Company lists · Data refreshed October 2026
Top 22 Critical power infrastructure contractors based in Spain
RevenueBase identified 111 company matches for critical power infrastructure contractors associated with Spain as of October 2026 and tracks 2,328 professional contacts across them, including 276 with verified work emails. Madrid is the largest hub.
This list covers company matches for critical power infrastructure 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 October 10, 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.
The 22 largest critical power infrastructure contractors based in Spain
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 672 contacts → | ||||
Exact match “Insyte Instalaciones inicia su actividad en 1990 como empresa instaladora en el sector eléctrico y de telecomunicaciones.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase | |||||
| 2 | 322 contacts → | ||||
Exact match “HIMOINSA is a global corporation that designs, manufactures and distributes power generation equipment worldwide.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase | |||||
| 3 | 276 contacts → | ||||
Exact match “Salicru is the leading power electronics company in Spain.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase | |||||
| 4 | 183 contacts → | ||||
Exact match “Railway Energy Systems International Contractor” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase | |||||
| 5 | 56 contacts → | ||||
Exact match “SESELEC es una empresa EPC especializada en infraestructura eléctrica (Subestaciones, Líneas de Transmisión, Plantas Fotovoltaicas) dentro de México, Latinoamérica y España.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase | |||||
| 6 | 45 contacts → | ||||
Exact match “GAROC (GRUPO DE ARQUITECTURA Y OBRA CIVIL), nace en mayo de 2003 en Ciudad Real donde tiene su sede Social.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase | |||||
| 7 | 40 contacts → | ||||
Exact match “TDI Sistemas es una compañía de capital privado íntegramente español.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase | |||||
| 8 | 31 contacts → | ||||
Exact match “SIERRA Ingeniería Eléctrica empresa de reconocida trayectoria en los sectores de las instalaciones eléctricas, especiales, ingeniería, mantenimiento y montaje de cuadros…” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase | |||||
| 9 | 22 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase | |||||
| 10 | 17 contacts → | ||||
Exact match “Con más de 40 años de experiencia en el sector, nuestros servicios son una garantía de satisfacción.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase | |||||
| 11 | 13 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 · Oct 10, 2026 · View company records in RevenueBase | |||||
| 12 | 13 contacts → | ||||
Exact match “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…” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase | |||||
| 13 | 7 contacts → | ||||
Exact match “INFRALECT POWER EVENTS, S.A.U.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase | |||||
| 14 | 7 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase | |||||
| 15 | 5 contacts → | ||||
Exact match “La infraestructura crítica no debería depender de la suerte.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase | |||||
| 16 | 5 contacts → | ||||
Exact match “Empresa dedicada a la instalación y mantenimiento eléctrico de alta, baja tensión y grupos electrógenos, así como a la realización de estudios energéticos y termográficos.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase | |||||
| 17 | 4 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 · Oct 10, 2026 · View company records in RevenueBase | |||||
| 18 | 4 contacts → | ||||
Exact match “Oval Energy es una compañía enfocada en la venta y mantenimiento de grupos electrógenos, ofreciendo soluciones confiables y eficientes para garantizar la continuidad energética.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase | |||||
| 19 | 4 contacts → | ||||
Exact match “Placas solares, generadores, grupos electrógenos Soma-Genpower.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase | |||||
| 20 | 3 contacts → | ||||
Exact match “Norwatt: Experience, personalized service and commitment to the environment: We don’t only sell products - our main endeavour is to provide clients with SOLUTIONS SPECIFICALLY…” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase | |||||
| 21 | 3 contacts → | ||||
Exact match “ALTERVAC, es una empresa que orienta su actividad a ofrecer las últimas tecnologías en Sistemas de Alimentación Ininterrumpida (SAI), Estabilizadores de Tensión, Sistemas de…” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase | |||||
| 22 | 2 contacts → | ||||
Exact match “Empresa con más de 20 años en el sector.” Recorded in the RevenueBase company graph · Oct 10, 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 “critical power infrastructure contractors”. 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 22 of 111 critical power infrastructure contractors based in Spain
See the full list, filter by size, metro and specialty, and access 276 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Critical power infrastructure contractors based in Spain at a glance
As of Oct 10, 2026Companies by employee count
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 111 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 “critical power infrastructure 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 276 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 10, 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 “critical power infrastructure contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many critical power infrastructure contractors are there based in Spain?
