Company lists · Data refreshed September 2026

Top 25 Industrial transformers manufacturers based in Spain

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

Compiled by the RevenueBase Data Team Data refreshed Sep 17, 2026 93 companies tracked

RevenueBase identified 93 company matches for industrial transformers manufacturers associated with Spain as of September 2026 and tracks 3,579 professional contacts across them, including 619 with verified work emails. Madrid is the largest hub.

This list covers company matches for industrial transformers manufacturers 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 September 17, 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 Sep 17, 2026 How this list was built

93Companies

3,579Contacts tracked

619Verified emails

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The 25 largest industrial transformers manufacturers based in Spain

Ranked by team size

Top 25 of 93 company matches for industrial transformers manufacturers based in Spain, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 17, 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	Ormazabal	Exact match	Derio, SpainHQ recorded Sep 17, 2026	1,001-5,000	1,014 contacts →
	Exact match “We are experts in customized and high-tech electrical solutions for your challenges At Ormazabal we design and manufacture solutions aimed at digitalizing the electrical grid to…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
2	Arteche	Exact match	Mungia, SpainHQ recorded Sep 17, 2026	1,001-5,000	993 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 · Sep 17, 2026 · View company records in RevenueBase
3	Mtech Group	Exact match	Pinto, SpainHQ recorded Sep 17, 2026	201-500	162 contacts →
	Exact match “Somos Mtech Group y ofrecemos soluciones 360 en el sector de la energía.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
4	CEN Solutions	Exact match	Dos Hermanas, SpainHQ recorded Sep 17, 2026	201-500	121 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 · Sep 17, 2026 · View company records in RevenueBase
5	Premium PSU	Exact match	Hospitalet De Llobregat, SpainHQ recorded Sep 17, 2026	51-200	118 contacts →
	Exact match “At Premium PSU, we specialize in the design and manufacturing of power conversion systems.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
6	Zigor Corporation S.A	Exact match	Vitoria-gasteiz, SpainHQ recorded Sep 17, 2026	51-200	95 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 · Sep 17, 2026 · View company records in RevenueBase
7	Faramax	Exact match	Palazuelo-empalme, SpainHQ recorded Sep 17, 2026	501-1,000	83 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 · Sep 17, 2026 · View company records in RevenueBase
8	MEINS	Exact match	Salamanca, SpainHQ recorded Sep 17, 2026	51-200	63 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 · Sep 17, 2026 · View company records in RevenueBase
9	Inael Electrical Systems	Exact match	Toledo., SpainHQ recorded Sep 17, 2026	51-200	56 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 · Sep 17, 2026 · View company records in RevenueBase
10	Orbis Tecnología Eléctrica S.A	Exact match	Madrid, SpainHQ recorded Sep 17, 2026	51-200	52 contacts →
	Exact match “Disfrutamos desde hace 75 años de la energía de nuestros clientes y colaboradores para diseñar y fabricar el más avanzado material eléctrico orientado a la gestión y la eficiencia…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
11	Iberapa Iberica DE Aparellajes	Exact match	Masamagrell, SpainHQ recorded Sep 17, 2026	51-200	46 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 · Sep 17, 2026 · View company records in RevenueBase
12	Imefy S.L	Exact match	Los Yebenes, SpainHQ recorded Sep 17, 2026	51-200	42 contacts →
	Exact match “Desde que en 1973 IMEFY inició la fabricación transformadores de distribución en líquidos dieléctricos (aceite y silicona) y posteriormente en resina epoxi, ha mantenido un…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
13	Electrorayma UK	Exact match	Narón, SpainHQ recorded Sep 17, 2026	201-500	31 contacts →
	Exact match “ElectroRayma, S.L.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
14	Polylux, S.L	Exact match	Barcelona, SpainHQ recorded Sep 17, 2026	51-200	28 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 · Sep 17, 2026 · View company records in RevenueBase
15	Elinser Electromechanical Solutions	Exact match	Alcalá De Guadaira, SpainHQ recorded Sep 17, 2026	51-200	21 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 · Sep 17, 2026 · View company records in RevenueBase
16	RS Isolsec S.L.U	Exact match	Montornés Del Vallés, SpainHQ recorded Sep 17, 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 · Sep 17, 2026 · View company records in RevenueBase
17	Aplei, S.A	Exact match	Seville, SpainHQ recorded Sep 17, 2026	51-200	18 contacts →
	Exact match “APLEI es una empresa especializada en la producción de material eléctrico para uso industrial con más de 60 años de trayectoria, que se ha afianzado como una de las compañías de…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
18	Krilinex Power Solutions	Exact match	Bilbao, SpainHQ recorded Sep 17, 2026	11-50	17 contacts →
	Exact match “You are Power.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
19	Fammsa Fabricaciones Metálicas Moreno, S.A	Exact match	Los Yébenes, SpainHQ recorded Sep 17, 2026	51-200	14 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 · Sep 17, 2026 · View company records in RevenueBase
20	Simsagroup Technologies SA	Exact match	Badalona, SpainHQ recorded Sep 17, 2026	51-200	13 contacts →
	Exact match “SimsaGroup es una compañía fundada en 1981.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
21	Jesiva Transformers S.L	Exact match	Vilamarxant, SpainHQ recorded Sep 17, 2026	51-200	11 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 · Sep 17, 2026 · View company records in RevenueBase
22	Aristos Industrial	Exact match	San Fernando De Henares, SpainHQ recorded Sep 17, 2026	11-50	11 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 · Sep 17, 2026 · View company records in RevenueBase
23	Novoa Technologies	Exact match	A Coruña, SpainHQ recorded Sep 17, 2026	201-500	10 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 · Sep 17, 2026 · View company records in RevenueBase
24	Laboratorio Electrotécnico	Exact match	Cornellà De Llobregat, SpainHQ recorded Sep 17, 2026	11-50	8 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 · Sep 17, 2026 · View company records in RevenueBase
25	Suesa Subconjuntos Electrónicos, S.A	Exact match	Zamudio, SpainHQ recorded Sep 17, 2026	51-200	8 contacts →
	Exact match “Fabricante de transformadores, bobinas y subconjuntos eléctricos y electrónicos” Recorded in the RevenueBase company graph · Sep 17, 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 “industrial transformers manufacturers”. 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 93 industrial transformers manufacturers based in Spain

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Industrial transformers manufacturers based in Spain at a glance

As of Sep 17, 2026

17.3%Verified-email coverage

38.5Average contacts per company

11-50Median size (employees)

8.6%Largest-city concentration · Madrid

Sep 17, 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 93 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 “industrial transformers manufacturers” 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 619 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 September 17, 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 “industrial transformers manufacturers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many industrial transformers manufacturers are there based in Spain?

RevenueBase identified 93 company matches for industrial transformers manufacturers associated with Spain as of September 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?

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

Which city has the most industrial transformers manufacturers?

Madrid leads with 8 company records, followed by Barcelona (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 619 professional contacts with verified work emails tracked across these 93 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 September 17, 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.