Company lists · Data refreshed October 2026

Top 25 Electric transformers suppliers based in Spain

Name: Electric transformers suppliers based in Spain
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 25, 2026 82 companies tracked

RevenueBase identified 82 company matches for electric transformers suppliers associated with Spain as of October 2026 and tracks 2,331 professional contacts across them, including 430 with verified work emails. Madrid is the largest hub.

This list covers company matches for electric 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 October 25, 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 Oct 25, 2026 How this list was built

82Companies

2,331Contacts tracked

430Verified emails

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The 25 largest electric transformers suppliers based in Spain

Ranked by team size

Top 25 of 82 company matches for electric transformers suppliers based in Spain, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 25, 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Arteche	Exact match	Mungia, SpainHQ recorded Oct 25, 2026	1,001-5,000	1,071 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 · Oct 25, 2026 · View company records in RevenueBase
2	CEN Solutions	Exact match	Dos Hermanas, SpainHQ recorded Oct 25, 2026	201-500	130 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 · Oct 25, 2026 · View company records in RevenueBase
3	Faramax	Exact match	Palazuelo-empalme, SpainHQ recorded Oct 25, 2026	501-1,000	99 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 · Oct 25, 2026 · View company records in RevenueBase
4	Inael Electrical Systems	Exact match	Toledo., SpainHQ recorded Oct 25, 2026	51-200	60 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 · Oct 25, 2026 · View company records in RevenueBase
5	Sumelec Grupo	Exact match	Noáin, SpainHQ recorded Oct 25, 2026	51-200	58 contacts →
	Exact match “Desde hace más de 40 años, Sumelec proporciona un servicio global, incluye desde el asesoramiento técnico al suministro de material eléctrico y soporte logístico.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
6	Conelec S.A	Exact match	Vigo, SpainHQ recorded Oct 25, 2026	51-200	52 contacts →
	Exact match “CONELEC, S.A.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
7	Iberapa Iberica DE Aparellajes	Exact match	Masamagrell, SpainHQ recorded Oct 25, 2026	51-200	52 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 · Oct 25, 2026 · View company records in RevenueBase
8	Grupo JAB	Exact match	Zaragoza, SpainHQ recorded Oct 25, 2026	51-200	42 contacts →
	Exact match “Somos una empresa orientada a ofrecer asesoramiento y producto de calidad en el suministro de material eléctrico.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
9	XB Components SA	Exact match	Badalona, SpainHQ recorded Oct 25, 2026	11-50	34 contacts →
	Exact match “Since our foundation in 1985, XB Components has been offering customised electrical component solutions to customers all over the world.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
10	Electrorayma UK	Exact match	Narón, SpainHQ recorded Oct 25, 2026	201-500	33 contacts →
	Exact match “ElectroRayma, S.L.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
11	Polylux, S.L	Exact match	Barcelona, SpainHQ recorded Oct 25, 2026	51-200	30 contacts →
	Exact match “POLYLUX is a spanish company with over 50 years of experience in the manufacture of products for the voltage conversion, safety and quality of electrical energy.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
12	Elinser Electromechanical Solutions	Exact match	Alcalá De Guadaira, SpainHQ recorded Oct 25, 2026	51-200	23 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 · Oct 25, 2026 · View company records in RevenueBase
13	RS Isolsec S.L.U	Exact match	Montornés Del Vallés, SpainHQ recorded Oct 25, 2026	11-50	18 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 · Oct 25, 2026 · View company records in RevenueBase
14	Inproafe	Exact match	Fene, SpainHQ recorded Oct 25, 2026	51-200	18 contacts →
	Exact match “En INPROAFE contribuimos al desarrollo tecnológico del tejido industrial, poniendo a disposición del cliente productos adaptados a sus exigencias con la máxima calidad y servicio…” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
15	Krilinex Power Solutions	Exact match	Bilbao, SpainHQ recorded Oct 25, 2026	11-50	17 contacts →
	Exact match “You are Power.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
16	Fammsa Fabricaciones Metálicas Moreno, S.A	Exact match	Los Yébenes, SpainHQ recorded Oct 25, 2026	51-200	15 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 · Oct 25, 2026 · View company records in RevenueBase
17	Suesa Subconjuntos Electrónicos, S.A	Exact match	Zamudio, SpainHQ recorded Oct 25, 2026	51-200	13 contacts →
	Exact match “Fabricante de transformadores, bobinas y subconjuntos eléctricos y electrónicos” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
18	Jesiva Transformers S.L	Exact match	Vilamarxant, SpainHQ recorded Oct 25, 2026	51-200	12 contacts →
	Exact match “Desde la fundación de JESIVA en el año 1971, nos hemos especializado en la fabricación de todo tipo de transformadores e inductivos.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
19	Sumeba	Exact match	Albacete, SpainHQ recorded Oct 25, 2026	51-200	12 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 · Oct 25, 2026 · View company records in RevenueBase
20	Monser Electricidad S.L	Exact match	Paiporta, SpainHQ recorded Oct 25, 2026	51-200	11 contacts →
	Exact match “En Monser Electricidad S.l.” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
21	Aristos Industrial	Exact match	San Fernando De Henares, SpainHQ recorded Oct 25, 2026	11-50	10 contacts →
	Exact match “ARISTOS INDUSTRIAL es una empresa de material eléctrico industrial en baja y media tensión con sede en Calle del Mar Mediterráneo, 34, 28830, San Fernando de Henares, Madrid…” Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase
22	Laboratorio Electrotécnico	Exact match	Cornellà De Llobregat, SpainHQ recorded Oct 25, 2026	11-50	9 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 · Oct 25, 2026 · View company records in RevenueBase
23	Novoa Technologies	Exact match	A Coruña, SpainHQ recorded Oct 25, 2026	201-500	9 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 · Oct 25, 2026 · View company records in RevenueBase
24	Pasero	Exact match	Coslada, SpainHQ recorded Oct 25, 2026	11-50	4 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 · Oct 25, 2026 · View company records in RevenueBase
25	Elesa Transformadores S.A.U	Exact match	Deba, SpainHQ recorded Oct 25, 2026	11-50	4 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 25, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “electric transformers suppliers”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 82 electric transformers suppliers based in Spain

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Electric transformers suppliers based in Spain at a glance

As of Oct 25, 2026

18.4%Verified-email coverage

28.4Average contacts per company

11-50Median size (employees)

6.1%Largest-city concentration · Madrid

Oct 25, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

1,001-5,000

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 82 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 “electric 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 430 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 25, 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 “electric transformers suppliers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many electric transformers suppliers are there based in Spain?

RevenueBase identified 82 company matches for electric transformers suppliers associated with Spain 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?

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

Which city has the most electric transformers suppliers?

Madrid leads with 5 company records, followed by Murcia (4) and Seville (4).

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 430 professional contacts with verified work emails tracked across these 82 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 25, 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.