Company lists · Data refreshed September 2026

Top 25 Power systems maintenance based in Spain

Name: Power systems maintenance based in Spain
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 20, 2026 196 companies tracked

RevenueBase identified 196 power systems maintenance headquartered in Spain as of September 2026 and tracks 2,092 professional contacts across them, including 108 with verified work emails. Madrid is the largest hub.

This list covers power systems maintenance headquartered in Spain, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 20, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 20, 2026 86% judged on-target in blind review

196Companies

2,092Contacts tracked

108Verified emails

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The 25 largest power systems maintenance based in Spain

Ranked by team size

Top 25 of 196 power systems maintenance based in Spain, ranked by team size, largest first. Data refreshed Sep 20, 2026. RevenueBase Smart Search rates how each company's information relates to power systems maintenance: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Iprocel	Indirect evidence	Las Palmas De Gran Canaria, SpainHQ checked Sep 20, 2026	51-200	216 contacts →
	Indirect evidence “IPROCEL es una empresa multinacional fundada en 1993 especializada en la prestación de servicios de ingeniería, puesta en marcha, operación y mantenimiento de sistemas eléctricos…” Source: RevenueBase Database · checked Sep 20, 2026
2	Lowind	Indirect evidence	Huarte, SpainHQ checked Sep 20, 2026	51-200	199 contacts →
	Indirect evidence “Somos una compañía especializada en instalación y mantenimiento de aerogeneradores, plantas fotovoltáicas e instalaciones eléctricas en edificios y plantas industriales.” Source: RevenueBase Database · checked Sep 20, 2026
3	Osmos Sistemas Eléctricos	Indirect evidence	A Coruña, SpainHQ checked Sep 20, 2026	201-500	121 contacts →
	Indirect evidence “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…” Source: RevenueBase Database · checked Sep 20, 2026
4	Serprotech Energy	Indirect evidence	Valencia/valència, SpainHQ checked Sep 20, 2026	51-200	107 contacts →
	Indirect evidence “Somos una empresa de servicios dedicada a ofrecer soluciones en el área de: SERVICIO ESPECIALIZADO DE PERSONAL SERVICIOS DE CAMPO Evaluación, Inspección y Mantenimiento de…” Source: RevenueBase Database · checked Sep 20, 2026
5	Inael Electrical Systems	Partial evidence	Toledo., SpainHQ checked Sep 20, 2026	51-200	56 contacts →
	Partial evidence “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.” Source: RevenueBase Database · checked Sep 20, 2026
6	Elecam	Indirect evidence	San Agustín De Guadalix, SpainHQ checked Sep 20, 2026	11-50	56 contacts →
	Indirect evidence “Empresa dedicada a Instalaciones Eléctricas/energéticas tanto a particulares como grandes empresas.” Source: RevenueBase Database · checked Sep 20, 2026
7	LLANO	Indirect evidence	Siero, SpainHQ checked Sep 20, 2026	51-200	40 contacts →
	Indirect evidence “Electricidad Llano se crea en el año 1990 para dar servicio a las crecientes necesidades en instalaciones eléctricas.” Source: RevenueBase Database · checked Sep 20, 2026
8	Conelec S.A	Indirect evidence	Vigo, SpainHQ checked Sep 20, 2026	51-200	38 contacts →
	Indirect evidence “CONELEC, S.A.” Source: RevenueBase Database · checked Sep 20, 2026
9	Electrorayma UK	Indirect evidence	Narón, SpainHQ checked Sep 20, 2026	201-500	31 contacts →
	Indirect evidence “ElectroRayma, S.L.” Source: RevenueBase Database · checked Sep 20, 2026
10	Rugar S.L	Indirect evidence	Alboraya, SpainHQ checked Sep 20, 2026	51-200	30 contacts →
	Indirect evidence “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…” Source: RevenueBase Database · checked Sep 20, 2026
11	STM Alta Tensión, S.A.U	Indirect evidence	Basauri, SpainHQ checked Sep 20, 2026	51-200	22 contacts →
	Indirect evidence “Mantenimiento de sistemas eléctricos de alta y baja tensión, transformadores de potencia, reles de protección, interruptores AT/BT, equipos de medida, aparellaje… Ensayos de…” Source: RevenueBase Database · checked Sep 20, 2026
12	Elinser Electromechanical Solutions	Partial evidence	Alcalá De Guadaira, SpainHQ checked Sep 20, 2026	51-200	21 contacts →
	Partial evidence “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…” Source: RevenueBase Database · checked Sep 20, 2026
13	E Gedesel	Indirect evidence	Zaragoza, SpainHQ checked Sep 20, 2026	11-50	18 contacts →
	Indirect evidence “Con más de 40 años de experiencia en el sector, nuestros servicios son una garantía de satisfacción.” Source: RevenueBase Database · checked Sep 20, 2026
14	Krilinex Power Solutions	Partial evidence	Bilbao, SpainHQ checked Sep 20, 2026	11-50	17 contacts →
	Partial evidence “You are Power.” Source: RevenueBase Database · checked Sep 20, 2026
15	Moret Electrotecnia, S.L	Indirect evidence	Xirivella, SpainHQ checked Sep 20, 2026	11-50	17 contacts →
	Indirect evidence “EMORET, somos una empresa cuyo recorrido arranca en la década de 1970 como INSTALADORA ELÉCTRICA.” Source: RevenueBase Database · checked Sep 20, 2026
16	Proyectos Y Mantenimientos DE Instrumentacion Y Electricidad S.A	Indirect evidence	Puertollano, SpainHQ checked Sep 20, 2026	501-1,000	16 contacts →
