Company lists · Data refreshed November 2026
Top 25 Internet service infrastructure builders based in Spain
RevenueBase identified 216 company matches for internet service infrastructure builders associated with Spain as of November 2026 and tracks 5,960 professional contacts across them, including 389 with verified work emails. Madrid is the largest hub.
This list covers company matches for internet service infrastructure builders 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 internet service infrastructure builders based in Spain
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 863 contacts → | ||||
Exact match “Created in 1919, SEMI is a leading company in the electricity and industrial sector.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 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 | |||||
| 3 | 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 | |||||
| 4 | 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 | |||||
| 5 | 314 contacts → | ||||
Exact match “As the world’s needs for uninterrupted global interconnectivity continue to rise, we are preparing the road ahead.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 306 contacts → | ||||
Exact match “Liteyca es una de las empresas pioneras en España en el desarrollo de infraestructuras y servicios de telecomunicaciones.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 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 | |||||
| 8 | 123 contacts → | ||||
Exact match “Empresa cualificada y especializada en la instalación y mantenimiento de redes y equipos de telecomunicaciones.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 98 contacts → | ||||
Exact match “SITER INGENIERÍA DE INFRAESTRUCTURAS es una compañía con más de 25 años de historia, que opera dando soporte a operadores y empresas relacionadas con el desarrollo de…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 51 contacts → | ||||
Exact match “Confiamos en que nuestros valores y filosofía nos van a llevar muy lejos.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 40 contacts → | ||||
Exact match “TDI Sistemas es una compañía de capital privado íntegramente español.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 39 contacts → | ||||
Exact match “EMPRESA Ofrecemos a nuestros clientes un servicio global de ingeniería de sistemas integrales, especializados en proyectos llave en mano y desarrollados con el máximo compromiso…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 31 contacts → | ||||
Exact match “Aryse Infraestructuras está formada por un equipo técnico muy cualificado, desarrollando desde Ingeniería, Diseño, Implantaciones y Mantenimiento.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 31 contacts → | ||||
Exact match “Somos una compañía especializada en servicios de Telecomunicaciones y Sistemas con mas de 20 años de experiencia prestando servicios a organizaciones públicas y privadas.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 31 contacts → | ||||
Exact match “Somos una empresa de Ingeniería y consultora de telecomunicaciones.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 28 contacts → | ||||
Exact match “At APFutura we are dedicated to delivering end-to-end telecommunications solutions to our customers.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 27 contacts → | ||||
Exact match “Fibercom ofrece productos y servicios de Fibra óptica en el ámbito de las Telecomunicaciones, cubriendo la totalidad de actividades involucradas en el proceso: ingeniería de redes…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 26 contacts → | ||||
Exact match “CGM Telecomunicaciones, fundada en 1993, es una empresa de ingeniería versátil enfocada al desarrollo de servicios de valor añadido que cubran las necesidades de los clientes, a…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 24 contacts → | ||||
Exact match “Somos profesionales en el transporte de palabras, imágenes, datos, sonidos, mensajes y emociones.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 22 contacts → | ||||
Exact match “Conectamos tus proyectos.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 20 contacts → | ||||
Exact match “Instalaciones y Proyectos integrales de Telecomunicaciones (IPT) es una empresa de COMSA Corporación especializada en servicios de planificación, ingeniería, despliegue, operación…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 19 contacts → | ||||
Exact match “La historia de ALTEL comienza en el año 1989, con el inicio de actividad de instalación y mantenimiento de equipos de radio y televisión.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 18 contacts → | ||||
Exact match “Axent is a carrier-neutral wholesale operator for Telecom infrastructure services in backbone, backhaul and access connectivity.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 16 contacts → | ||||
Exact match “Con más de 20 años de experiencia en el sector, ORT Telecomunicaciones ofrece servicios para satisfacer las necesidades de comunicaciones de las empresas en general y de las…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 25 | 14 contacts → | ||||
Exact match “Ingeniería comprometida con la innovación, con amplia experiencia en el ámbito industrial y de las telecomunicaciones, así como en el desarrollo de software de integración.” 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 “internet service infrastructure builders”. 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 216 internet service infrastructure builders based in Spain
See the full list, filter by size, metro and specialty, and access 389 tracked professional contacts with verified work emails. Direct dials are available where recorded.
Free signup · no credit card
Internet service infrastructure builders 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 216 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 “internet service infrastructure builders” 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 389 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.
Internet service infrastructure builders 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 “internet service infrastructure builders”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many internet service infrastructure builders are there based in Spain?
