Company lists · Data refreshed November 2026

Top 25 Grid infrastructure companies worldwide

Name: Grid infrastructure companies worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 10,973 companies tracked

RevenueBase identified 10,973 company matches for grid infrastructure companies worldwide as of November 2026 and tracks 584,804 professional contacts across them, including 161,755 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers company matches for grid infrastructure companies 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 grid infrastructure companies 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

10,973Companies

584,804Contacts tracked

161,755Verified emails

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The 25 largest grid infrastructure companies worldwide

Ranked by team size

Top 25 of 10,973 company matches for grid infrastructure companies 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Hitachi Energy	Exact match	Zurich, SwitzerlandHQ recorded Nov 6, 2026	10001+	33,344 contacts →
	Exact match “Hitachi Energy is a global technology leader in electrification, powering a sustainable energy future with innovative power grid technologies with digital at the core.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2	KEC International LTD	Exact match	Mumbai, IndiaHQ recorded Nov 6, 2026	5,001-10,000	11,223 contacts →
	Exact match “KEC International Limited, the flagship company of RPG Enterprises is a diversified global infrastructure Engineering, Procurement & Construction (EPC) major, with a presence in…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3	Tata Power	Exact match	Mumbai, IndiaHQ recorded Nov 6, 2026	10001+	9,891 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 · Nov 6, 2026 · View company records in RevenueBase
4	Réseau DE Transport D'électricité	Exact match	La Defense Cedex, FranceHQ recorded Nov 6, 2026	10001+	7,740 contacts →
	Exact match “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…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5	Nextera Energy Resources	Exact match	Juno Beach, FL, United StatesHQ recorded Nov 6, 2026	10001+	6,545 contacts →
	Exact match “NextEra Energy Resources, LLC, together with its affiliated entities,("NextEra Energy Resources") is one of the largest energy infrastructure companies in North America.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6	Kalpataru Projects International Limited	Exact match	Mumbai, IndiaHQ recorded Nov 6, 2026	5,001-10,000	6,367 contacts →
	Exact match “THE WORLD'S LOCAL EPC PARTNER Kalpataru Projects International Limited (KPIL), part of the Kalpataru Group, is a leading global engineering and construction company with a…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7	Power Grid Corporation Of India Limited	Exact match	Gurgaon, IndiaHQ recorded Nov 6, 2026	5,001-10,000	6,251 contacts →
	Exact match “Power Grid Corporation of India Limited (POWERGRID), is a 'Maharatna' Company operating under Ministry of Power, is engaged in power transmission business.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8	Mortenson	Exact match	Minneapolis, CO, United StatesHQ recorded Nov 6, 2026	5,001-10,000	6,069 contacts →
	Exact match “Mortenson is a U.S-based, top-10 builder, developer and provider of energy and engineering services committed to helping organizations move their strategies forward.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9	Hubbell Incorporated	Exact match	Shelton, CT, United StatesHQ recorded Nov 6, 2026	10001+	4,484 contacts →
	Exact match “Hubbell Incorporated is a leading manufacturer of utility and electrical solutions that help build more reliable, resilient, and renewable energy infrastructure.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10	KENTZ	Exact match	Dubai, United Arab EmiratesHQ recorded Nov 6, 2026	10001+	4,310 contacts →
	Exact match “Following the acquisition of SNC-Lavalin's oil and gas division, Kentz has become a part of Kent.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11	Landis GYR	Exact match	Cham, SwitzerlandHQ recorded Nov 6, 2026	5,001-10,000	4,287 contacts →
	Exact match “Landis+Gyr is a global energy technology leader delivering intelligent solutions that connect devices, data, and decisions across the grid.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12	Primoris Services Corporation	Exact match	Dallas, AZ, United StatesHQ recorded Nov 6, 2026	10001+	4,275 contacts →
	Exact match “Primoris Services Corporation (NYSE: PRIM) is a leading provider of critical infrastructure services to the utility, energy, and renewables markets throughout the United States…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13	Terna SPA	Exact match	Rome, ItalyHQ recorded Nov 6, 2026	5,001-10,000	4,256 contacts →
	Exact match “We are the Europe's largest independent electricity transmission system operator, representing an Italian excellence with around professionals dedicated daily to the safety of the…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14	Msedcl	Exact match	IndiaHQ recorded Nov 6, 2026	10001+	3,973 contacts →
	Exact match “Maharashtra State Electricity Distribution Company Limited (MSEDCL) came into existence on June 6, 2005 after unbundling the erstwhile Maharashtra State Electricity Board into…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15	Mastec Communications Group	Exact match	Coral Gables, FL, United StatesHQ recorded Nov 6, 2026	5,001-10,000	3,416 contacts →