RevenueBase identified 111 company matches for critical power infrastructure contractors 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?
Insyte Instalaciones tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most critical power infrastructure contractors?
Madrid leads with 13 company records, followed by Barcelona (9) and Alcobendas (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 276 professional contacts with verified work emails tracked across these 111 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 10, 2026.
Ready to reach these companies? Verified emails and direct dials for all 111 critical power infrastructure contractors based in Spain. Start with a free account, no credit card.
Download this list →Related lists
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- Critical power infrastructure contractors based in Argentina
- Critical power infrastructure contractors based in Australia
- Critical power infrastructure contractors based in Belgium
- Critical power infrastructure contractors based in Brazil
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.
More company lists
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- New lists
- Critical power infrastructure contractors based in Belo Horizonte, Brazil
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Company intelligence · public preview
Top 22 critical power infrastructure contractors based in Spain
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 111 matching company records for critical power infrastructure contractors based in Spain, with 2,328 tracked contacts and 276 verified work emails.
This public preview shows 22 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 10, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 22 critical power infrastructure contractors based in Spain
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Insyte Instalacionesinsyteinstalaciones.esHQ: Getafe, SpainReported employees: 1,001-5,000 | Getafe, Spain | 1,001-5,000 | Exact match | 672 contacts → |
“Insyte Instalaciones inicia su actividad en 1990 como empresa instaladora en el sector eléctrico y de telecomunicaciones.” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Himoinsahimoinsa.comHQ: San Javier, SpainReported employees: 501-1,000 | San Javier, Spain | 501-1,000 | Exact match | 322 contacts → |
“HIMOINSA is a global corporation that designs, manufactures and distributes power generation equipment worldwide.” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Salicrusalicru.comHQ: Palautordera, SpainReported employees: 201-500 | Palautordera, Spain | 201-500 | Exact match | 276 contacts → |
“Salicru is the leading power electronics company in Spain.” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Syneox Railsyneox.comHQ: Alcobendas, SpainReported employees: 501-1,000 | Alcobendas, Spain | 501-1,000 | Exact match | 183 contacts → |
“Railway Energy Systems International Contractor” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Seselec Españaseselec.comHQ: Madrid, SpainReported employees: 51-200 | Madrid, Spain | 51-200 | Exact match | 56 contacts → |
“SESELEC es una empresa EPC especializada en infraestructura eléctrica (Subestaciones, Líneas de Transmisión, Plantas Fotovoltaicas) dentro de México, Latinoamérica y España.” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | GAROCgaroc.es HQ: Ciudad Real, SpainReported employees: 201-500 | Ciudad Real, Spain | 201-500 | Exact match | 45 contacts → |
“GAROC (GRUPO DE ARQUITECTURA Y OBRA CIVIL), nace en mayo de 2003 en Ciudad Real donde tiene su sede Social.” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  TDI Sistemas S.Ltdi-sistemas.comHQ: Madrid, SpainReported employees: 51-200 | Madrid, Spain | 51-200 | Exact match | 40 contacts → |
“TDI Sistemas es una compañía de capital privado íntegramente español.” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Sierra Ingeniería Eléctricasierraingenieriaelectrica.esHQ: Coslada, SpainReported employees: 51-200 | Coslada, Spain | 51-200 | Exact match | 31 contacts → |
