Company lists · Data refreshed October 2026
Top 21 Grid infrastructure engineering firms based in Madrid, Spain
RevenueBase identified 55 company matches for grid infrastructure engineering firms associated with Madrid, Spain as of October 2026 and tracks 4,262 professional contacts across them, including 156 with verified work emails. Across Spain, Madrid is the largest hub for this category.
This list covers company matches for grid infrastructure engineering firms associated with Madrid, 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 13, 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 21 largest grid infrastructure engineering firms based in Madrid, Spain
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 1,784 contacts → | ||||
Exact match “Isolux is a global benchmark in energy, water and environmental, road and railways infrastructure with presence in more than 35 countries on four continents.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 2 | 283 contacts → | ||||
Exact match “Desde 1970 ESTEYCO ha desarrollado internacionalmente más de 1.300 estudios y proyectos.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 3 | 263 contacts → | ||||
Exact match “Ingeniería Estudios y Proyectos NIP, S.A.(NIPSA) is a Spanish engineering and consulting company created in 1976 with the purpose of providing high quality and flexible technical…” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 4 | 248 contacts → | ||||
Exact match “Elevate your expectations with ACISA, a proud member of the prestigious Aldesa Group, Spain's construction titan.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 5 | 68 contacts → | ||||
Exact match “IBERTEL es una sociedad independiente que desarrolla proyectos de telecomunicaciones, energía, medioambientales, de instalaciones, de estructuras.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 6 | 63 contacts → | ||||
Exact match “Construcía Instalaciones, expertos en instalaciones de Ingeniería desde el año 2002, gestionamos proyectos integrales de diseño e implementación de todas las infraestructuras…” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 7 | 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 13, 2026 · View company records in RevenueBase | |||||
| 8 | 54 contacts → | ||||
Exact match “CARLOS FERNÁNDEZ CASADO S.L.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 9 | 25 contacts → | ||||
Exact match “We are PRO5.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 10 | 22 contacts → | ||||
Exact match “Osprel es una empresa española que surge como respuesta a la existente necesidad mundial de una ingeniería de calidad en la planificación, transporte y distribución de energía…” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 11 | 15 contacts → | ||||
Exact match “PROINELCA POWER SL es una empresa española que desde el año 2006 se dedica a la ingeniería eléctrica, proyectos de control y automatización, así como a la puesta en marcha de…” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 12 | 10 contacts → | ||||
Exact match “ARDITECNICA is a company established in as part of the German group Bayerische Hausbau, created for the planning and control of the execution of the projects that the group…” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 13 | 10 contacts → | ||||
Exact match “Somos una empresa de ingeniería especializada en infraestructuras de misión crítica.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 14 | 9 contacts → | ||||
Exact match “Arconi Solutions is an international engineering firm incorporated in 2007 under the laws of Spain.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 15 | 9 contacts → | ||||
Exact match “i-MBT” es una empresa de servicios de ingeniería enfocada a las redes de distribución de energía de media y baja tensión, que además cuenta con personal para la ejecución de…” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 16 | 9 contacts → | ||||
Exact match “Pondio Ingenieros es una empresa independiente, especializada en el proyecto de estructuras, tanto de obra civil como de edificación.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 17 | 8 contacts → | ||||
Exact match “Founded in 1970 and with a team of over 180 professionals, INYPSA is constantly searching for and implementing best practices to provide infrastructures and public services in the…” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 18 | 6 contacts → | ||||
Exact match “Aquads Technologies es una empresa de ingeniería especializada en el análisis, diseño, construcción y mantenimiento de Infraestructuras de misión crítica, entre las que englobamos…” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 19 | 3 contacts → | ||||
Exact match “Ingeniería en Infraestructuras Tecnológicas.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 20 | 2 contacts → | ||||
Exact match “BIGM es una empresa consultora que, combinando varias ramas de la ingeniería, digitaliza la información del terreno, monitoriza la maquinaria de la obra mediante la tecnología…” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 21 | 1 contacts → | ||||
Exact match “INDAOS is a E.U.” Recorded in the RevenueBase company graph · Oct 13, 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 “grid infrastructure engineering firms”. 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 21 of 55 grid infrastructure engineering firms based in Madrid, Spain
See the full list, filter by size, metro and specialty, and access 156 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Grid infrastructure engineering firms based in Madrid, Spain at a glance
As of Oct 13, 2026Companies by employee count
Email recency for this list is measured across the whole Spain list rather than for Madrid, so it is reported there. Company counts and contact totals on this page are exact for Madrid, over 55 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 Madrid, Spain whose business descriptions match “grid infrastructure engineering firms” 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 156 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 13, 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.