RevenueBase identified 216 company matches for internet service infrastructure builders 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?
SEMI tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most internet service infrastructure builders?
Madrid leads with 40 company records, followed by Barcelona (12) and Murcia (7).
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 389 professional contacts with verified work emails tracked across these 216 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 216 internet service infrastructure builders based in Spain. Start with a free account, no credit card.
Download this list →Related lists
Internet service infrastructure builders by geography
- Internet service infrastructure builders based in Dhaka, Bangladesh
- Internet service infrastructure builders based in Sao Paulo, Brazil
- Internet service infrastructure builders based in Calgary, Canada
- Internet service infrastructure builders based in Bogota, Colombia
- Internet service infrastructure builders based in Paris, France
- Internet service infrastructure builders based in Bangalore, India
- Internet service infrastructure builders based in Mumbai, India
- Internet service infrastructure builders based in Dki Jakarta, Indonesia
- Internet service infrastructure builders based in Jakarta, Indonesia
- Internet service infrastructure builders based in Riyadh, Saudi Arabia
- Internet service infrastructure builders based in Cape Town, South Africa
- Internet service infrastructure builders based in Johannesburg, South Africa
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
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Internet service infrastructure builders based in Dhaka, Bangladesh
- Internet service infrastructure builders based in Sao Paulo, Brazil
- Internet service infrastructure builders based in Calgary, Canada
- Internet service infrastructure builders based in Bogota, Colombia
- Internet service infrastructure builders based in Paris, France
- Internet service infrastructure builders based in Bangalore, India
Company intelligence · public preview
Top 25 internet service infrastructure builders 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 216 matching company records for internet service infrastructure builders based in Spain, with 5,960 tracked contacts and 389 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 internet service infrastructure builders 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 |  SEMIgruposemi.comHQ: Madrid, SpainReported employees: 1,001-5,000 | Madrid, Spain | 1,001-5,000 | Exact match | 863 contacts → |
“Created in 1919, SEMI is a leading company in the electricity and industrial sector.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  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. | |||||
| 3 |  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. | |||||
| 4 |  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. | |||||
| 5 |  Telxiustelxius.comHQ: Madrid, SpainReported employees: 201-500 | Madrid, Spain | 201-500 | Exact match | 314 contacts → |
“As the world’s needs for uninterrupted global interconnectivity continue to rise, we are preparing the road ahead.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Liteyca Telecomunicaciones, S.Lliteyca.esHQ: Madrid, SpainReported employees: 1,001-5,000 | Madrid, Spain | 1,001-5,000 | Exact match | 306 contacts → |
“Liteyca es una de las empresas pioneras en España en el desarrollo de infraestructuras y servicios de telecomunicaciones.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  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. | |||||
| 8 |  Cablevencableven.esHQ: Málaga, SpainReported employees: 501-1,000 | Málaga, Spain | 501-1,000 | Exact match | 123 contacts → |
“Empresa cualificada y especializada en la instalación y mantenimiento de redes y equipos de telecomunicaciones.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Siter Ingeniería DE Infraestructurassiter2000.comHQ: Bilbao, SpainReported employees: 51-200 | Bilbao, Spain | 51-200 | Exact match | 98 contacts → |
“SITER INGENIERÍA DE INFRAESTRUCTURAS es una compañía con más de 25 años de historia, que opera dando soporte a operadores y empresas relacionadas con el desarrollo de…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Mattelcomattelco.comHQ: Sabadell, SpainReported employees: 51-200 | Sabadell, Spain | 51-200 | Exact match | 51 contacts → |
“Confiamos en que nuestros valores y filosofía nos van a llevar muy lejos.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Autronic Comunicacionesautronic.netHQ: Vigo, SpainReported employees: 51-200 | Vigo, Spain | 51-200 | Exact match | 39 contacts → |
“EMPRESA Ofrecemos a nuestros clientes un servicio global de ingeniería de sistemas integrales, especializados en proyectos llave en mano y desarrollados con el máximo compromiso…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Aryse Global Servicesaryse.euHQ: Madrid, SpainReported employees: 51-200 | Madrid, Spain | 51-200 | Exact match | 31 contacts → |
