Company lists · Data refreshed November 2026
Top 25 Telecommunications engineers based in Spain
RevenueBase identified 969 company matches for telecommunications engineers associated with Spain as of November 2026 and tracks 79,104 professional contacts across them, including 8,324 with verified work emails. Madrid is the largest hub.
This list covers company matches for telecommunications engineers associated with Spain, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed November 6, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest telecommunications engineers based in Spain
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 57,647 contacts → | ||||
Exact match “Telefónica is today one of the largest telecommunications companies in the world in terms of market capitalisation and number of customers.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 1,358 contacts → | ||||
Exact match “En Zener crecemos acelerando el crecimiento de nuestros clientes.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 1,164 contacts → | ||||
Exact match “En Zelenza somos líderes en servicios integrados TIC, Ingeniería de Redes Telco, Defensa y Seguridad y Customer Experience.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 810 contacts → | ||||
Exact match “NUNSYS es una empresa especializada en la Implantación de Soluciones Integrales de Tecnología.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 760 contacts → | ||||
Exact match “OFG is an international company with more than 20 years of experience in the telecommunications sector.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 755 contacts → | ||||
Exact match “Empresa especializada en la ingenieria, desarrollo, construccion, instalación, y puesta en marcha de instalaciones de telecomunicaciones, electricidad, señalización, redes de…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 707 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 529 contacts → | ||||
Exact match “Circet España, empresa líder del sector de las telecomunicaciones en España, con implantación a nivel Nacional.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 525 contacts → | ||||
Exact match “Nae is an international consulting firm specialized in the telecom sector, providing deal & strategy, business, and technology advisory services.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 392 contacts → | ||||
Exact match “En Axians, la marca especializada en TIC de VINCI Energies, impulsamos a nuestros clientes -empresas del sector privado, entidades del sector público, operadores y proveedores de…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 336 contacts → | ||||
Exact match “CIC, Consulting Informático de Cantabria, is an engineering and software development company founded in 1990, with a solid track record for communications, system integration and…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 289 contacts → | ||||
Exact match “Quiénes somos?” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 288 contacts → | ||||
Exact match “Lps Grupo has extensive experience in the telecommunications sector thanks to a team of professionals with knowledge in the development of projects and technical feasibility, in…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 223 contacts → | ||||
Exact match “CSA was founded in 1996.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 176 contacts → | ||||
Exact match “eXperience es una empresa de servicios orientada al mercado de las Tecnologías de la Información y las Telecomunicaciones, dando soluciones integrales en las áreas de consultoría…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 172 contacts → | ||||
Exact match “Página del Colegio Oficial y Asociación Española de Graduados e Ingenieros Técnicos de Telecomunicación” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 166 contacts → | ||||
Exact match “Somos una marca global de Ingeniería en integración de soluciones de Telecomunicaciones y Sistemas IT con más de 35 años de experiencia.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 155 contacts → | ||||
Exact match “Somos ALDABA.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 152 contacts → | ||||
Exact match “Aire Networks, encompasses all the communication services that a company needs to boost its business, with all the advantages and benefits of working with a single service…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 152 contacts → | ||||
Exact match “Eltec es una compañía líder en la prestación de soluciones y servicios tecnológicos para el soporte y mantenimiento de equipos TIC.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 150 contacts → | ||||
Exact match “Inet es una empresa del grupo AXIS CORPORATE especializada en procesos de despliegue y mantenimiento de infraestructuras tecnológicas y comunicaciones para empresas.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 145 contacts → | ||||
Exact match “El Grupo INSTELCA es proveedor global de servicios de Telecomunicaciones, Redes e Informática con más de 30 años de experiencia y con una clara orientación al clientes que nos ha…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 139 contacts → | ||||
Exact match “Cableworld es la compañía de servicios de telecomunicaciones por fibra óptica líder en en sus zonas de influencia, en la que ofrecemos de manera integrada servicios de Internet…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 138 contacts → | ||||
Exact match “GECI is a worldwide High Technology, Engineering, E&M support, Outsourcing & Logistics and Consulting Group, which has been providing for over 25 years technical and commercial…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 25 | 133 contacts → | ||||
Exact match “Ámbar Telecomunicaciones es una empresa de ingeniería especializada en la integración global de sistemas de comunicación, que centra su actividad en el diseño, instalación y…” Recorded in the RevenueBase company graph · Nov 6, 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 “telecommunications engineers”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 969 telecommunications engineers based in Spain
See the full list, filter by size, metro and specialty, and access 8,324 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Telecommunications engineers based in Spain at a glance
As of Nov 6, 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 969 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 “telecommunications engineers” 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 8,324 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on November 6, 2026. Lists refresh periodically as the graph is re-checked.
