Company lists · Data refreshed November 2026

Top 25 Grid extension contractors worldwide

RevenueBase identified 14,021 company matches for grid extension contractors worldwide as of November 2026 and tracks 361,395 professional contacts across them, including 81,154 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 November 6, 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 Nov 6, 2026 How this list was built
14,021Companies
361,395Contacts tracked
81,154Verified emails
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The 25 largest grid extension contractors worldwide

Ranked by team size
Top 25 of 14,021 company matches for grid extension contractors 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 matchMumbai, IndiaHQ recorded Nov 6, 20265,001-10,00011,223 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
2Exact matchMumbai, IndiaHQ recorded Nov 6, 20265,001-10,0006,367 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
3Exact matchDallas, AZ, United StatesHQ recorded Nov 6, 202610001+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
4Exact matchMenasha, WI, United StatesHQ recorded Nov 6, 20265,001-10,0002,999 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
5Exact matchBelo Horizonte, BrazilHQ recorded Nov 6, 202610001+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
6Exact 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
7Exact 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
8Exact matchKennesaw, PA, United StatesHQ recorded Nov 6, 20261,001-5,0002,022 contacts →

Exact match

“ENERCON is a multi-discipline engineering and environmental engineering support services firm focused on delivering safe and efficient solutions for the power, data center and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchBelo Horizonte, BrazilHQ recorded Nov 6, 20265,001-10,0001,929 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 · Nov 6, 2026 · View company records in RevenueBase
10Exact matchPhiladelphia, MS, United StatesHQ recorded Nov 6, 20265,001-10,0001,902 contacts →

Exact match

“Yates Construction is part of The Yates Companies, Inc.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchMadrid, SpainHQ recorded Nov 6, 20265,001-10,0001,859 contacts →

Exact match

“Isolux is a global benchmark in energy, water and environmental, road and railways infrastructure with presence in more than 35 countries on four continents.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact 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
13Exact matchİstanbul, TürkiyeHQ recorded Nov 6, 202610001+1,804 contacts →

Exact match

“Founded in 1998, Çalık Enerji is a leading international energy company with a strong track record in delivering integrated, turn-key contracting projects across Europe, Central…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchBeirut, LebanonHQ recorded Nov 6, 20261,001-5,0001,724 contacts →

Exact match

“ieng Group delivers EPC and O&M infrastructure services with a strong focus on the telecom and power industries.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchSan Diego, CA, United StatesHQ recorded Nov 6, 20261,001-5,0001,666 contacts →

Exact match

“Helix Electric is an award-winning electrical contractor specializing in design-build and highly complex electrical projects throughout the United States.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchLimerick, IrelandHQ recorded Nov 6, 20261,001-5,0001,563 contacts →

Exact match

“Founded in 1964, Kirby is a leading Mechanical and Electrical engineering contractor with operations in Ireland, the UK, mainland Europe and South Africa.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchCairo, EgyptHQ recorded Nov 6, 20261,001-5,0001,529 contacts →

Exact match

“An integrated energy solutions -design and build- provider specialized in Power Generation, Water Treatment and Hydropower while currently diversifying our business segments to…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchJoao Pessoa, BrazilHQ recorded Nov 6, 20261,001-5,0001,471 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 · Nov 6, 2026 · View company records in RevenueBase
19Exact matchPhoenix, AZ, United StatesHQ recorded Nov 6, 20265,001-10,0001,421 contacts →

Exact match

“NPL is a nationally recognized leader in energy infrastructure construction, with 50 years of experience.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchBelmont, United StatesHQ recorded Nov 6, 20261,001-5,0001,404 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchFortaleza, BrazilHQ recorded Nov 6, 20261,001-5,0001,374 contacts →

Exact match

“O Grupo Cosampa vem conquistando espaço no mercado, através da prestação de serviços com qualidade e excelência, nas áreas de construção civil, engenharia elétrica e energias…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchMedellín, ColombiaHQ recorded Nov 6, 20265,001-10,0001,240 contacts →

Exact match

“Somos una compañía colombiana líder en soluciones integrales de Ingeniería eléctrica y telecomunicaciones, con 46 años de experiencia en el sector.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchWembley, United KingdomHQ recorded Nov 6, 20261,001-5,0001,204 contacts →

Exact match

“Established in 1985 to support the emerging UK cable television market, Kelly Group has diversified to meet the needs of our clients.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchEnglewood, TX, United StatesHQ recorded Nov 6, 20261,001-5,0001,194 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 · Nov 6, 2026 · View company records in RevenueBase
25Exact matchEdmonton, AB, CanadaHQ recorded Nov 6, 20261,001-5,0001,193 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 · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 14,021 grid extension contractors worldwide

See the full list, filter by size, metro and specialty, and access 81,154 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 Nov 6, 2026
22.5%Verified-email coverage
25.8Average contacts per company
11-50Median size (employees)
0.7%Largest-city concentration · Sao Paulo
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
4,698
11-50
5,126
51-200
2,523
201-500
859
501-1,000
310
1,001-5,000
270
5,001-10,000
32
10001+
27

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 81,154 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 extension contractors by location

73 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 14,021 company matches for grid extension contractors 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?

KEC International LTD 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 1,649 companies, followed by Brazil (1,327) and India (1,283). 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 104 company records, followed by Ankara (69) and Belo Horizonte (69).

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 81,154 professional contacts with verified work emails tracked across these 14,021 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.