	Exact match “MasTec Communications Group (MCG) is a division of MasTec that provides comprehensive services and turnkey solutions for Telecom operators.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16	FTI	Exact match	Menasha, WI, United StatesHQ recorded Nov 6, 2026	5,001-10,000	2,999 contacts →
	Exact match “Faith Technologies Incorporated (FTI) is a dynamic organization comprised of construction, engineering, manufacturing and renewable energy experts.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17	Edenor	Exact match	Buenos Aires, ArgentinaHQ recorded Nov 6, 2026	1,001-5,000	2,712 contacts →
	Exact match “Somos la mayor distribuidora de energía eléctrica de la Argentina en términos de cantidad de clientes y electricidad vendida.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18	IES Holdings	Exact match	Houston, TX, United StatesHQ recorded Nov 6, 2026	5,001-10,000	2,710 contacts →
	Exact match “IES Holdings, Inc.(formerly known as Integrated Electrical Services, Inc.) provides electrical contracting services to commercial, industrial, and residential customers in the…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19	Tennet Germany	Exact match	Bayreuth, GermanyHQ recorded Nov 6, 2026	5,001-10,000	2,697 contacts →
	Exact match “TenneT is a leading European grid operator.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20	S&c Electric Company	Exact match	Chicago, United StatesHQ recorded Nov 6, 2026	1,001-5,000	2,639 contacts →
	Exact match “S&C is empowering people to transform the grid.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21	Fluvius	Exact match	Merelbeke–melle, BelgiumHQ recorded Nov 6, 2026	5,001-10,000	2,602 contacts →
	Exact match “Als netbeheerder werkt Fluvius in alle Vlaamse steden en gemeenten, met zo’n collega’s.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22	Société Tunisienne DE L'electricité ET DU GAZ Steg	Exact match	Tunis, TunisiaHQ recorded Nov 6, 2026	10001+	2,586 contacts →
	Exact match “The Tunisian Company of Electricity and Gas (STEG) as a public and a non administrative company, has the essential role to : • Electrify the country • Develop the natural gas…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23	Invenergy	Exact match	Chicago, IL, United StatesHQ recorded Nov 6, 2026	1,001-5,000	2,526 contacts →
	Exact match “Invenergy is North America’s largest privately held developer, owner, and operator of innovative, reliable power infrastructure.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24	Ausgrid	Exact match	Haymarket, AustraliaHQ recorded Nov 6, 2026	1,001-5,000	2,511 contacts →
	Exact match “Ausgrid is Australia's largest distributor of electricity, provided products and services to 1.7 million customers in Sydney, the Hunter and the Central Coast.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25	Tabocas Participações Empreendimentos S A	Exact match	Belo Horizonte, BrazilHQ recorded Nov 6, 2026	10001+	2,443 contacts →
	Exact match “Fundada em abril de em Belo Horizonte (MG), a Tabocas é referência nacional na modalidade EPC Full, dentro dos setores de construção e engenharia civil, com foco de atuação na…” Recorded in the RevenueBase company graph · Nov 6, 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 “grid infrastructure companies”. 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 10,973 grid infrastructure companies worldwide

See the full list, filter by size, metro and specialty, and access 161,755 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Grid infrastructure companies worldwide at a glance

As of Nov 6, 2026

27.7%Verified-email coverage

53.3Average contacts per company

11-50Median size (employees)

0.6%Largest-city concentration · Sao Paulo

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

2,988

11-50

3,792

51-200

2,300

201-500

853

501-1,000

381

1,001-5,000

387

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 grid infrastructure companies are linked below.
What qualifies: Company records worldwide whose business descriptions match “grid infrastructure companies” 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 161,755 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.

Grid infrastructure companies by location

50 lists · largest first

Every Grid infrastructure companies 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 “grid infrastructure companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many grid infrastructure companies are there worldwide?

RevenueBase identified 10,973 company matches for grid infrastructure companies 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?

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

Which country has the most grid infrastructure companies?

The United States leads with 2,263 companies, followed by Brazil (815) and India (775). Every grid infrastructure companies list by country and city is linked on this page.

Which city has the most grid infrastructure companies?

Sao Paulo leads with 64 company records, followed by Houston (58) and Ankara (51).

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 161,755 professional contacts with verified work emails tracked across these 10,973 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.