Company lists · Data refreshed November 2026

Top 25 High voltage transmission contractors worldwide

RevenueBase identified 5,912 company matches for high voltage transmission contractors worldwide as of November 2026 and tracks 218,530 professional contacts across them, including 54,505 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers company matches for high voltage transmission 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 high voltage transmission 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
5,912Companies
218,530Contacts tracked
54,505Verified emails
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The 25 largest high voltage transmission contractors worldwide

Ranked by team size
Top 25 of 5,912 company matches for high voltage transmission 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 matchGurgaon, IndiaHQ recorded Nov 6, 20265,001-10,0006,251 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
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 matchCopenhagen, DenmarkHQ recorded Nov 6, 20265,001-10,0003,202 contacts →

Exact match

“NKT connects a greener world with high-quality power cable technology and plays a key role as the world moves towards clean energy.”

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 matchHouston, TX, United StatesHQ recorded Nov 6, 202610001+2,000 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 · Nov 6, 2026 · View company records in RevenueBase
8Exact matchBlue Bell, PA, United StatesHQ recorded Nov 6, 20265,001-10,0001,935 contacts →

Exact match

“Henkels & McCoy, Inc.(H&M) is a leading utility construction firm providing critical infrastructure for the power, oil & gas pipeline, telecommunications, and gas distribution…”

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 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
11Exact matchAbu Dhabi, United Arab EmiratesHQ recorded Nov 6, 20261,001-5,0001,794 contacts →

Exact match

“We own and operate safe, sustainable, economic and reliable transmission networks that connect generation plants to distribution companies and other customers.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact 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
13Exact matchNovi, MI, United StatesHQ recorded Nov 6, 2026501-1,0001,556 contacts →

Exact match

“From electric vehicles to renewables, we’re looking at electricity in a whole new way- because transmission is the key to unlocking our energy future.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact 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
15Exact 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
16Exact 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
17Exact matchLimerick, FranceHQ recorded Nov 6, 20261,001-5,0001,392 contacts →

Exact match

“H & MV Engineering is a leading global provider of Specialist High Voltage Design, Engineering and Construction Services across a variety of key sectors.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact 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
19Exact 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
20Exact 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
21Exact matchColumbus, OH, United StatesHQ recorded Nov 6, 20261,001-5,0001,145 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 · Nov 6, 2026 · View company records in RevenueBase
22Exact matchThornton, CO, United StatesHQ recorded Nov 6, 20265,001-10,0001,137 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchColumbia, SC, United StatesHQ recorded Nov 6, 20261,001-5,0001,129 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 · Nov 6, 2026 · View company records in RevenueBase
24Exact matchComuna 1, ArgentinaHQ recorded Nov 6, 2026501-1,0001,127 contacts →

Exact match

“Compañía de Transporte de Energía Eléctrica en Alta Tensión Transener S.A.(Transener) es la empresa líder en el servicio público de transporte de energía eléctrica en extra alta…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchLibertyville, IL, United StatesHQ recorded Nov 6, 20261,001-5,0001,092 contacts →

Exact match

“With a legacy of providing transformative construction solutions, Aldridge is committed to being your contractor of choice to power America’s critical infrastructure.”

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

Showing 25 of 5,912 high voltage transmission contractors worldwide

See the full list, filter by size, metro and specialty, and access 54,505 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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High voltage transmission contractors worldwide at a glance

As of Nov 6, 2026
24.9%Verified-email coverage
37.0Average 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
1,500
11-50
2,088
51-200
1,329
201-500
488
501-1,000
188
1,001-5,000
179
5,001-10,000
18
10001+
25

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 high voltage transmission contractors are linked below.
What qualifies
Company records worldwide whose business descriptions match “high voltage transmission 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 54,505 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.

High voltage transmission contractors by location

29 lists · largest first

Every High voltage transmission 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 “high voltage transmission contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many high voltage transmission contractors are there worldwide?

RevenueBase identified 5,912 company matches for high voltage transmission 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 high voltage transmission contractors?

The United States leads with 1,267 companies, followed by India (419) and Brazil (412). Every high voltage transmission contractors list by country and city is linked on this page.

Which city has the most high voltage transmission contractors?

Sao Paulo leads with 41 company records, followed by Tehran (29) and Lima (28).

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 54,505 professional contacts with verified work emails tracked across these 5,912 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.