“Aryse Infraestructuras está formada por un equipo técnico muy cualificado, desarrollando desde Ingeniería, Diseño, Implantaciones y Mantenimiento.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Vimantik Soluciones Tecnológicasvimantik.comHQ: Madrid, SpainReported employees: 11-50 | Madrid, Spain | 11-50 | Exact match | 31 contacts → |
“Somos una compañía especializada en servicios de Telecomunicaciones y Sistemas con mas de 20 años de experiencia prestando servicios a organizaciones públicas y privadas.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Avanzasolutionsavanzasolutions.esHQ: San Ginés, SpainReported employees: 51-200 | San Ginés, Spain | 51-200 | Exact match | 31 contacts → |
“Somos una empresa de Ingeniería y consultora de telecomunicaciones.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Apfuturaapfutura.netHQ: Sant Just Desvern, SpainReported employees: 11-50 | Sant Just Desvern, Spain | 11-50 | Exact match | 28 contacts → |
“At APFutura we are dedicated to delivering end-to-end telecommunications solutions to our customers.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Fibercom SLfibercom.esHQ: Zaragoza, SpainReported employees: 11-50 | Zaragoza, Spain | 11-50 | Exact match | 27 contacts → |
“Fibercom ofrece productos y servicios de Fibra óptica en el ámbito de las Telecomunicaciones, cubriendo la totalidad de actividades involucradas en el proceso: ingeniería de redes…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  CGM Telecomunicacionescgmtelecomunicaciones.esHQ: Madrid, SpainReported employees: 11-50 | Madrid, Spain | 11-50 | Exact match | 26 contacts → |
“CGM Telecomunicaciones, fundada en 1993, es una empresa de ingeniería versátil enfocada al desarrollo de servicios de valor añadido que cubran las necesidades de los clientes, a…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  NODOnodocomunicaciones.esHQ: Murcia, SpainReported employees: 11-50 | Murcia, Spain | 11-50 | Exact match | 24 contacts → |
“Somos profesionales en el transporte de palabras, imágenes, datos, sonidos, mensajes y emociones.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  ISCisc1987.comHQ: Barcelona, SpainReported employees: 51-200 | Barcelona, Spain | 51-200 | Exact match | 22 contacts → |
“Conectamos tus proyectos.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  IPT Grupo Comsa Corporacióncomsa.comHQ: Madrid, SpainReported employees: 51-200 | Madrid, Spain | 51-200 | Exact match | 20 contacts → |
“Instalaciones y Proyectos integrales de Telecomunicaciones (IPT) es una empresa de COMSA Corporación especializada en servicios de planificación, ingeniería, despliegue, operación…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Altel Comunicaciones SLUaltelcom.netHQ: Vitoria-gasteiz, SpainReported employees: 51-200 | Vitoria-gasteiz, Spain | 51-200 | Exact match | 19 contacts → |
“La historia de ALTEL comienza en el año 1989, con el inicio de actividad de instalación y mantenimiento de equipos de radio y televisión.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  AXENTaxent.esHQ: Madrid, SpainReported employees: 11-50 | Madrid, Spain | 11-50 | Exact match | 18 contacts → |
“Axent is a carrier-neutral wholesale operator for Telecom infrastructure services in backbone, backhaul and access connectivity.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  ORT Telecomunicacionesort-telecomunicaciones.esHQ: Málaga, SpainReported employees: 11-50 | Málaga, Spain | 11-50 | Exact match | 16 contacts → |
“Con más de 20 años de experiencia en el sector, ORT Telecomunicaciones ofrece servicios para satisfacer las necesidades de comunicaciones de las empresas en general y de las…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Emser Innovaemser.esHQ: Barcelona, SpainReported employees: 51-200 | Barcelona, Spain | 51-200 | Exact match | 14 contacts → |
“Ingeniería comprometida con la innovación, con amplia experiencia en el ámbito industrial y de las telecomunicaciones, así como en el desarrollo de software de integración.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 216 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
Free signup · 500 credits · limited free results
Internet service infrastructure builders: 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
210 records in the displayed employee bands.
6 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 216 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 ↗
Internet service infrastructure builders by metro
Questions about this company list
What does Exact match mean for internet service infrastructure builders?
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 internet service infrastructure builders did RevenueBase find based in Spain?
