmission and distribution companies worldwide at a glance

As of Sep 19, 2026

31.0%Verified-email coverage

330.6Average contacts per company

51-200Median size (employees)

2.2%Largest-city concentration · Sao Paulo

Sep 19, 2026Page data refreshed

Companies by employee count

1-10

241

11-50

362

51-200

231

201-500

110

501-1,000

1,001-5,000

117

5,001-10,000

10001+

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 transmission and distribution 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: 14 countries, largest first: the United States, India, Brazil, Germany, Italy, Türkiye, the United Kingdom, Canada, France, Norway and 4 more. Country and city lists for transmission and distribution companies are linked below.
What qualifies: Companies worldwide whose own description of what they do matches “transmission and distribution 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 transmission and distribution 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 transmission and distribution 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, 124,561 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 on September 19, 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.

Transmission and distribution companies by location

14 lists · largest first

Every Transmission and distribution companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

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 transmission and distribution 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 transmission and distribution companies are there worldwide?

RevenueBase identified 1,217 transmission and distribution 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?

National Grid, headquartered in London, tops this list with the largest team on record.

Which country has the most transmission and distribution companies?

The United States leads with 233 companies, followed by India (196) and Brazil (163). Every transmission and distribution companies list by country and city is linked on this page.

Which city has the most transmission and distribution companies?

Sao Paulo leads with 27 headquartered companies, followed by Rio De Janeiro (18) and New Delhi (15).

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 124,561 verified decision-maker contacts tracked across these 1,217 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 19, 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.