Company lists · Data refreshed September 2026

Top 25 Custom window builders based in Italy

Name: Custom window builders based in Italy
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 19, 2026 964 companies tracked

RevenueBase identified 964 custom window builders headquartered in Italy as of September 2026 and tracks 5,198 professional contacts across them, including 819 with verified work emails. Roma is the largest hub.

This list covers custom window builders 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

964Companies

5,198Contacts tracked

819Verified emails

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The 25 largest custom window builders based in Italy

Ranked by team size

Top 25 of 964 custom window builders 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 custom window builders: 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	Finstral	Indirect evidence	Unterinn/ritten, ItalyHQ checked Sep 19, 2026	1,001-5,000	248 contacts →
	Indirect evidence “Based in South Tyrol, Italy, Finstral is held by the Oberrauch family, who founded the company in 1969.” Source: RevenueBase Database · checked Sep 19, 2026
2	Piva Group SPA	Indirect evidence	Gazzo Veronese, ItalyHQ checked Sep 19, 2026	501-1,000	148 contacts →
	Indirect evidence “Piva Group nasce nel 2005 ma affonda le sue radici nella sapienza di due aziende italiane, Mondial Infissi per la costruzione di serramenti in alluminio e Pannelli System per la…” Source: RevenueBase Database · checked Sep 19, 2026
3	Schüco International Italia SRL	Indirect evidence	Padova, ItalyHQ checked Sep 19, 2026	5,001-10,000	136 contacts →
	Indirect evidence “Schüco – Soluzioni di sistema per finestre, porte e facciate.” Source: RevenueBase Database · checked Sep 19, 2026
4	Tecnoplast	Indirect evidence	Pesaro, ItalyHQ checked Sep 19, 2026	201-500	105 contacts →
	Indirect evidence “Siamo nati per fare infissi di qualità.” Source: RevenueBase Database · checked Sep 19, 2026
5	Capoferri Serramenti S.P.A	Partial evidence	Adrara San Martino, ItalyHQ checked Sep 19, 2026	51-200	65 contacts →
	Partial evidence “Capoferri Serramenti designs, manufactures and installs doors and windows of various kinds in wood and noble metals, such as completion of residential, commercial, industrial and…” Source: RevenueBase Database · checked Sep 19, 2026
6	Sciuker Frames	Partial evidence	Contrada, ItalyHQ checked Sep 19, 2026	51-200	62 contacts →
	Partial evidence “We are an innovative company active in the design and production of sustainable windows that improve the Planet.” Source: RevenueBase Database · checked Sep 19, 2026
7	Fresia Alluminio SPA	Indirect evidence	Volpiano, ItalyHQ checked Sep 19, 2026	51-200	44 contacts →
	Indirect evidence “Fresia Alluminio is the italian leader in design and marketing of eco-sustainable architectural aluminum systems for high energy efficiency buildings.” Source: RevenueBase Database · checked Sep 19, 2026
8	Cocif Doors Windows	Indirect evidence	Longiano, ItalyHQ checked Sep 19, 2026	201-500	43 contacts →
	Indirect evidence “A LONG HISTORY, A CONTEMPORARY VISION.” Source: RevenueBase Database · checked Sep 19, 2026
9	Finestre Nurith	Indirect evidence	Ginosa, ItalyHQ checked Sep 19, 2026	51-200	36 contacts →
	Indirect evidence “FINESTRE NURITH nasce nel 1986 nel cuore della Puglia, a Ginosa (TA), come una piccola realtà artigiana, grazie all’idea imprenditoriale di tre soci.” Source: RevenueBase Database · checked Sep 19, 2026
10	Giemme Windows And Doors	Strong evidence	Forlì, ItalyHQ checked Sep 19, 2026	51-200	33 contacts →
	Strong evidence “GIEMME manufactures and sales high quality custom doors and windows and is a brand reference for homeowners architects, and builders.” Source: RevenueBase Database · checked Sep 19, 2026
11	Italserramenti SRL	Indirect evidence	Chiari, ItalyHQ checked Sep 19, 2026	51-200	32 contacts →
	Indirect evidence “Un produttore di serramenti strettamente legato alla tradizione e al suo territorio d’origine ma che guarda verso nuovi orizzonti attraverso una lente: quella dell’innovazione…” Source: RevenueBase Database · checked Sep 19, 2026
12	Zanetti SRL	Indirect evidence	Pergine Valsugana, ItalyHQ checked Sep 19, 2026	51-200	31 contacts →
	Indirect evidence “For over 50 years, Zanetti Srl has been a trusted partner in building envelope solutions, delivering: Curtain walls Glazed roofs External cladding Solar shading systems Aluminum…” Source: RevenueBase Database · checked Sep 19, 2026
13	Domino Infissi	Indirect evidence	Torino, ItalyHQ checked Sep 19, 2026	51-200	31 contacts →
	Indirect evidence “Siamo un'azienda giovane e in crescita.” Source: RevenueBase Database · checked Sep 19, 2026
14	Agostini Group	Indirect evidence	Quarto D'altino, ItalyHQ checked Sep 19, 2026	51-200	28 contacts →
	Indirect evidence “Produzione e installazione di serramenti in pvc e alluminio dal 1963.” Source: RevenueBase Database · checked Sep 19, 2026
15	CMP SRL	Partial evidence	Osimo, ItalyHQ checked Sep 19, 2026	51-200	27 contacts →
