Company lists · Data refreshed October 2026

Top 25 Grid extension contractors worldwide

RevenueBase identified 8,738 company matches for grid extension contractors worldwide as of October 2026 and tracks 182,834 professional contacts across them, including 42,486 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers company matches for grid extension contractors 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 13, 2026. Country and city lists for grid extension contractors 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 13, 2026 How this list was built
8,738Companies
182,834Contacts tracked
42,486Verified emails
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The 25 largest grid extension contractors worldwide

Ranked by team size
Top 25 of 8,738 company matches for grid extension contractors worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 13, 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 matchBuenos Aires, ArgentinaHQ recorded Oct 13, 20261,001-5,0002,633 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 · Oct 13, 2026 · View company records in RevenueBase
2Exact matchBelo Horizonte, BrazilHQ recorded Oct 13, 202610001+2,327 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 · Oct 13, 2026 · View company records in RevenueBase
3Exact matchMount Airy, NC, United StatesHQ recorded Oct 13, 202610001+2,123 contacts →

Exact match

“The Pike family of companies is a leading provider of utilities solutions to over 300 investor-owned, municipal and cooperative utilities in the United States.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
4Exact match92084 Paris - La Défense, FranceHQ recorded Oct 13, 202610001+2,102 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 · Oct 13, 2026 · View company records in RevenueBase
5Exact matchHouston, TX, United StatesHQ recorded Oct 13, 202610001+1,901 contacts →

Exact match

“Quanta Services (NYSE: PWR) is the leading specialty contractor with the largest and highly trained skilled workforce in North America, providing fully integrated solutions for…”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
6Exact matchBelo Horizonte, BrazilHQ recorded Oct 13, 20265,001-10,0001,854 contacts →

Exact match

“A Engelmig foi fundada em 1985 com o objetivo de prestar serviços de engenharia em redes de distribuição de energia elétrica.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
7Exact matchBelmont, United StatesHQ recorded Oct 13, 20261,001-5,0001,374 contacts →

Exact match

“GenusPlus Group (ASX:GNP) is a national force in power and communications infrastructure.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
8Exact matchJoao Pessoa, BrazilHQ recorded Oct 13, 20261,001-5,0001,368 contacts →

Exact match

“Fundada em na cidade de João Pessoa, a empresa se tornou especialista nas áreas de construção e prestação de serviços no setor elétrico.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
9Exact matchMedellín, ColombiaHQ recorded Oct 13, 20265,001-10,0001,164 contacts →

Exact match

“Somos una compañía colombiana líder en soluciones integrales de Ingeniería eléctrica y telecomunicaciones, con 45 años de experiencia en el sector.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
10Exact matchEnglewood, CO, United StatesHQ recorded Oct 13, 20261,001-5,0001,155 contacts →

Exact match

“Mears is an industry-leading energy infrastructure solutions provider offering engineering, construction and maintenance services to the oil and natural gas, electric transmission…”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
11Exact matchEdmonton, AB, CanadaHQ recorded Oct 13, 20261,001-5,0001,135 contacts →

Exact match

“Headquartered in Edmonton, Alberta - Valard is Canada’s premier utility contractor, with full-service capabilities for transmission, distribution, substations, foundations…”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
12Exact matchColumbia, SC, United StatesHQ recorded Oct 13, 20261,001-5,0001,114 contacts →

Exact match

“Hubbell Power Systems (HPS) designs and manufactures a wide variety of electric power transmission, distribution, substation, underground, OEM, and communications products used by…”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
13Exact matchThornton, CO, United StatesHQ recorded Oct 13, 20265,001-10,0001,111 contacts →

Exact match

“With roots dating to 1891 and employees, MYR Group Inc.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
14Exact matchColumbus, OH, United StatesHQ recorded Oct 13, 20261,001-5,0001,101 contacts →