- Record context
- Company records and descriptions can change. Check the company's website for its current services and locations.
Telecommunications engineers by metro
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 “telecommunications engineers”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many telecommunications engineers are there based in Spain?
RevenueBase identified 969 company matches for telecommunications engineers associated with Spain as of November 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
Telefónica tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most telecommunications engineers?
Madrid leads with 178 company records, followed by Barcelona (70) and Malaga (27).
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 8,324 professional contacts with verified work emails tracked across these 969 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on November 6, 2026.
Ready to reach these companies? Verified emails and direct dials for all 969 telecommunications engineers based in Spain. Start with a free account, no credit card.
Download this list →Related lists
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Browse the directory
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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- Lists A-Z
- New lists
- Telecommunications engineers based in Buenos Aires, Argentina
- Telecommunications engineers based in Brisbane, Australia
- Telecommunications engineers based in Melbourne, Australia
- Telecommunications engineers based in Perth, Australia
- Telecommunications engineers based in Sydney, Australia
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Company intelligence · public preview
Top 25 telecommunications engineers 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 969 matching company records for telecommunications engineers based in Spain, with 79,104 tracked contacts and 8,324 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 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 25 telecommunications engineers 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 |  Telefónicatelefonica.comHQ: Madrid, SpainReported employees: 10001+ | Madrid, Spain | 10001+ | Exact match | 57,647 contacts → |
“Telefónica is today one of the largest telecommunications companies in the world in terms of market capitalisation and number of customers.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  ZENERzener.esHQ: Madrid, SpainReported employees: 5,001-10,000 | Madrid, Spain | 5,001-10,000 | Exact match | 1,358 contacts → |
“En Zener crecemos acelerando el crecimiento de nuestros clientes.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Zelenzazelenza.comHQ: Madrid, SpainReported employees: 1,001-5,000 | Madrid, Spain | 1,001-5,000 | Exact match | 1,164 contacts → |
“En Zelenza somos líderes en servicios integrados TIC, Ingeniería de Redes Telco, Defensa y Seguridad y Customer Experience.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Nunsysnunsys.comHQ: Paterna, SpainReported employees: 1,001-5,000 | Paterna, Spain | 1,001-5,000 | Exact match | 810 contacts → |
“NUNSYS es una empresa especializada en la Implantación de Soluciones Integrales de Tecnología.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  OFGofg.esHQ: Córdoba, SpainReported employees: 1,001-5,000 | Córdoba, Spain | 1,001-5,000 | Exact match | 760 contacts → |
“OFG is an international company with more than 20 years of experience in the telecommunications sector.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Comfica Soluciones Integrales S.Lcomfica.comHQ: Fuenlabrada, SpainReported employees: 201-500 | Fuenlabrada, Spain | 201-500 | Exact match | 755 contacts → |
“Empresa especializada en la ingenieria, desarrollo, construccion, instalación, y puesta en marcha de instalaciones de telecomunicaciones, electricidad, señalización, redes de…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Insyte Instalacionesinsyteinstalaciones.esHQ: Getafe, SpainReported employees: 1,001-5,000 | Getafe, Spain | 1,001-5,000 | Exact match | 707 contacts → |
“Insyte Instalaciones inicia su actividad en 1990 como empresa instaladora en el sector eléctrico y de telecomunicaciones.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Circet Españacircet.esHQ: Seville, SpainReported employees: 1,001-5,000 | Seville, Spain | 1,001-5,000 | Exact match | 529 contacts → |
“Circet España, empresa líder del sector de las telecomunicaciones en España, con implantación a nivel Nacional.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  NAEnae.globalHQ: Barcelona, SpainReported employees: 501-1,000 | Barcelona, Spain | 501-1,000 | Exact match | 525 contacts → |
“Nae is an international consulting firm specialized in the telecom sector, providing deal & strategy, business, and technology advisory services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Axians Spainaxians.esHQ: Madrid, SpainReported employees: 501-1,000 | Madrid, Spain | 501-1,000 | Exact match | 392 contacts → |
“En Axians, la marca especializada en TIC de VINCI Energies, impulsamos a nuestros clientes -empresas del sector privado, entidades del sector público, operadores y proveedores de…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | HQ: Santander, SpainReported employees: 201-500 | Santander, Spain | 201-500 | Exact match | 336 contacts → |
