Company lists · Data refreshed November 2026

Top 25 Electrical grid integration companies worldwide

RevenueBase identified 5,751 company matches for electrical grid integration companies worldwide as of November 2026 and tracks 220,801 professional contacts across them, including 77,818 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for electrical grid integration 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 electrical grid integration 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
5,751Companies
220,801Contacts tracked
77,818Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 25 largest electrical grid integration companies worldwide

Ranked by team size
Top 25 of 5,751 company matches for electrical grid integration 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchZurich, SwitzerlandHQ recorded Nov 6, 202610001+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
2Exact matchWindsor, United KingdomHQ recorded Nov 6, 202610001+9,964 contacts →

Exact match

“Taking care of things.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchMumbai, IndiaHQ recorded Nov 6, 202610001+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
4Exact matchJuno Beach, FL, United StatesHQ recorded Nov 6, 202610001+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
5Exact matchIrvine, CA, United StatesHQ recorded Nov 6, 2026n/a6,418 contacts →

Exact match

“For 150 years, Toshiba has been engineering solutions that drive progress, empower industries, and create a more resilient future.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchShelton, CT, United StatesHQ recorded Nov 6, 202610001+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
7Exact matchCham, SwitzerlandHQ recorded Nov 6, 20265,001-10,0004,287 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
8Exact matchHerzliya, IsraelHQ recorded Nov 6, 20261,001-5,0003,219 contacts →

Exact match

“SolarEdge is a global leader in smart energy technology.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchIrving, TX, United StatesHQ recorded Nov 6, 20265,001-10,0002,727 contacts →

Exact match

“Vistra (NYSE: VST) is a leading Fortune 500 integrated retail electricity and power generation company, based in Irving, Texas, that provides essential resources to customers…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchBayreuth, GermanyHQ recorded Nov 6, 20265,001-10,0002,697 contacts →

Exact match

“TenneT is a leading European grid operator.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchChicago, United StatesHQ recorded Nov 6, 20261,001-5,0002,639 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
12Exact matchHaymarket, AustraliaHQ recorded Nov 6, 20261,001-5,0002,511 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
13Exact matchMunich, WI, GermanyHQ recorded Nov 6, 20261,001-5,0002,393 contacts →

Exact match

“INNIO Group is a global distributed energy solutions provider that delivers reliable, flexible, transient, decentralized, modular and efficient power.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact match92084 Paris - La Défense, FranceHQ recorded Nov 6, 202610001+2,148 contacts →

Exact match

“One of the top three global players in the transmission and distribution of energy, AREVA T&D offers solutions to bring electricity from the source onto the power network.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchNanterre, FranceHQ recorded Nov 6, 20265,001-10,0002,108 contacts →

Exact match

“With today's global energy sector undergoing constant change, Omexom works with its clients in delivering on the promises of the energy transition.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchArlington, TX, United StatesHQ recorded Nov 6, 20261,001-5,0002,019 contacts →

Exact match

“To achieve our mission, we design, deploy, and operate the world’s most advanced modular energy storage products, comprehensive lifecycle services, and AI-enabled asset management…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchMilwaukee, United StatesHQ recorded Nov 6, 20265,001-10,0001,933 contacts →

Exact match

“Rehlko is a global leader in energy resilience, delivering the solutions critical to sustain and improve life.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchPlano, TX, United StatesHQ recorded Nov 6, 20261,001-5,0001,849 contacts →

Exact match

“At Westwood, our purpose is to create a better world for people through our work.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchDerio, SpainHQ recorded Nov 6, 20261,001-5,0001,124 contacts →

Exact match

“We are experts in customized and high-tech electrical solutions for your challenges At Ormazabal we design and manufacture solutions aimed at digitalizing the electrical grid to…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchBillings, WA, United StatesHQ recorded Nov 6, 20261,001-5,000987 contacts →

Exact match

“Electrical Consultants, Inc.(ECI) is an employee-owned, national provider of high voltage transmission, substation, and distribution solutions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchMelle, GermanyHQ recorded Nov 6, 20261,001-5,000920 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchFolsom, CA, United StatesHQ recorded Nov 6, 2026501-1,000900 contacts →

Exact match

“The California Independent System Operator (ISO) manages the flow of electricity across the high-voltage, long-distance power lines that make up 80 percent of California's power…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchDurham, NC, United StatesHQ recorded Nov 6, 2026501-1,000801 contacts →

Exact match

“PowerSecure, a Southern Company subsidiary, is a leading provider of innovative energy solutions to electric utilities and their industrial, institutional, and commercial…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchManchester, United KingdomHQ recorded Nov 6, 20261,001-5,000772 contacts →

Exact match

“We are Calisen.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchEscondido, CA, United StatesHQ recorded Nov 6, 2026501-1,000717 contacts →

Exact match

“Baker Electric is a full-service electrical contractor and energy infrastructure expert headquartered in Escondido, California.”

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

Showing 25 of 5,751 electrical grid integration companies worldwide

See the full list, filter by size, metro and specialty, and access 77,818 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Electrical grid integration companies worldwide at a glance

As of Nov 6, 2026
35.2%Verified-email coverage
38.4Average contacts per company
11-50Median size (employees)
1.0%Largest-city concentration · London
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
2,702
11-50
1,883
51-200
706
201-500
180
501-1,000
79
1,001-5,000
92
5,001-10,000
16
10001+
28

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 electrical grid integration companies are linked below.
What qualifies
Company records worldwide whose business descriptions match “electrical grid integration 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 77,818 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.

Electrical grid integration companies by location

30 lists · largest first

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

How many electrical grid integration companies are there worldwide?

RevenueBase identified 5,751 company matches for electrical grid integration 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 electrical grid integration companies?

The United States leads with 1,074 companies, followed by Germany (343) and India (300). Every electrical grid integration companies list by country and city is linked on this page.

Which city has the most electrical grid integration companies?

London leads with 59 company records, followed by Houston (42) and Sao Paulo (36).

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 77,818 professional contacts with verified work emails tracked across these 5,751 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.

Ready to reach these companies? Verified emails and direct dials for all 5,751 electrical grid integration companies worldwide. Start with a free account, no credit card.

Download this list →

Related lists

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.