Exact match

“Team Fishel is a family-owned and operated utility engineering, construction, installation, and maintenance services provider for natural gas distribution, electric power…”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
15Exact matchHouston, TX, United StatesHQ recorded Oct 13, 20261,001-5,0001,060 contacts →

Exact match

“Dashiell is a leading national provider of technical services to the electric utility, power generation, industrial, renewable and energy industries.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
16Exact matchImperatriz, BrazilHQ recorded Oct 13, 20261,001-5,000938 contacts →

Exact match

“Nossa História e Onde Estamos Fundada em 2007, a DPL Construções é especializada na prestação de serviços para Concessionárias de Energia Elétrica, atuando estrategicamente na…”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
17Exact matchBelo Horizonte, BrazilHQ recorded Oct 13, 20261,001-5,000921 contacts →

Exact match

“Fundada em 1974, a Remo Engenharia, uma empresa sólida e com alto nível de especialização é hoje um dos grandes players do Brasil no segmento de energia.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
18Exact matchBillings, MT, United StatesHQ recorded Oct 13, 20261,001-5,000904 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 · Oct 13, 2026 · View company records in RevenueBase
19Exact matchMalmö, SwedenHQ recorded Oct 13, 20261,001-5,000805 contacts →

Exact match

“ONE Nordic är en av Sveriges ledande leverantörer av tekniska tjänster, entreprenader och underhåll inom energisektorn.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
20Exact matchHenderson, CO, United StatesHQ recorded Oct 13, 20261,001-5,000797 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
21Exact matchLeeds, United KingdomHQ recorded Oct 13, 20261,001-5,000728 contacts →

Exact match

“Freedom is a leading provider of facilities and power engineering services.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
22Exact matchFuenlabrada, SpainHQ recorded Oct 13, 2026201-500720 contacts →

Exact match

“Empresa especializada en la ingenieria, desarrollo, construccion, instalación, y puesta en marcha de instalaciones de telecomunicaciones, electricidad, señalización, redes de…”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
23Exact matchBellevue, WA, United StatesHQ recorded Oct 13, 20261,001-5,000710 contacts →

Exact match

“For over a quarter century, Prime has been successfully engineering, constructing building, and facilities solutions for our clientele.”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
24Exact matchAlmere, NetherlandsHQ recorded Oct 13, 2026501-1,000707 contacts →

Exact match

“With transformer substations, energy storage systems, charging stations for electric vehicles and a diverse portfolio of other products and services, Alfen has a central and…”

Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
25Exact matchEscondido, CA, United StatesHQ recorded Oct 13, 2026501-1,000704 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 · Oct 13, 2026 · View company records in RevenueBase

Showing 25 of 8,738 grid extension contractors worldwide

See the full list, filter by size, metro and specialty, and access 42,486 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Grid extension contractors worldwide at a glance

As of Oct 13, 2026
23.2%Verified-email coverage
20.9Average contacts per company
11-50Median size (employees)
0.6%Largest-city concentration · Sao Paulo
Oct 13, 2026Page data refreshed

Companies by employee count

1-10
2,766
11-50
3,347
51-200
1,621
201-500
558
501-1,000
193
1,001-5,000
146
5,001-10,000
16
10001+
15

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 extension contractors are linked below.
What qualifies
Company records worldwide whose business descriptions match “grid extension contractors” 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 42,486 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 13, 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 extension contractors by location

34 lists · largest first

Every Grid extension contractors 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 extension contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many grid extension contractors are there worldwide?

RevenueBase identified 8,738 company matches for grid extension contractors 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?

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

Which country has the most grid extension contractors?

The United States leads with 1,497 companies, followed by Italy (718) and Brazil (678). Every grid extension contractors list by country and city is linked on this page.

Which city has the most grid extension contractors?

Sao Paulo leads with 55 company records, followed by Rome (49) and Lima (41).

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 42,486 professional contacts with verified work emails tracked across these 8,738 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 13, 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.