Company lists · Data refreshed September 2026
Top 25 Telecom infrastructure services companies based in Italy
RevenueBase identified 594 telecom infrastructure services companies headquartered in Italy as of September 2026 and tracks 17,338 professional contacts across them, including 6,368 with verified work emails. Roma is the largest hub.
This list covers telecom infrastructure services companies headquartered in Italy, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 16, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest telecom infrastructure services companies based in Italy
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 3,850 contacts → | ||||
Indirect evidence “WINDTRE è l’operatore italiano che offre connessioni, energia e prodotti assicurativi*.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 2 | 3,297 contacts → | ||||
Indirect evidence “A partire dal 1° gennaio 2026 Fastweb S.p.A.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 3 | 1,520 contacts → | ||||
Indirect evidence “A partire dal 1° gennaio 2026 Fastweb S.p.A.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 4 | 668 contacts → | ||||
Partial evidence “Circet Italia opera da oltre 30 anni nel mercato di sistemi e reti di telecomunicazione, energia e trasporti con servizi di progettazione, installazione e manutenzione di grandi…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 5 | 295 contacts → | ||||
Indirect evidence “Rai Way è un operatore di infrastrutture digitali integrate e fornitore di servizi per la distribuzione di contenuti media.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 6 | 281 contacts → | ||||
Strong evidence “We are a team specialized in integrated engineering and architectural services for telecommunications, electrical, water and civil-industrial infrastructures that enhance…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 7 | 272 contacts → | ||||
Partial evidence “INWIT (Italian Wireless Infrastructures) is active in the telco infrastructure business.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 8 | 235 contacts → | ||||
Indirect evidence “Siamo presenti sul mercato nazionale fin dal 1979.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 9 | 181 contacts → | ||||
Partial evidence “Dal 1° agosto 2024 Irideos S.p.A è diventata Retelit, leader in Italia nel settore delle Telecomunicazioni focalizzato sul mercato B2B, con un'offerta che integra infrastrutture e…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 10 | 144 contacts → | ||||
Partial evidence “INTRED nasce a Milano nel gennaio 1996 con l’obiettivo di fornire servizi di Telecomunicazioni ed Internet.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 11 | 138 contacts → | ||||
Indirect evidence “OpNet è la Company Wholesale WindTre, partner di operatori TLC e aziende di settori adiacenti, come Multiutilities, Assicurazioni e Grande Distribuzione, che necessitano di…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 12 | 132 contacts → | ||||
Partial evidence “SELEKTRA ITALIA Srl nasce a fine 2018 dalla fusione societaria di TELEKTRA e SETEL, due società che hanno nei Servizi e Prodotti per Telecomunicazioni il loro Core Business.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 13 | 116 contacts → | ||||
Partial evidence “TWT S.p.A, an independent telecommunications company founded in 1995, addresses the Reseller, Carrier and Corporate markets with a full range of integrated communication services…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 14 | 110 contacts → | ||||
Partial evidence “EI TOWERS è l’azienda indipendente leader in Italia nella gestione delle infrastrutture per TV, Radio, Telecomunicazioni ed Internet of Things.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 15 | 107 contacts → | ||||
Indirect evidence “L'AZIENDA Da molti decenni Sertori S.p.A.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 16 | 102 contacts → | ||||
Indirect evidence “SM-OPTICS is company driving innovation in fiber based communication, counting on a proven management and R&D team with 20+ years of experience in the optical domain as well as…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 17 | 89 contacts → | ||||
Partial evidence “Fibermind is an Italian company of excellence in civil engineering and telecommunications, specialized in consulting and engineering design in the field of construction and…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 18 | 82 contacts → | ||||
Partial evidence “Since 1966 we have been reinventing telecommunications structures.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 19 | 72 contacts → | ||||
Indirect evidence “Lavorare ogni giorno al tuo fianco per conquistare la tua fiducia per sempre, è quello che desideriamo più di ogni altra cosa.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 20 | 72 contacts → | ||||
Partial evidence “Aiutiamo le imprese italiane a orientarsi nel mondo delle telecomunicazioni, guidandole nella scelta dei migliori servizi disponibili in questo campo.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 21 | 66 contacts → | ||||
Partial evidence “We develop innovative and scalable network infrastructures, we provide advanced ICT services making our mission concrete: to amplify the communication of companies that consider…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 22 | 64 contacts → | ||||
Indirect evidence “With more than 25 years of experience, MT is a highly qualified, flexible and efficient service provider.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 23 | 64 contacts → | ||||
Indirect evidence “Not active anymore” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 24 | 56 contacts → | ||||
Indirect evidence “Sittel SpA – Soluzioni Infrastrutturali Telefoniche ed Elettriche.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 25 | 56 contacts → | ||||
Indirect evidence “Clouditalia nasce dal progetto di acquisizione del ramo di azienda di Eutelia.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: telecom infrastructure services companies. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names telecom infrastructure services companies.
- Partial evidence
- Its own public description names part of telecom infrastructure services companies, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name telecom infrastructure services companies. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 594 telecom infrastructure services companies based in Italy
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Telecom infrastructure services companies based in Italy at a glance
As of Sep 16, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for Italy, so it is reported there. Company counts and contact totals on this page are exact for Italy, over 594 companies.
How this list was built
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among telecom infrastructure services companies, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
- What qualifies
- Companies headquartered in Italy whose own description of what they do matches “telecom infrastructure services companies”. Matching reads each company's description, not its industry code or its name.
- RevenueBase Smart Search
- RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names telecom infrastructure services companies), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
- What we exclude
- Companies whose own description does not clearly place them among telecom infrastructure services companies, and records with no verified work email. Companies headquartered outside Italy are excluded even when they keep an office there.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every listed company carries at least one verified work email, 6,368 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on September 16, 2026. Lists refresh periodically as the graph is re-checked.
- Corrections
- Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.
Telecom infrastructure services companies by metro
- Telecom infrastructure services companies in Roma34
Frequently asked
What is RevenueBase Smart Search?
RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names telecom infrastructure services companies, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.
How many telecom infrastructure services companies are there based in Italy?
RevenueBase identified 594 telecom infrastructure services companies headquartered in Italy as of September 2026, matched on each company's own description of what it does rather than its industry code.
What is the largest company on this list?
Wind TRE, headquartered in Milano, tops this list with the largest team on record.
Which city has the most telecom infrastructure services companies?
Roma leads with 34 headquartered companies, followed by Milano (21) and Napoli (16).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 6,368 verified decision-maker contacts tracked across these 594 companies.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 16, 2026.
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About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase Smart Search, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
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