The saved snapshot records 216 matching company records, 5,960 tracked contacts and 389 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
Internet service infrastructure builders by geography
- Internet service infrastructure builders based in Dhaka, Bangladesh
- Internet service infrastructure builders based in Sao Paulo, Brazil
- Internet service infrastructure builders based in Calgary, Canada
- Internet service infrastructure builders based in Bogota, Colombia
- Internet service infrastructure builders based in Paris, France
- Internet service infrastructure builders based in Bangalore, India
- Internet service infrastructure builders based in Mumbai, India
- Internet service infrastructure builders based in Dki Jakarta, Indonesia
- Internet service infrastructure builders based in Jakarta, Indonesia
- Internet service infrastructure builders based in Riyadh, Saudi Arabia
- Internet service infrastructure builders based in Cape Town, South Africa
- Internet service infrastructure builders based in Johannesburg, South Africa
Cite this list
RevenueBase Data Team. Top 25 internet service infrastructure builders based in Spain. Snapshot: November 6, 2026. https://revenuebase.ai/companies/internet-service-infrastructure-builders/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
- Internet service infrastructure builders based in Dhaka, Bangladesh
- Internet service infrastructure builders based in Sao Paulo, Brazil
- Internet service infrastructure builders based in Calgary, Canada
- Internet service infrastructure builders based in Bogota, Colombia
- Internet service infrastructure builders based in Paris, France
- Internet service infrastructure builders based in Bangalore, India
Company intelligence · public preview
Top 25 internet service infrastructure builders based in Spain
RevenueBase records 216 matching company records for internet service infrastructure builders based in Spain, with 5,960 tracked contacts and 389 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 internet service infrastructure builders 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 | SEMIgruposemi.com HQ: Madrid, SpainReported employees: 1,001-5,000 | Madrid, Spain | 1,001-5,000 | Exact match | 863 contacts → |
“Created in 1919, SEMI is a leading company in the electricity and industrial sector.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | 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. | |||||
| 3 | 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. | |||||
| 4 | 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. | |||||
| 5 | Telxiustelxius.com HQ: Madrid, SpainReported employees: 201-500 | Madrid, Spain | 201-500 | Exact match | 314 contacts → |
“As the world’s needs for uninterrupted global interconnectivity continue to rise, we are preparing the road ahead.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Liteyca Telecomunicaciones, S.Lliteyca.es HQ: Madrid, SpainReported employees: 1,001-5,000 | Madrid, Spain | 1,001-5,000 | Exact match | 306 contacts → |
“Liteyca es una de las empresas pioneras en España en el desarrollo de infraestructuras y servicios de telecomunicaciones.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | 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. | |||||
| 8 | Cablevencableven.es HQ: Málaga, SpainReported employees: 501-1,000 | Málaga, Spain | 501-1,000 | Exact match | 123 contacts → |
“Empresa cualificada y especializada en la instalación y mantenimiento de redes y equipos de telecomunicaciones.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Siter Ingeniería DE Infraestructurassiter2000.com HQ: Bilbao, SpainReported employees: 51-200 | Bilbao, Spain | 51-200 | Exact match | 98 contacts → |
“SITER INGENIERÍA DE INFRAESTRUCTURAS es una compañía con más de 25 años de historia, que opera dando soporte a operadores y empresas relacionadas con el desarrollo de…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Mattelcomattelco.com HQ: Sabadell, SpainReported employees: 51-200 | Sabadell, Spain | 51-200 | Exact match | 51 contacts → |
“Confiamos en que nuestros valores y filosofía nos van a llevar muy lejos.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Autronic Comunicacionesautronic.net HQ: Vigo, SpainReported employees: 51-200 | Vigo, Spain | 51-200 | Exact match | 39 contacts → |
“EMPRESA Ofrecemos a nuestros clientes un servicio global de ingeniería de sistemas integrales, especializados en proyectos llave en mano y desarrollados con el máximo compromiso…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Aryse Global Servicesaryse.eu HQ: Madrid, SpainReported employees: 51-200 | Madrid, Spain | 51-200 | Exact match | 31 contacts → |
“Aryse Infraestructuras está formada por un equipo técnico muy cualificado, desarrollando desde Ingeniería, Diseño, Implantaciones y Mantenimiento.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Vimantik Soluciones Tecnológicasvimantik.com HQ: Madrid, SpainReported employees: 11-50 | Madrid, Spain | 11-50 | Exact match | 31 contacts → |
“Somos una compañía especializada en servicios de Telecomunicaciones y Sistemas con mas de 20 años de experiencia prestando servicios a organizaciones públicas y privadas.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Avanzasolutionsavanzasolutions.es HQ: San Ginés, SpainReported employees: 51-200 | San Ginés, Spain | 51-200 | Exact match | 31 contacts → |
“Somos una empresa de Ingeniería y consultora de telecomunicaciones.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Apfuturaapfutura.net HQ: Sant Just Desvern, SpainReported employees: 11-50 | Sant Just Desvern, Spain | 11-50 | Exact match | 28 contacts → |
