Company lists · Data refreshed November 2026

Top 19 Substation transformers suppliers based in Spain

RevenueBase identified 62 company matches for substation transformers suppliers associated with Spain as of November 2026 and tracks 2,368 professional contacts across them, including 410 with verified work emails. Madrid is the largest hub.

This list covers company matches for substation transformers suppliers associated with Spain, 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 2, 2026.

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 2, 2026 How this list was built
62Companies
2,368Contacts tracked
410Verified emails
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The 19 largest substation transformers suppliers based in Spain

Ranked by team size
Top 19 of 62 company matches for substation transformers suppliers based in Spain, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 2, 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 matchMungia, SpainHQ recorded Nov 2, 20261,001-5,0001,071 contacts →

Exact match

“The Arteche Group, with 75 years of experience in the electric power industry, offers high-tech solutions and equipment, with a complete range of instrument transformers…”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
2Exact matchDos Hermanas, SpainHQ recorded Nov 2, 2026201-500130 contacts →

Exact match

“CEN Solutions specializes in the design, development, and implementation of electrical equipment and turnkey solutions for the energy, petrochemical, industrial, aerospace, and…”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
3Exact matchVitoria-gasteiz, SpainHQ recorded Nov 2, 202651-200102 contacts →

Exact match

“igor entered the market in 1998 as a technology company in the power electronics sector with a ground-breaking vision with respect to the traditional framework of the industry…”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
4Exact matchPalazuelo-empalme, SpainHQ recorded Nov 2, 2026501-1,00099 contacts →

Exact match

“FARAMAX is a manufacturer of high voltage power transformers, shunt reactors and magnetically controlled shunt reactors (MCSR).”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
5Exact matchSalamanca, SpainHQ recorded Nov 2, 202651-20073 contacts →

Exact match

“Meins is a leading supplier of disruptive and precast solutions in the Renewable Energy, Data Center, and Mobility sectors, specializing in the supply and integration of HV…”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
6Exact matchToledo., SpainHQ recorded Nov 2, 202651-20060 contacts →

Exact match

“Over 45 years endorse us in the Power Sector with advanced solutions in the manufacture and distribution of electrical equipment for medium and high voltage.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
7Exact matchMasamagrell, SpainHQ recorded Nov 2, 202651-20052 contacts →

Exact match

“Iberapa manufacturer of high voltage electrical control and protection equipment: distribution overhead lines, AT MT substations, secondary transformer stations, wind farms…”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
8Exact matchAlcalá De Guadaira, SpainHQ recorded Nov 2, 202651-20023 contacts →

Exact match

“Elinser is an innovator company on the energy sector, dedicated to the integral maintenance and service of transformers and the management of the integral projects, in high and…”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
9Exact matchMontornés Del Vallés, SpainHQ recorded Nov 2, 202611-5018 contacts →

Exact match

“Specialists in tailor-made instrument transformers since 1954, RS ISOLSEC offer an extensive product range: manufacture and supply of instrument transformers, current transformers…”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
10Exact matchBilbao, SpainHQ recorded Nov 2, 202611-5017 contacts →

Exact match

“You are Power.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
11Exact matchLos Yébenes, SpainHQ recorded Nov 2, 202651-20015 contacts →

Exact match

“FAMMSA (Fabricaciones Metálicas Moreno, S.A) Empresa dedicada desde 1979 a la fabricación, diseño y cálculo de apoyos metálicos de celosía para líneas eléctricas de…”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
12Exact matchAlbacete, SpainHQ recorded Nov 2, 202651-20012 contacts →

Exact match

“Somos una empresa de arraigo familiar presente en todos los sectores de la actividad económica residencial, industrial (Media Tensión con un amplio stock de transformadores de MT…”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
13Exact matchSant Adrià De Besòs, SpainHQ recorded Nov 2, 202611-5010 contacts →

Exact match

“REISA ofrece soluciones integrales para estaciones de servicio así como subestaciones eléctricas”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
14Exact matchCornellà De Llobregat, SpainHQ recorded Nov 2, 202611-509 contacts →

Exact match

“Laboratorio Electrotécnico, is a company specialized in the manufacture of medium voltage transformers, switches, transformation centers for railway lines.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
15Exact matchA Coruña, SpainHQ recorded Nov 2, 2026201-5009 contacts →

Exact match

“En Novoa Technologies, somos fabricantes especializados en equipos de media tensión, baja tensión y equipos de respaldo de energía, desarrollando soluciones que garantizan un…”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
16Exact matchBarbera Del Vallés, SpainHQ recorded Nov 2, 202611-504 contacts →

Exact match

“Operamos en instalaciones grandes y medianas de alta tensión, centros de transformación, medida y protección; naves industriales, edificios, locales u otras instalaciones de baja…”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
17Exact matchCoslada, SpainHQ recorded Nov 2, 202611-504 contacts →

Exact match

“PASERO es una empresa referente en los servicios industriales dirigidos al sector de la distribución eléctrica.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
18Exact matchMassanassa, SpainHQ recorded Nov 2, 20261-101 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
19Exact matchSant Cugat Del Vallès, SpainHQ recorded Nov 2, 20261-101 contacts →

Exact match

“TESS is a leading company in the energy sector, specialising in transformer service, supply of spares, production and supply of heat exchangers and spares.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase

Showing 19 of 62 substation transformers suppliers based in Spain

See the full list, filter by size, metro and specialty, and access 410 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Substation transformers suppliers based in Spain at a glance

As of Nov 2, 2026
17.3%Verified-email coverage
38.2Average contacts per company
11-50Median size (employees)
8.1%Largest-city concentration · Madrid
Nov 2, 2026Page data refreshed

Companies by employee count

1-10
9
11-50
33
51-200
13
201-500
5
501-1,000
1
1,001-5,000
1

Email recency for this list is measured worldwide rather than for Spain, so it is reported there. Company counts and contact totals on this page are exact for Spain, over 62 companies.

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.
What qualifies
Company records associated with Spain whose business descriptions match “substation transformers suppliers” 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. Where headquarters information is recorded, preview rows are also filtered to this page’s location. 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 410 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 2, 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.

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 “substation transformers suppliers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many substation transformers suppliers are there based in Spain?

RevenueBase identified 62 company matches for substation transformers suppliers associated with Spain 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?

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

Which city has the most substation transformers suppliers?

Madrid leads with 5 company records, followed by Seville (3) and Alcala De Guadaira (2).

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 410 professional contacts with verified work emails tracked across these 62 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 2, 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.