“CIC, Consulting Informático de Cantabria, is an engineering and software development company founded in 1990, with a solid track record for communications, system integration and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Grupo ICAgrupoica.comHQ: Madrid, SpainReported employees: 501-1,000 | Madrid, Spain | 501-1,000 | Exact match | 289 contacts → |
“Quiénes somos?” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Grupo LPSlpsgrupo.comHQ: Madrid, SpainReported employees: 201-500 | Madrid, Spain | 201-500 | Exact match | 288 contacts → |
“Lps Grupo has extensive experience in the telecommunications sector thanks to a team of professionals with knowledge in the development of projects and technical feasibility, in…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | HQ: Burgos, SpainReported employees: 201-500 | Burgos, Spain | 201-500 | Exact match | 223 contacts → |
“CSA was founded in 1996.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Experience IT Solutionsexperienceis.comHQ: Madrid, SpainReported employees: 201-500 | Madrid, Spain | 201-500 | Exact match | 176 contacts → |
“eXperience es una empresa de servicios orientada al mercado de las Tecnologías de la Información y las Telecomunicaciones, dando soluciones integrales en las áreas de consultoría…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  COITTtelecos.zoneHQ: Madrid, SpainReported employees: Not recorded | Madrid, Spain | Not recorded | Exact match | 172 contacts → |
“Página del Colegio Oficial y Asociación Española de Graduados e Ingenieros Técnicos de Telecomunicación” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Powernetpowernet.esHQ: Madrid, SpainReported employees: 51-200 | Madrid, Spain | 51-200 | Exact match | 166 contacts → |
“Somos una marca global de Ingeniería en integración de soluciones de Telecomunicaciones y Sistemas IT con más de 35 años de experiencia.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Aldabaaldaba.esHQ: A Coruña, SpainReported employees: 51-200 | A Coruña, Spain | 51-200 | Exact match | 155 contacts → |
“Somos ALDABA.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Aire Networksairenetworks.esHQ: Elche, SpainReported employees: 201-500 | Elche, Spain | 201-500 | Exact match | 152 contacts → |
“Aire Networks, encompasses all the communication services that a company needs to boost its business, with all the advantages and benefits of working with a single service…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Eltec IT Servicestvsscs.comHQ: Rivas Vaciamadrid, SpainReported employees: 201-500 | Rivas Vaciamadrid, Spain | 201-500 | Exact match | 152 contacts → |
“Eltec es una compañía líder en la prestación de soluciones y servicios tecnológicos para el soporte y mantenimiento de equipos TIC.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Inet Smart ITCinet-itservices.comHQ: Cornellà De Llobregat, SpainReported employees: 201-500 | Cornellà De Llobregat, Spain | 201-500 | Exact match | 150 contacts → |
“Inet es una empresa del grupo AXIS CORPORATE especializada en procesos de despliegue y mantenimiento de infraestructuras tecnológicas y comunicaciones para empresas.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Instelcainstelca.comHQ: Málaga, SpainReported employees: 201-500 | Málaga, Spain | 201-500 | Exact match | 145 contacts → |
“El Grupo INSTELCA es proveedor global de servicios de Telecomunicaciones, Redes e Informática con más de 30 años de experiencia y con una clara orientación al clientes que nos ha…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Cableworldcableworld.esHQ: Alicante, SpainReported employees: 201-500 | Alicante, Spain | 201-500 | Exact match | 139 contacts → |
“Cableworld es la compañía de servicios de telecomunicaciones por fibra óptica líder en en sus zonas de influencia, en la que ofrecemos de manera integrada servicios de Internet…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Geci Groupgeciweb.comHQ: El Puerto De Santa María, SpainReported employees: 51-200 | El Puerto De Santa María, Spain | 51-200 | Exact match | 138 contacts → |
“GECI is a worldwide High Technology, Engineering, E&M support, Outsourcing & Logistics and Consulting Group, which has been providing for over 25 years technical and commercial…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Ambar Telecomunicacionesambar.esHQ: Santander, SpainReported employees: 201-500 | Santander, Spain | 201-500 | Exact match | 133 contacts → |
“Ámbar Telecomunicaciones es una empresa de ingeniería especializada en la integración global de sistemas de comunicación, que centra su actividad en el diseño, instalación y…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 969 company matches
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Telecommunications engineers: dataset insights
November 6, 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
957 records in the displayed employee bands.
12 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 969 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: November 6, 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 ↗
Telecommunications engineers by metro
Questions about this company list
What does Exact match mean for telecommunications engineers?
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 telecommunications engineers did RevenueBase find based in Spain?
