Company lists · Data refreshed September 2026

Top 25 Gasket manufacturers based in Italy

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

Compiled by the RevenueBase Data Team Data refreshed Sep 30, 2026 179 companies tracked

RevenueBase identified 179 gasket manufacturers headquartered in Italy as of September 2026 and tracks 1,788 professional contacts across them, including 500 with verified work emails. Castelli Calepio is the largest hub.

This list covers gasket manufacturers 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 30, 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 30, 2026 86% judged on-target in blind review

179Companies

1,788Contacts tracked

500Verified emails

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The 25 largest gasket manufacturers based in Italy

Ranked by team size

Top 25 of 179 gasket manufacturers based in Italy, ranked by team size, largest first. Data refreshed Sep 30, 2026. RevenueBase Smart Search rates how each company's information relates to gasket manufacturers: 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	Asso Werke S.P.A. A Socio Unico	Partial evidence	Fornacette, ItalyHQ checked Sep 30, 2026	201-500	75 contacts →
	Partial evidence “Asso Werke is a full liner manufacturer of thermal engine components since 1949: pistons, cylinders and liners, rings, gudgeon pins and engine blocks.” Source: RevenueBase Database · checked Sep 30, 2026
2	ATP Innovative Sealing Solutions	Indirect evidence	Modena, ItalyHQ checked Sep 30, 2026	51-200	66 contacts →
	Indirect evidence “For over 40 years, ATP has been committed to researching customised solutions for sealing and plastic processing systems that offer cutting-edge, totally customisable products.” Source: RevenueBase Database · checked Sep 30, 2026
3	Carrara SPA	Partial evidence	Adro, ItalyHQ checked Sep 30, 2026	51-200	60 contacts →
	Partial evidence “We are a global manufacturer of high-performance sealing components, engineered for the oil & gas, petrochemical, and industrial valve sectors.” Source: RevenueBase Database · checked Sep 30, 2026
4	Lopigom SPA	Indirect evidence	Credaro, ItalyHQ checked Sep 30, 2026	51-200	52 contacts →
	Indirect evidence “Since 1979, Lopigom has been the technical-industrial partner for companies seeking reliable, certified rubber, plastic and two-component parts designed to last.” Source: RevenueBase Database · checked Sep 30, 2026
5	Novotema	Strong evidence	Villongo, ItalyHQ checked Sep 30, 2026	51-200	49 contacts →
	Strong evidence “At Novotema we manufacture fully customized elastomeric sealing solutions: we assist the customer throughout the whole process, from the co-design of the gasket to the…” Source: RevenueBase Database · checked Sep 30, 2026
6	Unigasket SRL	Partial evidence	Villongo, ItalyHQ checked Sep 30, 2026	201-500	41 contacts →
	Partial evidence “We are leading manufacturer of PTFE hoses with over 30 years of experience.” Source: RevenueBase Database · checked Sep 30, 2026
7	Euroguarco S.P.A	Partial evidence	Arcola, ItalyHQ checked Sep 30, 2026	51-200	40 contacts →
	Partial evidence “Since 1958 in the market, leader in gasket materials and able to Supply Package for Oil & Gas, Chemical & Petrochemical fields.” Source: RevenueBase Database · checked Sep 30, 2026
8	Fluiten	Indirect evidence	Pero, ItalyHQ checked Sep 30, 2026	51-200	39 contacts →
	Indirect evidence “Fluiten: Innovation and Reliability in Mechanical Seals Since 1962, Fluiten has been a symbol of excellence and innovation in the mechanical seal industry for rotating shafts.” Source: RevenueBase Database · checked Sep 30, 2026
9	AS Aston Seals	Indirect evidence	Carpi, ItalyHQ checked Sep 30, 2026	51-200	33 contacts →
	Indirect evidence “AS ASTON SEALS is a leading for designing, production and distribution of hydraulic and pneumatic seals, as well as wipers, guide rings and other custom parts.” Source: RevenueBase Database · checked Sep 30, 2026
10	World Gasket Ellegi	Partial evidence	Grumello Del Monte, ItalyHQ checked Sep 30, 2026	51-200	31 contacts →
	Partial evidence “The number 1 choice for industrial gaskets: experts in the processing of rubber for the production of technical items and industrial gaskets since 1977.” Source: RevenueBase Database · checked Sep 30, 2026
11	Seval Group	Strong evidence	Villongo, ItalyHQ checked Sep 30, 2026	51-200	28 contacts →
	Strong evidence “SEVAL: Your Trusted Partner for High-Performance Seals and Gaskets (Since 1973) For over 50 years, SEVAL has been a leading Italian manufacturer of innovative sealing solutions.” Source: RevenueBase Database · checked Sep 30, 2026
12	Spesso Gaskets	Partial evidence	Turin, ItalyHQ checked Sep 30, 2026	51-200	27 contacts →
	Partial evidence “Since 1926 we have been committed to manufacturing top quality flat gaskets and gasket sets for both original equipment and aftermarket.” Source: RevenueBase Database · checked Sep 30, 2026
13	Siliconiton	Partial evidence	Adrara San Martino, ItalyHQ checked Sep 30, 2026	51-200	23 contacts →
	Partial evidence “Since its foundation, in 1979, SILICONITON is synonymous of great professionalism and experience in the manufacturing of gaskets in all rubbers, mainly in FKM, FVMQ, and HNBR…” Source: RevenueBase Database · checked Sep 30, 2026
14	Argo DI T.M. Fumagalli S.R.L	Indirect evidence	Baranzate Di Bollate (mi), ItalyHQ checked Sep 30, 2026	11-50	21 contacts →