“SIERRA Ingeniería Eléctrica empresa de reconocida trayectoria en los sectores de las instalaciones eléctricas, especiales, ingeniería, mantenimiento y montaje de cuadros…” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Ogisa Infraestructuras S.Aogisa.esHQ: Zaragoza, SpainReported employees: 51-200 | Zaragoza, Spain | 51-200 | Exact match | 22 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 10 |  E Gedeselgedesel.comHQ: Zaragoza, SpainReported employees: 11-50 | Zaragoza, Spain | 11-50 | Exact match | 17 contacts → |
“Con más de 40 años de experiencia en el sector, nuestros servicios son una garantía de satisfacción.” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Segade Saelco SAsegade.es HQ: Ourense, SpainReported employees: 51-200 | Ourense, Spain | 51-200 | Exact match | 13 contacts → |
“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 description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Proyelecmontajesproyelec.comHQ: Ciudad Real, SpainReported employees: 11-50 | Ciudad Real, Spain | 11-50 | Exact match | 13 contacts → |
“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…” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Infralect Power Eventsinfralect.esHQ: Barberà Del Vallès, SpainReported employees: 11-50 | Barberà Del Vallès, Spain | 11-50 | Exact match | 7 contacts → |
“INFRALECT POWER EVENTS, S.A.U.” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Viman Services And Sistems SLvimansl.es HQ: Alfafar, SpainReported employees: 51-200 | Alfafar, Spain | 51-200 | Exact match | 7 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 15 |  Phasakphasak.comHQ: Zamora, SpainReported employees: 11-50 | Zamora, Spain | 11-50 | Exact match | 5 contacts → |
“La infraestructura crítica no debería depender de la suerte.” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Matyse Desarrollos Electricosmatyse.es HQ: Madrid, SpainReported employees: 11-50 | Madrid, Spain | 11-50 | Exact match | 5 contacts → |
“Empresa dedicada a la instalación y mantenimiento eléctrico de alta, baja tensión y grupos electrógenos, así como a la realización de estudios energéticos y termográficos.” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Doica Gestión S.Ldoica.netHQ: Barbera Del Vallés, SpainReported employees: 11-50 | Barbera Del Vallés, Spain | 11-50 | Exact match | 4 contacts → |
“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 description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Oval Energy SLovalenergy.com HQ: Barcelona, SpainReported employees: 11-50 | Barcelona, Spain | 11-50 | Exact match | 4 contacts → |
“Oval Energy es una compañía enfocada en la venta y mantenimiento de grupos electrógenos, ofreciendo soluciones confiables y eficientes para garantizar la continuidad energética.” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Soma-Genpowergenpower.es HQ: Torrefarrera, SpainReported employees: 1-10 | Torrefarrera, Spain | 1-10 | Exact match | 4 contacts → |
“Placas solares, generadores, grupos electrógenos Soma-Genpower.” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Norwatt SLUnorwatt.esHQ: Gijón, SpainReported employees: 1-10 | Gijón, Spain | 1-10 | Exact match | 3 contacts → |
“Norwatt: Experience, personalized service and commitment to the environment: We don’t only sell products - our main endeavour is to provide clients with SOLUTIONS SPECIFICALLY…” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Altervac SAaltervac.comHQ: Sant Celoni, SpainReported employees: 1-10 | Sant Celoni, Spain | 1-10 | Exact match | 3 contacts → |
“ALTERVAC, es una empresa que orienta su actividad a ofrecer las últimas tecnologías en Sistemas de Alimentación Ininterrumpida (SAI), Estabilizadores de Tensión, Sistemas de…” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Winerconwinercon.es HQ: Benaguacil, SpainReported employees: 11-50 | Benaguacil, Spain | 11-50 | Exact match | 2 contacts → |
“Empresa con más de 20 años en el sector.” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 22 of 111 company matches
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Critical power infrastructure contractors: dataset insights
October 10, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
111 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 111 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: October 10, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for critical power infrastructure contractors?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many critical power infrastructure contractors did RevenueBase find based in Spain?