The saved snapshot records 969 matching company records, 79,104 tracked contacts and 8,324 verified emails. The public preview displays 25 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: November 6, 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
Telecommunications engineers by geography
- Telecommunications engineers based in Buenos Aires, Argentina
- Telecommunications engineers based in Brisbane, Australia
- Telecommunications engineers based in Melbourne, Australia
- Telecommunications engineers based in Perth, Australia
- Telecommunications engineers based in Sydney, Australia
- Telecommunications engineers based in Belo Horizonte, Brazil
- Telecommunications engineers based in Campinas, Brazil
- Telecommunications engineers based in Curitiba, Brazil
- Telecommunications engineers based in Porto Alegre, Brazil
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Browse the directory
Cite this list
RevenueBase Data Team. Top 25 telecommunications engineers based in Spain. Snapshot: November 6, 2026. https://revenuebase.ai/companies/telecommunications-engineers/spain.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Telecommunications engineers based in Buenos Aires, Argentina
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Company intelligence · public preview
Top 25 telecommunications engineers based in Spain
RevenueBase records 969 matching company records for telecommunications engineers based in Spain, with 79,104 tracked contacts and 8,324 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 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 25 telecommunications engineers 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 | Telefónicatelefonica.com HQ: Madrid, SpainReported employees: 10001+ | Madrid, Spain | 10001+ | Exact match | 57,647 contacts → |
“Telefónica is today one of the largest telecommunications companies in the world in terms of market capitalisation and number of customers.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | ZENERzener.es HQ: Madrid, SpainReported employees: 5,001-10,000 | Madrid, Spain | 5,001-10,000 | Exact match | 1,358 contacts → |
“En Zener crecemos acelerando el crecimiento de nuestros clientes.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Zelenzazelenza.com HQ: Madrid, SpainReported employees: 1,001-5,000 | Madrid, Spain | 1,001-5,000 | Exact match | 1,164 contacts → |
“En Zelenza somos líderes en servicios integrados TIC, Ingeniería de Redes Telco, Defensa y Seguridad y Customer Experience.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Nunsysnunsys.com HQ: Paterna, SpainReported employees: 1,001-5,000 | Paterna, Spain | 1,001-5,000 | Exact match | 810 contacts → |
“NUNSYS es una empresa especializada en la Implantación de Soluciones Integrales de Tecnología.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | OFGofg.es HQ: Córdoba, SpainReported employees: 1,001-5,000 | Córdoba, Spain | 1,001-5,000 | Exact match | 760 contacts → |
“OFG is an international company with more than 20 years of experience in the telecommunications sector.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Comfica Soluciones Integrales S.Lcomfica.com HQ: Fuenlabrada, SpainReported employees: 201-500 | Fuenlabrada, Spain | 201-500 | Exact match | 755 contacts → |
“Empresa especializada en la ingenieria, desarrollo, construccion, instalación, y puesta en marcha de instalaciones de telecomunicaciones, electricidad, señalización, redes de…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Insyte Instalacionesinsyteinstalaciones.es HQ: Getafe, SpainReported employees: 1,001-5,000 | Getafe, Spain | 1,001-5,000 | Exact match | 707 contacts → |
“Insyte Instalaciones inicia su actividad en 1990 como empresa instaladora en el sector eléctrico y de telecomunicaciones.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Circet Españacircet.es HQ: Seville, SpainReported employees: 1,001-5,000 | Seville, Spain | 1,001-5,000 | Exact match | 529 contacts → |
“Circet España, empresa líder del sector de las telecomunicaciones en España, con implantación a nivel Nacional.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | NAEnae.global HQ: Barcelona, SpainReported employees: 501-1,000 | Barcelona, Spain | 501-1,000 | Exact match | 525 contacts → |
“Nae is an international consulting firm specialized in the telecom sector, providing deal & strategy, business, and technology advisory services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Axians Spainaxians.es HQ: Madrid, SpainReported employees: 501-1,000 | Madrid, Spain | 501-1,000 | Exact match | 392 contacts → |
“En Axians, la marca especializada en TIC de VINCI Energies, impulsamos a nuestros clientes -empresas del sector privado, entidades del sector público, operadores y proveedores de…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | HQ: Santander, SpainReported employees: 201-500 | Santander, Spain | 201-500 | Exact match | 336 contacts → |
“CIC, Consulting Informático de Cantabria, is an engineering and software development company founded in 1990, with a solid track record for communications, system integration and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Grupo ICAgrupoica.com HQ: Madrid, SpainReported employees: 501-1,000 | Madrid, Spain | 501-1,000 | Exact match | 289 contacts → |
“Quiénes somos?” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Grupo LPSlpsgrupo.com HQ: Madrid, SpainReported employees: 201-500 | Madrid, Spain | 201-500 | Exact match | 288 contacts → |