Grid infrastructure engineering firms by metro in Spain
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 “grid infrastructure engineering firms”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many grid infrastructure engineering firms are there based in Madrid, Spain?
RevenueBase identified 55 company matches for grid infrastructure engineering firms associated with Madrid, 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?
Isolux Corsan tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city in Spain has the most grid infrastructure engineering firms?
Madrid leads Spain with 55 company records, followed by Barcelona (25) and Seville (13).
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 156 professional contacts with verified work emails tracked across these 55 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 13, 2026.
Ready to reach these companies? Verified emails and direct dials for all 55 grid infrastructure engineering firms based in Madrid, Spain. Start with a free account, no credit card.
Download this list →Related lists
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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.
More company lists
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Company intelligence · public preview
Top 21 grid infrastructure engineering firms based in Madrid, Spain
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 55 matching company records for grid infrastructure engineering firms based in Madrid, Spain, with 4,262 tracked contacts and 156 verified work emails.
This public preview shows 21 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 13, 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 21 grid infrastructure engineering firms based in Madrid, 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 |  Isolux Corsanisoluxcorsan.comHQ: Madrid, SpainReported employees: 5,001-10,000 | Madrid, Spain | 5,001-10,000 | Exact match | 1,784 contacts → |
“Isolux is a global benchmark in energy, water and environmental, road and railways infrastructure with presence in more than 35 countries on four continents.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Esteycoesteyco.comHQ: Madrid, SpainReported employees: 201-500 | Madrid, Spain | 201-500 | Exact match | 283 contacts → |
“Desde 1970 ESTEYCO ha desarrollado internacionalmente más de 1.300 estudios y proyectos.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | HQ: Madrid, SpainReported employees: 201-500 | Madrid, Spain | 201-500 | Exact match | 263 contacts → |
“Ingeniería Estudios y Proyectos NIP, S.A.(NIPSA) is a Spanish engineering and consulting company created in 1976 with the purpose of providing high quality and flexible technical…” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  ACISAacisa.esHQ: Madrid, SpainReported employees: 201-500 | Madrid, Spain | 201-500 | Exact match | 248 contacts → |
“Elevate your expectations with ACISA, a proud member of the prestigious Aldesa Group, Spain's construction titan.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Ibertel Engineering Servicesibertel-es.esHQ: Madrid, SpainReported employees: 51-200 | Madrid, Spain | 51-200 | Exact match | 68 contacts → |
“IBERTEL es una sociedad independiente que desarrolla proyectos de telecomunicaciones, energía, medioambientales, de instalaciones, de estructuras.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Construcía Instalaciones S.Lconstruciainstalaciones.comHQ: Madrid, SpainReported employees: 51-200 | Madrid, Spain | 51-200 | Exact match | 63 contacts → |
“Construcía Instalaciones, expertos en instalaciones de Ingeniería desde el año 2002, gestionamos proyectos integrales de diseño e implementación de todas las infraestructuras…” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  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 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Carlos Fernandez Casado, S.L. Cfcslcfcsl.comHQ: Madrid, SpainReported employees: 11-50 | Madrid, Spain | 11-50 | Exact match | 54 contacts → |
“CARLOS FERNÁNDEZ CASADO S.L.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Pro5 Consulting Engineerspro5engineers.comHQ: Madrid, SpainReported employees: 11-50 | Madrid, Spain | 11-50 | Exact match | 25 contacts → |
“We are PRO5.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Osprel S.Losprel.com HQ: Madrid, SpainReported employees: 11-50 | Madrid, Spain | 11-50 | Exact match | 22 contacts → |