The saved snapshot records 111 matching company records, 2,328 tracked contacts and 276 verified emails. The public preview displays 22 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: October 10, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Critical power infrastructure contractors by geography
- Critical power infrastructure contractors based in Belo Horizonte, Brazil
- Critical power infrastructure contractors based in Sao Paulo, Brazil
- Critical power infrastructure contractors based in Calgary, Canada
- Critical power infrastructure contractors based in Noida, India
- Critical power infrastructure contractors based in Dubai, United Arab Emirates
- Critical power infrastructure contractors based in London, United Kingdom
- Critical power infrastructure contractors based in Houston, United States
- Critical power infrastructure contractors based in Miami, United States
- Critical power infrastructure contractors based in Argentina
- Critical power infrastructure contractors based in Australia
- Critical power infrastructure contractors based in Belgium
- Critical power infrastructure contractors based in Brazil
Cite this list
RevenueBase Data Team. Top 22 critical power infrastructure contractors based in Spain. Snapshot: October 10, 2026. https://revenuebase.ai/companies/critical-power-infrastructure-contractors/spain.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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Company intelligence · public preview
Top 22 critical power infrastructure contractors based in Spain
RevenueBase records 111 matching company records for critical power infrastructure contractors based in Spain, with 2,328 tracked contacts and 276 verified work emails.
This public preview shows 22 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 10, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 22 critical power infrastructure contractors based in Spain
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Insyte Instalacionesinsyteinstalaciones.es HQ: Getafe, SpainReported employees: 1,001-5,000 | Getafe, Spain | 1,001-5,000 | Exact match | 672 contacts → |
“Insyte Instalaciones inicia su actividad en 1990 como empresa instaladora en el sector eléctrico y de telecomunicaciones.” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Himoinsahimoinsa.com HQ: San Javier, SpainReported employees: 501-1,000 | San Javier, Spain | 501-1,000 | Exact match | 322 contacts → |
“HIMOINSA is a global corporation that designs, manufactures and distributes power generation equipment worldwide.” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Salicrusalicru.com HQ: Palautordera, SpainReported employees: 201-500 | Palautordera, Spain | 201-500 | Exact match | 276 contacts → |
“Salicru is the leading power electronics company in Spain.” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Syneox Railsyneox.com HQ: Alcobendas, SpainReported employees: 501-1,000 | Alcobendas, Spain | 501-1,000 | Exact match | 183 contacts → |
“Railway Energy Systems International Contractor” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Seselec Españaseselec.com HQ: Madrid, SpainReported employees: 51-200 | Madrid, Spain | 51-200 | Exact match | 56 contacts → |
“SESELEC es una empresa EPC especializada en infraestructura eléctrica (Subestaciones, Líneas de Transmisión, Plantas Fotovoltaicas) dentro de México, Latinoamérica y España.” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | GAROCgaroc.es HQ: Ciudad Real, SpainReported employees: 201-500 | Ciudad Real, Spain | 201-500 | Exact match | 45 contacts → |
“GAROC (GRUPO DE ARQUITECTURA Y OBRA CIVIL), nace en mayo de 2003 en Ciudad Real donde tiene su sede Social.” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | TDI Sistemas S.Ltdi-sistemas.com HQ: Madrid, SpainReported employees: 51-200 | Madrid, Spain | 51-200 | Exact match | 40 contacts → |
“TDI Sistemas es una compañía de capital privado íntegramente español.” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Sierra Ingeniería Eléctricasierraingenieriaelectrica.es HQ: Coslada, SpainReported employees: 51-200 | Coslada, Spain | 51-200 | Exact match | 31 contacts → |
“SIERRA Ingeniería Eléctrica empresa de reconocida trayectoria en los sectores de las instalaciones eléctricas, especiales, ingeniería, mantenimiento y montaje de cuadros…” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Ogisa Infraestructuras S.Aogisa.es HQ: Zaragoza, SpainReported employees: 51-200 | Zaragoza, Spain | 51-200 | Exact match | 22 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 10 | E Gedeselgedesel.com HQ: Zaragoza, SpainReported employees: 11-50 | Zaragoza, Spain | 11-50 | Exact match | 17 contacts → |
