Company lists · Data refreshed September 2026
Top 25 Fiber optic network operators based in Italy
RevenueBase identified 182 fiber optic network operators headquartered in Italy as of September 2026 and tracks 4,367 professional contacts across them, including 1,653 with verified work emails. Roma is the largest hub.
This list covers fiber optic network operators 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 20, 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 fiber optic network operators based in Italy
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 1,818 contacts → | ||||
Partial evidence “Open Fiber nasce a dicembre 2016 con l’obiettivo di realizzare un’infrastruttura di rete a banda ultra larga (BUL) in fibra ottica FTTH (Fiber To The Home) in tutte le regioni…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 2 | 1,009 contacts → | ||||
Indirect evidence “Tiscali Italia S.p.A.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 3 | 107 contacts → | ||||
Indirect evidence “L'AZIENDA Da molti decenni Sertori S.p.A.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 4 | 102 contacts → | ||||
Strong 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 20, 2026Thanks. The Data Team will review it. | |||||
| 5 | 89 contacts → | ||||
Indirect 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 20, 2026Thanks. The Data Team will review it. | |||||
| 6 | 68 contacts → | ||||
Indirect evidence “Laboratori Guglielmo Marconi (LABS) is an engineering company which provides highly skilled solutions in the design, development and implementation of wire-line and wireless…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 7 | 54 contacts → | ||||
Indirect evidence “Todos.it S.r.l.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 8 | 54 contacts → | ||||
Indirect evidence “MDS Impianti vanta un’esperienza decennale nei settori dell’impiantistica e delle telecomunicazioni.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 9 | 49 contacts → | ||||
Partial evidence “FibreConnect è un operatore indipendente che fornisce servizi di connettività attraverso una rete in fibra ottica ad alte prestazioni e affidabile.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 10 | 42 contacts → | ||||
Indirect evidence “InPowerGroup è un consorzio italiano nato nel 2009 che opera con una altissima specializzazione nel settore delle Infrastrutture e Impianti ad Alta Tecnologia.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 11 | 29 contacts → | ||||
Indirect evidence “Nel mercato ICT trovi sempre qualcuno che ha la soluzione pronta.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 12 | 26 contacts → | ||||
Strong evidence “Fiber Telecom is a provider of integrated networking solutions that simplify connections that enabling Operators to optimising applications and services across Italy.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 13 | 21 contacts → | ||||
Indirect evidence “Wolnet è l’Internet provider a banda larga che dal 2005 connette persone ed aziende con tecnologia FWA e Fibra.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 14 | 19 contacts → | ||||
Indirect evidence “Internet Service And Application Provider dal 1995, MULTIWIRE è cresciuta insieme alle rete Internet.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 15 | 18 contacts → | ||||
Indirect evidence “Fibraweb, che lavora esclusivamente con clienti Business, mira a coprire con la propria fibra proprietaria la maggior parte delle aree industriali in Umbria, Marche, Toscana e…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 16 | 18 contacts → | ||||
Strong evidence “Riel Srl specializes in telecommunication infrastructure construction, with particular focus in fiber optic networks.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 17 | 18 contacts → | ||||
Indirect evidence “Operiamo su tutto il territorio nazionale.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 18 | 17 contacts → | ||||
Indirect evidence “Siamo una società consortile italiana che si pone come riferimento nel mercato delle installazioni dei servizi di telecomunicazione.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 19 | 17 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 20 | 17 contacts → | ||||
Indirect evidence “Iccom was founded in 2007 by a group of former Polytechnic University of Turin engineers as a company specialized in the research, installation and management of telecommunication…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 21 | 16 contacts → | ||||
Partial evidence “CONNECTIVIA è il primo operatore a livello nazionale ad avere sviluppato una rete di nuova generazione interamente in fibra ottica ed è il primo operatore dati a banda ultra larga…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 22 | 14 contacts → | ||||
Partial evidence “Trivenet Telecomunicazioni è un Operatore Veneto proprietario di una rete autonoma attraverso la quale offre soluzioni esclusive di Servizi internet e fonia ai massimi livelli…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 23 | 14 contacts → | ||||
Strong evidence “Inovative Srl is a small Italian Company, which operates in Telecommunications Field's, especially Fiber Optics Networks.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 24 | 12 contacts → | ||||
Partial evidence “RCS Tecnoimpianti, nasce dall'esperienza pluriennale di tre colleghi, Rosario, Cesare e Sergio, maturata nel settore della telefonia, infrastruttura di rete, networking e TVCC.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 25 | 11 contacts → | ||||
Indirect evidence “Siamo un'azienda di 90 dipendenti con sede operativa a Novate Milanese (MI), impegnata nel settore delle Telecomunicazioni: Fibra Ottica e lavori in prossimità della rete…” Source: RevenueBase Database · checked Sep 20, 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: fiber optic network operators. 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 fiber optic network operators.
- Partial evidence
- Its own public description names part of fiber optic network operators, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name fiber optic network operators. 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 182 fiber optic network operators based in Italy
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Fiber optic network operators based in Italy at a glance
As of Sep 20, 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 182 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 fiber optic network operators, 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 “fiber optic network operators”. 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 fiber optic network operators), 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 fiber optic network operators, 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, 1,653 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 20, 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.
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 fiber optic network operators, 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 fiber optic network operators are there based in Italy?
RevenueBase identified 182 fiber optic network operators 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?
Open Fiber, headquartered in Rome, tops this list with the largest team on record.
Which city has the most fiber optic network operators?
Roma leads with 10 headquartered companies, followed by Milano (6) and Napoli (5).
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 1,653 verified decision-maker contacts tracked across these 182 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 20, 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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