Company lists · Data refreshed November 2026

Top 25 Railroad electrification contractors based in Spain

RevenueBase identified 237 company matches for railroad electrification contractors associated with Spain as of November 2026 and tracks 4,264 professional contacts across them, including 242 with verified work emails. Madrid is the largest hub.

This list covers company matches for railroad electrification contractors 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 6, 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 6, 2026 How this list was built
237Companies
4,264Contacts tracked
242Verified emails
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The 25 largest railroad electrification contractors based in Spain

Ranked by team size
Top 25 of 237 company matches for railroad electrification contractors based in Spain, 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 matchFuenlabrada, SpainHQ recorded Nov 6, 2026201-500755 contacts →

Exact match

“Empresa especializada en la ingenieria, desarrollo, construccion, instalación, y puesta en marcha de instalaciones de telecomunicaciones, electricidad, señalización, redes de…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchAlcobendas, SpainHQ recorded Nov 6, 2026501-1,000192 contacts →

Exact match

“Railway Energy Systems International Contractor”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchMadrid, SpainHQ recorded Nov 6, 2026201-500151 contacts →

Exact match

“ELECTRÉN, S.A.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchA Coruña, SpainHQ recorded Nov 6, 2026201-500138 contacts →

Exact match

“LA EMPRESA Y SUS VALORES Osmos tiene por misión la prestación de servicios eléctricos, abarcando la instalación desde su concepción, realizando el montaje y manteniendo las…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchAlcobendas., SpainHQ recorded Nov 6, 202651-200106 contacts →

Exact match

“At Telice we design, install and maintain rail electrification, signaling and communication systems for the rail and industrial sector.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchAviles, SpainHQ recorded Nov 6, 202651-20095 contacts →

Exact match

“Electroinnova instalaciones y mantenimientos S.L es una empresa asturiana con una clara voación de expansión internacional que nace con el objetivo de ofrecer y solucionar…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchBarcelona, SpainHQ recorded Nov 6, 2026201-50075 contacts →

Exact match

“LYMET, con más de 30 años de existencia, es la sociedad de cabecera de un grupo de empresas, formado actualmente por la propia LYMET, por LYMET Energía, LYMET Obra Civil, LYMET…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchSan Agustín De Guadalix, SpainHQ recorded Nov 6, 202611-5071 contacts →

Exact match

“Empresa dedicada a Instalaciones Eléctricas/energéticas tanto a particulares como grandes empresas.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchMadrid, SpainHQ recorded Nov 6, 202651-20062 contacts →

Exact match

“Inse Rail es una compañía independiente, fundada en 1994, dedicada a la ingeniería y consultoría en los sectores ferroviario, industrial, de energía y edificación, desarrollando…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchFuenlabrada, SpainHQ recorded Nov 6, 202651-20058 contacts →

Exact match

“FLULLE surge en 1990 en Fuenlabrada (Madrid) como empresa de instalaciones eléctricas.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchVigo, SpainHQ recorded Nov 6, 202651-20051 contacts →

Exact match

“CONELEC, S.A.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchAlcobendas, SpainHQ recorded Nov 6, 202651-20049 contacts →

Exact match

“INGENIERÍA Y CONTROL FERROVIARIO S.A,ICF, arise with the aim of providing innovative technological response in some specific areas of the railway, mainly in the area of Level…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchMadrid, SpainHQ recorded Nov 6, 202651-20038 contacts →

Exact match

“TROYA constructora especializada en obra civil y mantenimiento de infraestructura de transportes (principalmente ferroviarias), así como de nuevos proyectos de diseño y adecuación…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchAlboraya, SpainHQ recorded Nov 6, 202651-20037 contacts →

Exact match

“La empresa fue fundada en su actual estructura de sociedad limitada (después de unos años de andadura con otra estructura empresarial), por la familia Ruiz – Juliá, en enero del…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchMontcada I Reixac, SpainHQ recorded Nov 6, 202651-20036 contacts →

Exact match

“Inserty es referente en el sector de las instalaciones de comunicaciones y eléctricas.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchSan Fernando De Henares, SpainHQ recorded Nov 6, 202651-20028 contacts →

Exact match

“Especialistas en la realización de Ingeniería Global para infraestructuras eléctricas.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchZaragoza, SpainHQ recorded Nov 6, 202651-20023 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchCoslada, SpainHQ recorded Nov 6, 202611-5018 contacts →

Exact match

“Somos una compañía especializada en ingeniería, fabricación, instalación y mantenimiento de infraestructuras críticas para los sectores ferroviario y energético.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchLas Torres De Cotillas, SpainHQ recorded Nov 6, 202651-20017 contacts →

Exact match

“IPEJMA SERVICIOS ELECTRICOS SL is a construction company based out of Carril Los Matias n8, La Loma - Las Torres de Cotillas Murcia, Spain.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchCarmona, SpainHQ recorded Nov 6, 202611-5017 contacts →

Exact match

“Para conocer los orígenes de Villa Flores Martín debemos remontarnos al año 1981: cuando tres profesionales con larga experiencia en el montaje eléctrico se unieron para crear la…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchMunguía, SpainHQ recorded Nov 6, 202611-5016 contacts →

Exact match

“We are specialized in designing, developing and manufacturing hardware and fittings for overhead railway lines.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchZaragoza, SpainHQ recorded Nov 6, 202651-20015 contacts →

Exact match

“Empresa del Grupo Aldesa especializada en construcción, reparación, conservación y modernización en obras ferroviarias: vía, electrificación, túneles e infraestructuras.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchFuente Vaqueros, SpainHQ recorded Nov 6, 202651-20015 contacts →

Exact match

“Empresa instaladora y de mantenimiento de infraestructuras técnicas, consolidada y con una amplia implantación profesional en el ámbito nacional e internacional.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchOurense, SpainHQ recorded Nov 6, 202651-20014 contacts →

Exact match

“Somos una empresa con más de 40 años de experiencia en la construcción de Líneas Eléctricas Aéreas y Subterráneas de Alta Tensión, en constante crecimiento y desarrollo.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchVigo, SpainHQ recorded Nov 6, 202611-5014 contacts →

Exact match

“ACEUVE Always On, expertos en electricidad, clima y mantenimiento, comprometidos con la excelencia.”

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

Showing 25 of 237 railroad electrification contractors based in Spain

See the full list, filter by size, metro and specialty, and access 242 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Railroad electrification contractors based in Spain at a glance

As of Nov 6, 2026
5.7%Verified-email coverage
18.0Average contacts per company
11-50Median size (employees)
8.9%Largest-city concentration · Madrid
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
66
11-50
116
51-200
36
201-500
10
501-1,000
2
1,001-5,000
2

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 237 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 “railroad electrification 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. 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 242 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.

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 “railroad electrification contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many railroad electrification contractors are there based in Spain?

RevenueBase identified 237 company matches for railroad electrification contractors 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?

Comfica Soluciones Integrales S.L tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most railroad electrification contractors?

Madrid leads with 21 company records, followed by Barcelona (8) and Zaragoza (6).

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 242 professional contacts with verified work emails tracked across these 237 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.