	Partial evidence “For forty years, CMP has been operating with great passion providing components for the building sector: windows, fixtures, curtain walls and steel structures.” Source: RevenueBase Database · checked Sep 19, 2026
16	Essepi	Indirect evidence	Cavedine, ItalyHQ checked Sep 19, 2026	11-50	25 contacts →
	Indirect evidence “Essepi è una realtà imprenditoriale dinamica radicata nel territorio Trentino della Valle dei Laghi e orientata al principio della sostenibilità ambientale che dal 1978 progetta e…” Source: RevenueBase Database · checked Sep 19, 2026
17	SIMAR	Indirect evidence	Viggiano, ItalyHQ checked Sep 19, 2026	51-200	24 contacts →
	Indirect evidence “Da oltre 30 anni SIMAR è sinonimo di eccellenza italiana nella finestra di alta qualità.” Source: RevenueBase Database · checked Sep 19, 2026
18	Infissi&infissi SRL	Indirect evidence	Torino, ItalyHQ checked Sep 19, 2026	1-10	24 contacts →
	Indirect evidence “Infissi & Infissi nasce dall'idea di sei amici e colleghi, che da oltre 20 anni lavorano nel settore dei serramenti, con la stessa determinazione da cui sono partiti.” Source: RevenueBase Database · checked Sep 19, 2026
19	CFG Serramenti	Indirect evidence	Sant'omobono Terme, ItalyHQ checked Sep 19, 2026	11-50	21 contacts →
	Indirect evidence “CFG serramenti inizia la propria attività nel 2009 e fin da subito si occupa di produzione e posa in opera di infissi in PVC.” Source: RevenueBase Database · checked Sep 19, 2026
20	Alpi Fenster	Partial evidence	Rifiano, ItalyHQ checked Sep 19, 2026	51-200	20 contacts →
	Partial evidence “Leading manufacturer of windows, entrance doors and shutters of the highest quality for more than 45 years.” Source: RevenueBase Database · checked Sep 19, 2026
21	Urania Group Serrall	Partial evidence	Corciano, ItalyHQ checked Sep 19, 2026	51-200	18 contacts →
	Partial evidence “Serrall is an Italian company that has been manufacturing aluminium and PVC door and window fixtures for the construction and prefabricated building markets since 1979.” Source: RevenueBase Database · checked Sep 19, 2026
22	Lamaciste SPA	Indirect evidence	Perugia, ItalyHQ checked Sep 19, 2026	51-200	17 contacts →
	Indirect evidence “Realizzazione di serramenti in pvc e alluminio” Source: RevenueBase Database · checked Sep 19, 2026
23	Fratelli Bosio	Indirect evidence	Torino, ItalyHQ checked Sep 19, 2026	11-50	17 contacts →
	Indirect evidence “Dal 1927, Fratelli Bosio è sinonimo di eccellenza nel mondo dei serramenti.” Source: RevenueBase Database · checked Sep 19, 2026
24	Serramenti Longato SRL	Indirect evidence	Piombino Dese, ItalyHQ checked Sep 19, 2026	51-200	17 contacts →
	Indirect evidence “Da oltre 50 anni la famiglia Longato si è specializzata all’ingegnerizzazione dell’infisso, contribuendo alla sua evoluzione in coerenza con le tendenze del design, nel rispetto…” Source: RevenueBase Database · checked Sep 19, 2026
25	ISI SRL	Indirect evidence	San Martino Di Lupari, ItalyHQ checked Sep 19, 2026	11-50	17 contacts →
	Indirect evidence “L’azienda fu fondata dai fratelli Mario e Maurizio Baggio con il nome di M.B.” 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: custom window builders. 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 custom window builders.
Partial evidence: Its own public description names part of custom window builders, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name custom window builders. 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 964 custom window builders based in Italy

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Custom window builders based in Italy at a glance

As of Sep 19, 2026

15.8%Verified-email coverage

5.4Average contacts per company

11-50Median size (employees)

1.6%Largest-city concentration · Roma

Sep 19, 2026Page data refreshed

Companies by employee count

1-10

439

11-50

422

51-200

201-500

501-1,000

1,001-5,000

5,001-10,000

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 964 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 custom window builders, 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 “custom window builders”. 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 custom window builders), 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 custom window builders, 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, 819 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.

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 custom window builders, 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 custom window builders are there based in Italy?

RevenueBase identified 964 custom window builders 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?

Finstral, headquartered in Bozen, tops this list with the largest team on record.

Which city has the most custom window builders?

Roma leads with 15 headquartered companies, followed by Torino (10) and Palermo (7).

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 819 verified decision-maker contacts tracked across these 964 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.