Company lists · Data refreshed September 2026

Top 25 Telecommunications contractors based in Italy

Name: Telecommunications contractors based in Italy
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 19, 2026 1,228 companies tracked

RevenueBase identified 1,228 telecommunications contractors headquartered in Italy as of September 2026 and tracks 11,643 professional contacts across them, including 3,288 with verified work emails. Roma is the largest hub.

This list covers telecommunications contractors 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 19, 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.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 19, 2026 86% judged on-target in blind review

1,228Companies

11,643Contacts tracked

3,288Verified emails

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The 25 largest telecommunications contractors based in Italy

Ranked by team size

Top 25 of 1,228 telecommunications contractors based in Italy, ranked by team size, largest first. Data refreshed Sep 19, 2026. RevenueBase Smart Search rates how each company's information relates to telecommunications contractors: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Sielte SPA	Indirect evidence	Rome, ItalyHQ checked Sep 19, 2026	1,001-5,000	2,448 contacts →
	Indirect evidence “Oltre Persone, distribuite su 21 Centri Operativi in tutta Italia, che ogni giorno installano, collaudano, gestiscono il commissioning e le manutenzioni, progettano, implementano…” Source: RevenueBase Database · checked Sep 19, 2026
2	Circet Italia S.P.A	Indirect evidence	San Giovanni Teatino, ItalyHQ checked Sep 19, 2026	1,001-5,000	668 contacts →
	Indirect 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 19, 2026
3	System House	Indirect evidence	Reggio Calabria, ItalyHQ checked Sep 19, 2026	1,001-5,000	420 contacts →
	Indirect evidence “System House nasce come azienda informatica nel 1981 grazie alle competenze del suo Amministratore Unico.” Source: RevenueBase Database · checked Sep 19, 2026
4	Siat Installazioni S.P.A	Indirect evidence	Ariccia, ItalyHQ checked Sep 19, 2026	501-1,000	235 contacts →
	Indirect evidence “Siamo presenti sul mercato nazionale fin dal 1979.” Source: RevenueBase Database · checked Sep 19, 2026
5	Fracarro Radioindustrie	Indirect evidence	Castelfranco Veneto, ItalyHQ checked Sep 19, 2026	51-200	145 contacts →
	Indirect evidence “Reception and distribution of audio video data signals for single units, condominium and hospitality, with coaxial technology, IP and optical fiber.” Source: RevenueBase Database · checked Sep 19, 2026
6	Milani SPA	Indirect evidence	Osnago, ItalyHQ checked Sep 19, 2026	201-500	128 contacts →
	Indirect evidence “Fondata come una piccola azienda di famiglia nel 1964, oggi la società Milani SpA ha ampliato la natura delle sue attività presentandosi sul mercato per la realizzazione di lavori…” Source: RevenueBase Database · checked Sep 19, 2026
7	TWT	Partial evidence	Milan, ItalyHQ checked Sep 19, 2026	51-200	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 19, 2026
8	Sertori S.P.A	Indirect evidence	Milano, ItalyHQ checked Sep 19, 2026	201-500	107 contacts →
	Indirect evidence “L'AZIENDA Da molti decenni Sertori S.p.A.” Source: RevenueBase Database · checked Sep 19, 2026
9	Fimo Group	Indirect evidence	Milano, ItalyHQ checked Sep 19, 2026	51-200	103 contacts →
	Indirect evidence “Supporting the sustainable development of the world’s Telecom Infrastructure.” Source: RevenueBase Database · checked Sep 19, 2026
10	Sm-Optics	Indirect evidence	Cologno Monzese, ItalyHQ checked Sep 19, 2026	201-500	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 19, 2026
11	Fibermind S.R.L	Partial evidence	ItalyHQ checked Sep 19, 2026	51-200	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 19, 2026
12	Eritel Telecomunicazioni	Indirect evidence	Montemarciano, ItalyHQ checked Sep 19, 2026	11-50	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 19, 2026
13	ONE Team Group	Indirect evidence	Milano, ItalyHQ checked Sep 19, 2026	51-200	72 contacts →
	Indirect 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 19, 2026
14	Laboratori Guglielmo Marconi	Indirect evidence	Pontecchio Marconi, ItalyHQ checked Sep 19, 2026	51-200	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 19, 2026
15	MT	Indirect evidence	Milan, ItalyHQ checked Sep 19, 2026	11-50	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 19, 2026
16	Gruppomega SPA	Indirect evidence	Priolo Gargallo (sr), ItalyHQ checked Sep 19, 2026	51-200	57 contacts →
	Indirect evidence “Turn-key system integration for telecom & security” Source: RevenueBase Database · checked Sep 19, 2026
17	Sittel S.P.A	Indirect evidence	Roma, ItalyHQ checked Sep 19, 2026	201-500	56 contacts →
	Indirect evidence “Sittel SpA – Soluzioni Infrastrutturali Telefoniche ed Elettriche.” Source: RevenueBase Database · checked Sep 19, 2026
18	Todos.It S.R.L. Telecomunicazioni	Indirect evidence	Pisogne, ItalyHQ checked Sep 19, 2026	51-200	54 contacts →
	Indirect evidence “Todos.it S.r.l.” Source: RevenueBase Database · checked Sep 19, 2026
19	MDS Impianti	Indirect evidence	Colico, ItalyHQ checked Sep 19, 2026	51-200	54 contacts →
	Indirect evidence “MDS Impianti vanta un’esperienza decennale nei settori dell’impiantistica e delle telecomunicazioni.” Source: RevenueBase Database · checked Sep 19, 2026
20	KMD	Indirect evidence	Milano, ItalyHQ checked Sep 19, 2026	11-50	47 contacts →
	Indirect evidence “KMD è unico Master Dealer Nazionale per Fastweb, Sky, Eolo, Tiscali, Linkem e ho.” Source: RevenueBase Database · checked Sep 19, 2026
21	Eletecno ST SPA	Indirect evidence	Robbiate, ItalyHQ checked Sep 19, 2026	201-500	45 contacts →
	Indirect evidence “ELETECNO ST SPA is a real estate company based out of Via delle Rovedine, ROBBIATE, Lombardy, Italy.” Source: RevenueBase Database · checked Sep 19, 2026
22	LA Telefonica S.R.L	Indirect evidence	Roma, ItalyHQ checked Sep 19, 2026	51-200	45 contacts →
	Indirect evidence “Costituita nel 1974, La Telefonica, da oltre 30 anni, fornisce sistemi di telecomunicazione apprezzati per qualità, affidabilità e performance.” Source: RevenueBase Database · checked Sep 19, 2026
23	Teller Group	Indirect evidence	Saronno, ItalyHQ checked Sep 19, 2026	11-50	43 contacts →
	Indirect evidence “Il Gruppo Teller, nato a Milano nel 1991 come distributore dei primi telefoni cellulari, concentra sin da subito le sue energie nella creazione di servizi pensati ad hoc per le…” Source: RevenueBase Database · checked Sep 19, 2026
24	Inpowergroup Scpa	Indirect evidence	Naples, ItalyHQ checked Sep 19, 2026	51-200	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 19, 2026
25	Sinora SRL	Partial evidence	Riccione, ItalyHQ checked Sep 19, 2026	51-200	40 contacts →
	Partial evidence “A player in the market of telecommunications, Sinora is a truly Italian company resulting from the merger of Eurocom Telecomunicazioni and Saitel Telecomunicazioni, which have…” Source: RevenueBase Database · checked Sep 19, 2026