“Con más de 40 años de experiencia en el sector, nuestros servicios son una garantía de satisfacción.” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Segade Saelco SAsegade.es HQ: Ourense, SpainReported employees: 51-200 | Ourense, Spain | 51-200 | Exact match | 13 contacts → |
“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 description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Proyelecmontajesproyelec.com HQ: Ciudad Real, SpainReported employees: 11-50 | Ciudad Real, Spain | 11-50 | Exact match | 13 contacts → |
“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…” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Infralect Power Eventsinfralect.es HQ: Barberà Del Vallès, SpainReported employees: 11-50 | Barberà Del Vallès, Spain | 11-50 | Exact match | 7 contacts → |
“INFRALECT POWER EVENTS, S.A.U.” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Viman Services And Sistems SLvimansl.es HQ: Alfafar, SpainReported employees: 51-200 | Alfafar, Spain | 51-200 | Exact match | 7 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 15 | Phasakphasak.com HQ: Zamora, SpainReported employees: 11-50 | Zamora, Spain | 11-50 | Exact match | 5 contacts → |
“La infraestructura crítica no debería depender de la suerte.” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Matyse Desarrollos Electricosmatyse.es HQ: Madrid, SpainReported employees: 11-50 | Madrid, Spain | 11-50 | Exact match | 5 contacts → |
“Empresa dedicada a la instalación y mantenimiento eléctrico de alta, baja tensión y grupos electrógenos, así como a la realización de estudios energéticos y termográficos.” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Doica Gestión S.Ldoica.net HQ: Barbera Del Vallés, SpainReported employees: 11-50 | Barbera Del Vallés, Spain | 11-50 | Exact match | 4 contacts → |
“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 description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Oval Energy SLovalenergy.com HQ: Barcelona, SpainReported employees: 11-50 | Barcelona, Spain | 11-50 | Exact match | 4 contacts → |
“Oval Energy es una compañía enfocada en la venta y mantenimiento de grupos electrógenos, ofreciendo soluciones confiables y eficientes para garantizar la continuidad energética.” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Soma-Genpowergenpower.es HQ: Torrefarrera, SpainReported employees: 1-10 | Torrefarrera, Spain | 1-10 | Exact match | 4 contacts → |
“Placas solares, generadores, grupos electrógenos Soma-Genpower.” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Norwatt SLUnorwatt.es HQ: Gijón, SpainReported employees: 1-10 | Gijón, Spain | 1-10 | Exact match | 3 contacts → |
“Norwatt: Experience, personalized service and commitment to the environment: We don’t only sell products - our main endeavour is to provide clients with SOLUTIONS SPECIFICALLY…” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Altervac SAaltervac.com HQ: Sant Celoni, SpainReported employees: 1-10 | Sant Celoni, Spain | 1-10 | Exact match | 3 contacts → |
“ALTERVAC, es una empresa que orienta su actividad a ofrecer las últimas tecnologías en Sistemas de Alimentación Ininterrumpida (SAI), Estabilizadores de Tensión, Sistemas de…” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Winerconwinercon.es HQ: Benaguacil, SpainReported employees: 11-50 | Benaguacil, Spain | 11-50 | Exact match | 2 contacts → |
“Empresa con más de 20 años en el sector.” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 22 of 111 company matches
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Critical power infrastructure contractors: dataset insights
October 10, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
111 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 111 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: October 10, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for critical power infrastructure contractors?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many critical power infrastructure contractors did RevenueBase find based in Spain?
The saved snapshot records 111 matching company records, 2,328 tracked contacts and 276 verified emails. The public preview displays 22 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: October 10, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 22 critical power infrastructure contractors based in Spain. Snapshot: October 10, 2026. https://revenuebase.ai/companies/critical-power-infrastructure-contractors/spain.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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