Company lists · Data refreshed November 2026

Top 25 Hvdc transmission specialists worldwide

RevenueBase identified 612 company matches for hvdc transmission specialists worldwide as of November 2026 and tracks 23,041 professional contacts across them, including 7,036 with verified work emails. The United Kingdom is the largest market and Tehran the largest hub.

This list covers company matches for hvdc transmission specialists 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 hvdc transmission specialists 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
612Companies
23,041Contacts tracked
7,036Verified emails
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The 25 largest hvdc transmission specialists worldwide

Ranked by team size
Top 25 of 612 company matches for hvdc transmission specialists 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 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
2Exact 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
3Exact 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
4Exact matchHouston, TX, United StatesHQ recorded Nov 6, 20261,001-5,0001,087 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 · Nov 6, 2026 · View company records in RevenueBase
5Exact 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
6Exact matchArnhem, NetherlandsHQ recorded Nov 6, 20261,001-5,000867 contacts →

Exact match

“Wij zijn experts in hoogspanning.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchRichland, MS, United StatesHQ recorded Nov 6, 2026501-1,000578 contacts →

Exact match

“Irby Construction Company, a wholly owned subsidiary of Quanta Services, Inc, excels in the processes required for major transmission, substation and distribution line…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchThane, IndiaHQ recorded Nov 6, 20261,001-5,000398 contacts →

Exact match

“JBS provides the technical solutions for EHV substations and transmission lines that are the best value for money for clients.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchCalgary, NL, CanadaHQ recorded Nov 6, 2026201-500342 contacts →

Exact match

“Rising Edge Group is a high voltage electrical contractor providing safe, cost-effective, and fit-for-purpose project solutions to the power industry.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchLoughborough, United KingdomHQ recorded Nov 6, 2026501-1,000229 contacts →

Exact match

“We support the global drive to net zero with innovative, engineered solutions that address grid resilience and systems challenges, facilitate electrification of transport and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchNieuw-vennep, NetherlandsHQ recorded Nov 6, 2026501-1,000189 contacts →

Exact match

“When your high-voltage project depends on safe, reliable connections, you need specialists who get every connection right.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchStouffville, CanadaHQ recorded Nov 6, 2026201-500187 contacts →

Exact match

“The Power of the one-source solution.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchSurrey, BC, CanadaHQ recorded Nov 6, 2026201-500177 contacts →

Exact match

“A leader in specialized services for the high voltage electric power industry, Allteck's expertise ranges from design and installation to maintenance and repair of high voltage…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchPittsburgh, PA, United StatesHQ recorded Nov 6, 20261,001-5,000169 contacts →

Exact match

“HICO America is the North American headquarters for the HICO family of companies, delivering the infrastructure behind today's most ambitious energy projects.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchPineville, CA, United StatesHQ recorded Nov 6, 202651-200167 contacts →

Exact match

“You needed that substation yesterday.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchComuna 13, ArgentinaHQ recorded Nov 6, 202651-200166 contacts →

Exact match

“SINEC S.A.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchChennai, IndiaHQ recorded Nov 6, 2026501-1,000161 contacts →

Exact match

“delivers end-to-end engineered transmission line hardware solutions-from design and validation to manufacturing and global supply-supporting Utilities and EPC partners in building…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchVilleurbanne, FranceHQ recorded Nov 6, 202651-200160 contacts →

Exact match

“SuperGrid Institute is a private R&D and innovation centre, expert in HVDC and MVDC technologies.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchİstanbul, TürkiyeHQ recorded Nov 6, 2026201-500160 contacts →

Exact match

“Demirer Kablo is among the world’s leading manufacturers in high and extra high voltage energy cables industry.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchHeber, UT, United StatesHQ recorded Nov 6, 2026201-500157 contacts →

Exact match

“Probst specializes in high-voltage transmission line construction, along with design-build, and maintenance services for both the public and private sector utilities.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchSollentuna, SwedenHQ recorded Nov 6, 2026201-500154 contacts →

Exact match

“Craftor AB is a contracting company specialized in design and construction of high voltage powerlines and cables, substations and electric distribution grids at voltage levels up…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchPooraka, AustraliaHQ recorded Nov 6, 2026201-500153 contacts →

Exact match

“PSD Energy’s distinctive operating model (EPC+) combines in-house engineering, manufacturing and system integration, construction and commissioning, supported by a global supply…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchSeville, SpainHQ recorded Nov 6, 202651-200145 contacts →

Exact match

“Somos una compañía de ingeniería y consultoría altamente especializada, ofreciendo servicios integrales de alto valor en proyectos de transmisión, distribución y generación de…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchReading, DE, United StatesHQ recorded Nov 6, 202651-200143 contacts →

Exact match

“Substation Engineering Company (SECo), is a full service engineering and design firm with a dedicated team of experienced personnel providing a full range of cost effective…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchBristol, United KingdomHQ recorded Nov 6, 202651-200129 contacts →

Exact match

“Powered by People.”

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

Showing 25 of 612 hvdc transmission specialists worldwide

See the full list, filter by size, metro and specialty, and access 7,036 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Hvdc transmission specialists worldwide at a glance

As of Nov 6, 2026
30.5%Verified-email coverage
37.6Average contacts per company
11-50Median size (employees)
1.1%Largest-city concentration · Tehran
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
211
11-50
200
51-200
116
201-500
42
501-1,000
12
1,001-5,000
17
5,001-10,000
3
10001+
4

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 hvdc transmission specialists are linked below.
What qualifies
Company records worldwide whose business descriptions match “hvdc transmission specialists” 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 7,036 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.

Hvdc transmission specialists by location

6 lists · largest first

Every Hvdc transmission specialists list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

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 “hvdc transmission specialists”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many hvdc transmission specialists are there worldwide?

RevenueBase identified 612 company matches for hvdc transmission specialists 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?

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

Which country has the most hvdc transmission specialists?

The United Kingdom leads with 67 companies, followed by the United States (60) and India (40). Every hvdc transmission specialists list by country and city is linked on this page.

Which city has the most hvdc transmission specialists?

Tehran leads with 7 company records, followed by Calgary (6) and Ankara (5).

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 7,036 professional contacts with verified work emails tracked across these 612 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.