“Osprel es una empresa española que surge como respuesta a la existente necesidad mundial de una ingeniería de calidad en la planificación, transporte y distribución de energía…” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Proinelca Power SLproinelcapower.comHQ: Madrid, SpainReported employees: 11-50 | Madrid, Spain | 11-50 | Exact match | 15 contacts → |
“PROINELCA POWER SL es una empresa española que desde el año 2006 se dedica a la ingeniería eléctrica, proyectos de control y automatización, así como a la puesta en marcha de…” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Arditecnica S.L.Uarditecnica.comHQ: Madrid, SpainReported employees: 11-50 | Madrid, Spain | 11-50 | Exact match | 10 contacts → |
“ARDITECNICA is a company established in as part of the German group Bayerische Hausbau, created for the planning and control of the execution of the projects that the group…” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Aeon Ingeniería SLaeon.esHQ: Madrid, SpainReported employees: 11-50 | Madrid, Spain | 11-50 | Exact match | 10 contacts → |
“Somos una empresa de ingeniería especializada en infraestructuras de misión crítica.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Arconi Solutionsarconi.solutionsHQ: Madrid, SpainReported employees: 11-50 | Madrid, Spain | 11-50 | Exact match | 9 contacts → |
“Arconi Solutions is an international engineering firm incorporated in 2007 under the laws of Spain.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  I-Mbt Ingenieria E Instalacionesi-mbt.esHQ: Madrid, SpainReported employees: 11-50 | Madrid, Spain | 11-50 | Exact match | 9 contacts → |
“i-MBT” es una empresa de servicios de ingeniería enfocada a las redes de distribución de energía de media y baja tensión, que además cuenta con personal para la ejecución de…” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Pondio Ingenierospondio.comHQ: Madrid, SpainReported employees: 11-50 | Madrid, Spain | 11-50 | Exact match | 9 contacts → |
“Pondio Ingenieros es una empresa independiente, especializada en el proyecto de estructuras, tanto de obra civil como de edificación.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Inypsa Infrastructuresairtificial.comHQ: Madrid, SpainReported employees: 51-200 | Madrid, Spain | 51-200 | Exact match | 8 contacts → |
“Founded in 1970 and with a team of over 180 professionals, INYPSA is constantly searching for and implementing best practices to provide infrastructures and public services in the…” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Aquads Technologiesaquads.comHQ: Madrid, SpainReported employees: 11-50 | Madrid, Spain | 11-50 | Exact match | 6 contacts → |
“Aquads Technologies es una empresa de ingeniería especializada en el análisis, diseño, construcción y mantenimiento de Infraestructuras de misión crítica, entre las que englobamos…” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Bfor International Groupbfor.esHQ: Madrid, SpainReported employees: 51-200 | Madrid, Spain | 51-200 | Exact match | 3 contacts → |
“Ingeniería en Infraestructuras Tecnológicas.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Bigm Civil Engineers, S.Lbigm.esHQ: Madrid, SpainReported employees: 1-10 | Madrid, Spain | 1-10 | Exact match | 2 contacts → |
“BIGM es una empresa consultora que, combinando varias ramas de la ingeniería, digitaliza la información del terreno, monitoriza la maquinaria de la obra mediante la tecnología…” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Indaos Ingenieros SLindaos.comHQ: Madrid, SpainReported employees: 1-10 | Madrid, Spain | 1-10 | Exact match | 1 contacts → |
“INDAOS is a E.U.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 21 of 55 company matches
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Grid infrastructure engineering firms: dataset insights
October 13, 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
55 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 across the whole Spain list rather than for Madrid, so it is reported there. Company counts and contact totals on this page are exact for Madrid, over 55 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 13, 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 ↗
Grid infrastructure engineering firms by metro in Spain
Questions about this company list
What does Exact match mean for grid infrastructure engineering firms?