“At APFutura we are dedicated to delivering end-to-end telecommunications solutions to our customers.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Fibercom SLfibercom.es HQ: Zaragoza, SpainReported employees: 11-50 | Zaragoza, Spain | 11-50 | Exact match | 27 contacts → |
“Fibercom ofrece productos y servicios de Fibra óptica en el ámbito de las Telecomunicaciones, cubriendo la totalidad de actividades involucradas en el proceso: ingeniería de redes…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | CGM Telecomunicacionescgmtelecomunicaciones.es HQ: Madrid, SpainReported employees: 11-50 | Madrid, Spain | 11-50 | Exact match | 26 contacts → |
“CGM Telecomunicaciones, fundada en 1993, es una empresa de ingeniería versátil enfocada al desarrollo de servicios de valor añadido que cubran las necesidades de los clientes, a…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | NODOnodocomunicaciones.es HQ: Murcia, SpainReported employees: 11-50 | Murcia, Spain | 11-50 | Exact match | 24 contacts → |
“Somos profesionales en el transporte de palabras, imágenes, datos, sonidos, mensajes y emociones.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | ISCisc1987.com HQ: Barcelona, SpainReported employees: 51-200 | Barcelona, Spain | 51-200 | Exact match | 22 contacts → |
“Conectamos tus proyectos.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | IPT Grupo Comsa Corporacióncomsa.com HQ: Madrid, SpainReported employees: 51-200 | Madrid, Spain | 51-200 | Exact match | 20 contacts → |
“Instalaciones y Proyectos integrales de Telecomunicaciones (IPT) es una empresa de COMSA Corporación especializada en servicios de planificación, ingeniería, despliegue, operación…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Altel Comunicaciones SLUaltelcom.net HQ: Vitoria-gasteiz, SpainReported employees: 51-200 | Vitoria-gasteiz, Spain | 51-200 | Exact match | 19 contacts → |
“La historia de ALTEL comienza en el año 1989, con el inicio de actividad de instalación y mantenimiento de equipos de radio y televisión.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | AXENTaxent.es HQ: Madrid, SpainReported employees: 11-50 | Madrid, Spain | 11-50 | Exact match | 18 contacts → |
“Axent is a carrier-neutral wholesale operator for Telecom infrastructure services in backbone, backhaul and access connectivity.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | ORT Telecomunicacionesort-telecomunicaciones.es HQ: Málaga, SpainReported employees: 11-50 | Málaga, Spain | 11-50 | Exact match | 16 contacts → |
“Con más de 20 años de experiencia en el sector, ORT Telecomunicaciones ofrece servicios para satisfacer las necesidades de comunicaciones de las empresas en general y de las…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Emser Innovaemser.es HQ: Barcelona, SpainReported employees: 51-200 | Barcelona, Spain | 51-200 | Exact match | 14 contacts → |
“Ingeniería comprometida con la innovación, con amplia experiencia en el ámbito industrial y de las telecomunicaciones, así como en el desarrollo de software de integración.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 216 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
Free signup · 500 credits · limited free results
Internet service infrastructure builders: 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
210 records in the displayed employee bands.
6 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 216 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 ↗
Internet service infrastructure builders by metro
Questions about this company list
What does Exact match mean for internet service infrastructure builders?
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 internet service infrastructure builders did RevenueBase find based in Spain?
The saved snapshot records 216 matching company records, 5,960 tracked contacts and 389 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
Internet service infrastructure builders by geography
- Internet service infrastructure builders based in Dhaka, Bangladesh
- Internet service infrastructure builders based in Sao Paulo, Brazil
- Internet service infrastructure builders based in Calgary, Canada
- Internet service infrastructure builders based in Bogota, Colombia
- Internet service infrastructure builders based in Paris, France
- Internet service infrastructure builders based in Bangalore, India
- Internet service infrastructure builders based in Mumbai, India
- Internet service infrastructure builders based in Dki Jakarta, Indonesia
- Internet service infrastructure builders based in Jakarta, Indonesia
- Internet service infrastructure builders based in Riyadh, Saudi Arabia
- Internet service infrastructure builders based in Cape Town, South Africa
- Internet service infrastructure builders based in Johannesburg, South Africa
Cite this list
RevenueBase Data Team. Top 25 internet service infrastructure builders based in Spain. Snapshot: November 6, 2026. https://revenuebase.ai/companies/internet-service-infrastructure-builders/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
- Internet service infrastructure builders based in Dhaka, Bangladesh
- Internet service infrastructure builders based in Sao Paulo, Brazil
- Internet service infrastructure builders based in Calgary, Canada
- Internet service infrastructure builders based in Bogota, Colombia
- Internet service infrastructure builders based in Paris, France
- Internet service infrastructure builders based in Bangalore, India