“Lps Grupo has extensive experience in the telecommunications sector thanks to a team of professionals with knowledge in the development of projects and technical feasibility, in…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | HQ: Burgos, SpainReported employees: 201-500 | Burgos, Spain | 201-500 | Exact match | 223 contacts → |
“CSA was founded in 1996.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Experience IT Solutionsexperienceis.com HQ: Madrid, SpainReported employees: 201-500 | Madrid, Spain | 201-500 | Exact match | 176 contacts → |
“eXperience es una empresa de servicios orientada al mercado de las Tecnologías de la Información y las Telecomunicaciones, dando soluciones integrales en las áreas de consultoría…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | COITTtelecos.zone HQ: Madrid, SpainReported employees: Not recorded | Madrid, Spain | Not recorded | Exact match | 172 contacts → |
“Página del Colegio Oficial y Asociación Española de Graduados e Ingenieros Técnicos de Telecomunicación” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Powernetpowernet.es HQ: Madrid, SpainReported employees: 51-200 | Madrid, Spain | 51-200 | Exact match | 166 contacts → |
“Somos una marca global de Ingeniería en integración de soluciones de Telecomunicaciones y Sistemas IT con más de 35 años de experiencia.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Aldabaaldaba.es HQ: A Coruña, SpainReported employees: 51-200 | A Coruña, Spain | 51-200 | Exact match | 155 contacts → |
“Somos ALDABA.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Aire Networksairenetworks.es HQ: Elche, SpainReported employees: 201-500 | Elche, Spain | 201-500 | Exact match | 152 contacts → |
“Aire Networks, encompasses all the communication services that a company needs to boost its business, with all the advantages and benefits of working with a single service…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Eltec IT Servicestvsscs.com HQ: Rivas Vaciamadrid, SpainReported employees: 201-500 | Rivas Vaciamadrid, Spain | 201-500 | Exact match | 152 contacts → |
“Eltec es una compañía líder en la prestación de soluciones y servicios tecnológicos para el soporte y mantenimiento de equipos TIC.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Inet Smart ITCinet-itservices.com HQ: Cornellà De Llobregat, SpainReported employees: 201-500 | Cornellà De Llobregat, Spain | 201-500 | Exact match | 150 contacts → |
“Inet es una empresa del grupo AXIS CORPORATE especializada en procesos de despliegue y mantenimiento de infraestructuras tecnológicas y comunicaciones para empresas.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Instelcainstelca.com HQ: Málaga, SpainReported employees: 201-500 | Málaga, Spain | 201-500 | Exact match | 145 contacts → |
“El Grupo INSTELCA es proveedor global de servicios de Telecomunicaciones, Redes e Informática con más de 30 años de experiencia y con una clara orientación al clientes que nos ha…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Cableworldcableworld.es HQ: Alicante, SpainReported employees: 201-500 | Alicante, Spain | 201-500 | Exact match | 139 contacts → |
“Cableworld es la compañía de servicios de telecomunicaciones por fibra óptica líder en en sus zonas de influencia, en la que ofrecemos de manera integrada servicios de Internet…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Geci Groupgeciweb.com HQ: El Puerto De Santa María, SpainReported employees: 51-200 | El Puerto De Santa María, Spain | 51-200 | Exact match | 138 contacts → |
“GECI is a worldwide High Technology, Engineering, E&M support, Outsourcing & Logistics and Consulting Group, which has been providing for over 25 years technical and commercial…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Ambar Telecomunicacionesambar.es HQ: Santander, SpainReported employees: 201-500 | Santander, Spain | 201-500 | Exact match | 133 contacts → |
“Ámbar Telecomunicaciones es una empresa de ingeniería especializada en la integración global de sistemas de comunicación, que centra su actividad en el diseño, instalación y…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
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Telecommunications engineers: dataset insights
November 6, 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
957 records in the displayed employee bands.
12 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 969 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: November 6, 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 ↗
Telecommunications engineers by metro
Questions about this company list
What does Exact match mean for telecommunications engineers?
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 telecommunications engineers did RevenueBase find based in Spain?
The saved snapshot records 969 matching company records, 79,104 tracked contacts and 8,324 verified emails. The public preview displays 25 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: November 6, 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.
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Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 25 telecommunications engineers based in Spain. Snapshot: November 6, 2026. https://revenuebase.ai/companies/telecommunications-engineers/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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