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 grid infrastructure engineering firms did RevenueBase find based in Madrid, Spain?
The saved snapshot records 55 matching company records, 4,262 tracked contacts and 156 verified emails. The public preview displays 21 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 13, 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
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Cite this list
RevenueBase Data Team. Top 21 grid infrastructure engineering firms based in Madrid, Spain. Snapshot: October 13, 2026. https://revenuebase.ai/companies/grid-infrastructure-engineering-firms/spain/madrid.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
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- Lists A-Z
- New lists
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Company intelligence · public preview
Top 21 grid infrastructure engineering firms based in Madrid, Spain
RevenueBase records 55 matching company records for grid infrastructure engineering firms based in Madrid, Spain, with 4,262 tracked contacts and 156 verified work emails.
This public preview shows 21 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 13, 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 21 grid infrastructure engineering firms based in Madrid, 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 | Isolux Corsanisoluxcorsan.com HQ: Madrid, SpainReported employees: 5,001-10,000 | Madrid, Spain | 5,001-10,000 | Exact match | 1,784 contacts → |
“Isolux is a global benchmark in energy, water and environmental, road and railways infrastructure with presence in more than 35 countries on four continents.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Esteycoesteyco.com HQ: Madrid, SpainReported employees: 201-500 | Madrid, Spain | 201-500 | Exact match | 283 contacts → |
“Desde 1970 ESTEYCO ha desarrollado internacionalmente más de 1.300 estudios y proyectos.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | HQ: Madrid, SpainReported employees: 201-500 | Madrid, Spain | 201-500 | Exact match | 263 contacts → |
“Ingeniería Estudios y Proyectos NIP, S.A.(NIPSA) is a Spanish engineering and consulting company created in 1976 with the purpose of providing high quality and flexible technical…” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | ACISAacisa.es HQ: Madrid, SpainReported employees: 201-500 | Madrid, Spain | 201-500 | Exact match | 248 contacts → |
“Elevate your expectations with ACISA, a proud member of the prestigious Aldesa Group, Spain's construction titan.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Ibertel Engineering Servicesibertel-es.es HQ: Madrid, SpainReported employees: 51-200 | Madrid, Spain | 51-200 | Exact match | 68 contacts → |
“IBERTEL es una sociedad independiente que desarrolla proyectos de telecomunicaciones, energía, medioambientales, de instalaciones, de estructuras.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Construcía Instalaciones S.Lconstruciainstalaciones.com HQ: Madrid, SpainReported employees: 51-200 | Madrid, Spain | 51-200 | Exact match | 63 contacts → |
“Construcía Instalaciones, expertos en instalaciones de Ingeniería desde el año 2002, gestionamos proyectos integrales de diseño e implementación de todas las infraestructuras…” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | 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 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Carlos Fernandez Casado, S.L. Cfcslcfcsl.com HQ: Madrid, SpainReported employees: 11-50 | Madrid, Spain | 11-50 | Exact match | 54 contacts → |
“CARLOS FERNÁNDEZ CASADO S.L.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Pro5 Consulting Engineerspro5engineers.com HQ: Madrid, SpainReported employees: 11-50 | Madrid, Spain | 11-50 | Exact match | 25 contacts → |
“We are PRO5.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Osprel S.Losprel.com HQ: Madrid, SpainReported employees: 11-50 | Madrid, Spain | 11-50 | Exact match | 22 contacts → |
“Osprel es una empresa española que surge como respuesta a la existente necesidad mundial de una ingeniería de calidad en la planificación, transporte y distribución de energía…” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Proinelca Power SLproinelcapower.com HQ: Madrid, SpainReported employees: 11-50 | Madrid, Spain | 11-50 | Exact match | 15 contacts → |