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: telecommunications contractors. 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 telecommunications contractors.
Partial evidence: Its own public description names part of telecommunications contractors, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name telecommunications contractors. 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 1,228 telecommunications contractors based in Italy

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Telecommunications contractors based in Italy at a glance

As of Sep 19, 2026

28.2%Verified-email coverage

9.5Average contacts per company

11-50Median size (employees)

6.0%Largest-city concentration · Roma

Sep 19, 2026Page data refreshed

Companies by employee count

1-10

344

11-50

700

51-200

147

201-500

501-1,000

1,001-5,000

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 1,228 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 telecommunications contractors, 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 “telecommunications contractors”. 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 telecommunications contractors), 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 telecommunications contractors, 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, 3,288 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 19, 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.

Telecommunications contractors by metro

Telecommunications contractors in Roma74
Telecommunications contractors in Napoli34
Telecommunications contractors in Milano Mi33
Telecommunications contractors in Torino25

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 telecommunications contractors, 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 telecommunications contractors are there based in Italy?

RevenueBase identified 1,228 telecommunications contractors 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?

Sielte SPA, headquartered in Roma, tops this list with the largest team on record.

Which city has the most telecommunications contractors?

Roma leads with 74 headquartered companies, followed by Napoli (34) and Milano Mi (33).

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 3,288 verified decision-maker contacts tracked across these 1,228 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 19, 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.