	Indirect evidence “MEISA (nombre comercial de PROYECTOS Y MANTENIMIENTOS DE INSTRUMENTACION Y ELECTRICIDAD S.A) es una empresa de servicios cuya actividad principal se centra en el montaje y…” Source: RevenueBase Database · checked Sep 20, 2026
17	Llamas	Indirect evidence	Alhama De Murcia, SpainHQ checked Sep 20, 2026	51-200	15 contacts →
	Indirect evidence “Empresa originalmente dedicada al ramo de la electricidad, fue fundada como tal en 1985.” Source: RevenueBase Database · checked Sep 20, 2026
18	Proyelec	Indirect evidence	Ciudad Real, SpainHQ checked Sep 20, 2026	11-50	14 contacts →
	Indirect evidence “Esta empresa nace a principios de los años 80, con carácter unipersonal, dedicada al montaje de instalaciones eléctricas, públicas y privadas, principalmente de media y baja…” Source: RevenueBase Database · checked Sep 20, 2026
19	Casa Márquez S.A	Indirect evidence	Sevilla, SpainHQ checked Sep 20, 2026	11-50	12 contacts →
	Indirect evidence “Casa Márquez es una empresa sevillana cuyo origen se remonta a 1932, año en que se crea el nombre comercial de Casa Márquez, dedicada desde sus inicios a las instalaciones…” Source: RevenueBase Database · checked Sep 20, 2026
20	Villa Flores Martín	Indirect evidence	Carmona, SpainHQ checked Sep 20, 2026	11-50	11 contacts →
	Indirect evidence “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…” Source: RevenueBase Database · checked Sep 20, 2026
21	Novoa Technologies	Indirect evidence	A Coruña, SpainHQ checked Sep 20, 2026	201-500	10 contacts →
	Indirect evidence “En Novoa Technologies, somos fabricantes especializados en equipos de media tensión, baja tensión y equipos de respaldo de energía, desarrollando soluciones que garantizan un…” Source: RevenueBase Database · checked Sep 20, 2026
22	Electrificaciones Sancho S.L	Indirect evidence	Morón De La Frontera, SpainHQ checked Sep 20, 2026	11-50	9 contacts →
	Indirect evidence “Somos una empresa situada en la localidad sevillana de Morón de la Frontera con más de 70 años de experiencia dentro del sector eléctrico.” Source: RevenueBase Database · checked Sep 20, 2026
23	Esbain,s.A	Indirect evidence	Getafe, SpainHQ checked Sep 20, 2026	11-50	9 contacts →
	Indirect evidence “Especializada en el Montaje y Mantenimiento de Instalaciones de A.T, M.T.” Source: RevenueBase Database · checked Sep 20, 2026
24	Montajes Eléctricos Diego Díez S.L	Indirect evidence	Ávila, SpainHQ checked Sep 20, 2026	11-50	7 contacts →
	Indirect evidence “Instalaciones eléctricas de alta y baja tensión.” Source: RevenueBase Database · checked Sep 20, 2026
25	Aplitelc Berguedà S.L.U	Indirect evidence	Puig-reig, SpainHQ checked Sep 20, 2026	11-50	6 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 20, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: power systems maintenance. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names power systems maintenance.
Partial evidence: Its own public description names part of power systems maintenance, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name power systems maintenance. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 196 power systems maintenance based in Spain

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Power systems maintenance based in Spain at a glance

As of Sep 20, 2026

5.2%Verified-email coverage

10.7Average contacts per company

11-50Median size (employees)

5.1%Largest-city concentration · Madrid

Sep 20, 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 196 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among power systems maintenance, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies: Companies headquartered in Spain whose own description of what they do matches “power systems maintenance”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search: RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names power systems maintenance), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude: Companies whose own description does not clearly place them among power systems maintenance, and records with no verified work email. Companies headquartered outside Spain are excluded even when they keep an office there.
Match quality: In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 108 across the full list. 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 20, 2026. Lists refresh periodically as the graph is re-checked.
Corrections: Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names power systems maintenance, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many power systems maintenance are there based in Spain?

RevenueBase identified 196 power systems maintenance headquartered in Spain as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Iprocel, headquartered in Las Palmas De Gran Canaria, tops this list with the largest team on record.

Which city has the most power systems maintenance?

Madrid leads with 10 headquartered companies, followed by Sevilla (5) and Zaragoza (5).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 108 verified decision-maker contacts tracked across these 196 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 20, 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 Smart Search, 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.