“PROINELCA POWER SL es una empresa española que desde el año 2006 se dedica a la ingeniería eléctrica, proyectos de control y automatización, así como a la puesta en marcha de…” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Arditecnica S.L.Uarditecnica.com HQ: Madrid, SpainReported employees: 11-50 | Madrid, Spain | 11-50 | Exact match | 10 contacts → |
“ARDITECNICA is a company established in as part of the German group Bayerische Hausbau, created for the planning and control of the execution of the projects that the group…” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Aeon Ingeniería SLaeon.es HQ: Madrid, SpainReported employees: 11-50 | Madrid, Spain | 11-50 | Exact match | 10 contacts → |
“Somos una empresa de ingeniería especializada en infraestructuras de misión crítica.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Arconi Solutionsarconi.solutions HQ: Madrid, SpainReported employees: 11-50 | Madrid, Spain | 11-50 | Exact match | 9 contacts → |
“Arconi Solutions is an international engineering firm incorporated in 2007 under the laws of Spain.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | I-Mbt Ingenieria E Instalacionesi-mbt.es HQ: Madrid, SpainReported employees: 11-50 | Madrid, Spain | 11-50 | Exact match | 9 contacts → |
“i-MBT” es una empresa de servicios de ingeniería enfocada a las redes de distribución de energía de media y baja tensión, que además cuenta con personal para la ejecución de…” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Pondio Ingenierospondio.com HQ: Madrid, SpainReported employees: 11-50 | Madrid, Spain | 11-50 | Exact match | 9 contacts → |
“Pondio Ingenieros es una empresa independiente, especializada en el proyecto de estructuras, tanto de obra civil como de edificación.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Inypsa Infrastructuresairtificial.com HQ: Madrid, SpainReported employees: 51-200 | Madrid, Spain | 51-200 | Exact match | 8 contacts → |
“Founded in 1970 and with a team of over 180 professionals, INYPSA is constantly searching for and implementing best practices to provide infrastructures and public services in the…” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Aquads Technologiesaquads.com HQ: Madrid, SpainReported employees: 11-50 | Madrid, Spain | 11-50 | Exact match | 6 contacts → |
“Aquads Technologies es una empresa de ingeniería especializada en el análisis, diseño, construcción y mantenimiento de Infraestructuras de misión crítica, entre las que englobamos…” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Bfor International Groupbfor.es HQ: Madrid, SpainReported employees: 51-200 | Madrid, Spain | 51-200 | Exact match | 3 contacts → |
“Ingeniería en Infraestructuras Tecnológicas.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Bigm Civil Engineers, S.Lbigm.es HQ: Madrid, SpainReported employees: 1-10 | Madrid, Spain | 1-10 | Exact match | 2 contacts → |
“BIGM es una empresa consultora que, combinando varias ramas de la ingeniería, digitaliza la información del terreno, monitoriza la maquinaria de la obra mediante la tecnología…” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Indaos Ingenieros SLindaos.com HQ: Madrid, SpainReported employees: 1-10 | Madrid, Spain | 1-10 | Exact match | 1 contacts → |
“INDAOS is a E.U.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 21 of 55 company matches
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Grid infrastructure engineering firms: dataset insights
October 13, 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
55 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 across the whole Spain list rather than for Madrid, so it is reported there. Company counts and contact totals on this page are exact for Madrid, over 55 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 13, 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 ↗
Grid infrastructure engineering firms by metro in Spain
Questions about this company list
What does Exact match mean for grid infrastructure engineering firms?
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 grid infrastructure engineering firms did RevenueBase find based in Madrid, Spain?
The saved snapshot records 55 matching company records, 4,262 tracked contacts and 156 verified emails. The public preview displays 21 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 13, 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 21 grid infrastructure engineering firms based in Madrid, Spain. Snapshot: October 13, 2026. https://revenuebase.ai/companies/grid-infrastructure-engineering-firms/spain/madrid.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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