	Indirect evidence “ARGO di T.M.” Source: RevenueBase Database · checked Sep 30, 2026
15	Fornitek - S.R.L	Indirect evidence	San Giorgio Di Piano, ItalyHQ checked Sep 30, 2026	11-50	20 contacts →
	Indirect evidence “Dal produzione, stampaggio, adesivizzazione, fustellatura, inserimento sigillante e taglio di guarnizioni, cornici e profili in gomma monocomponente, bicomponente e tricomponente” Source: RevenueBase Database · checked Sep 30, 2026
16	Vito Rimoldi SPA	Indirect evidence	Legnano, ItalyHQ checked Sep 30, 2026	11-50	19 contacts →
	Indirect evidence “Vito Rimoldi S.p.A.” Source: RevenueBase Database · checked Sep 30, 2026
17	Rora SRL	Indirect evidence	Castelli Calepio, ItalyHQ checked Sep 30, 2026	11-50	18 contacts →
	Indirect evidence “For over 25 years, we have been designing and manufacturing custom technical rubber seals for multiple industries: automotive, medical, aerospace, hydrogen, thermal, and aesthetic…” Source: RevenueBase Database · checked Sep 30, 2026
18	Cofi SRL	Indirect evidence	Santa Margherita Ligure, ItalyHQ checked Sep 30, 2026	11-50	18 contacts →
	Indirect evidence “Design and manufacturing of Expansion joints and special components for naval, military and industrial application.” Source: RevenueBase Database · checked Sep 30, 2026
19	Torri Guarnizioni Industriali S.R.L	Partial evidence	Capriolo, ItalyHQ checked Sep 30, 2026	11-50	16 contacts →
	Partial evidence “Founded in 1973 by Severino Torri, Torri Industrial Gaskets occupied at the beginning a small shed of 300 square meters, with a single injection molding machine.” Source: RevenueBase Database · checked Sep 30, 2026
20	Gasket International	Partial evidence	Castelli Calepio, ItalyHQ checked Sep 30, 2026	51-200	15 contacts →
	Partial evidence “Part of the Hutchinson Group (subsidiary of TOTAL) since 2013, Gasket International has a unique expertise in sealing systems for industrial valves, engineering and manufacturing…” Source: RevenueBase Database · checked Sep 30, 2026
21	Gom-Fer SRL	Indirect evidence	Adrara San Martino, ItalyHQ checked Sep 30, 2026	51-200	15 contacts →
	Indirect evidence “Gom-Fer S.r.l, established in 1984, specialises in manufacturing o-rings, washers and technical rubber articles with or without metal inserts.” Source: RevenueBase Database · checked Sep 30, 2026
22	Unigomma SRL	Partial evidence	Villongo, ItalyHQ checked Sep 30, 2026	51-200	13 contacts →
	Partial evidence “UNIGOMMA is a company specialized in the rubber working that, since more than 25 years, has been manufacturing customized rubber products, o-rings and industrial gaskets for…” Source: RevenueBase Database · checked Sep 30, 2026
23	Artema S.R.L	Partial evidence	Olmo Di Martellago, ItalyHQ checked Sep 30, 2026	11-50	12 contacts →
	Partial evidence “ARTEMA, since 1988, produces industrial gaskets, packings, flange & valve guards and supplies them to a wide range of customers.” Source: RevenueBase Database · checked Sep 30, 2026
24	Tespe SRL - Italy	Partial evidence	Chiuduno, ItalyHQ checked Sep 30, 2026	11-50	11 contacts →
	Partial evidence “Technical Textiles for thermal insulation and industrial gaskets for high temperatures: Glass Fibre, Ceramic Fibre, Silica, Aramidic, Ropes, Braids, Packings, Sleeves, Tapes…” Source: RevenueBase Database · checked Sep 30, 2026
25	OCS SRL	Indirect evidence	Adrara San Martino, ItalyHQ checked Sep 30, 2026	11-50	11 contacts →
	Indirect evidence “Dal 1974 ci occupiamo di produzione stampi di precisione per gomma ed elastomeri, O-ring di silicone, guarnizioni, cornici e rondelle utilizzate da industrie come l'automotive…” Source: RevenueBase Database · checked Sep 30, 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: gasket manufacturers. 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 gasket manufacturers.
Partial evidence: Its own public description names part of gasket manufacturers, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name gasket manufacturers. 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 179 gasket manufacturers based in Italy

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Gasket manufacturers based in Italy at a glance

As of Sep 30, 2026

28.0%Verified-email coverage

10.0Average contacts per company

11-50Median size (employees)

6.1%Largest-city concentration · Castelli Calepio

Sep 30, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

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 179 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 gasket manufacturers, 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 “gasket manufacturers”. 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 gasket manufacturers), 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 gasket manufacturers, 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, 500 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 30, 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 gasket manufacturers, 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 gasket manufacturers are there based in Italy?

RevenueBase identified 179 gasket manufacturers 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?

Asso Werke S.P.A. A Socio Unico, headquartered in Fornacette, tops this list with the largest team on record.

Which city has the most gasket manufacturers?

Castelli Calepio leads with 11 headquartered companies, followed by Villongo (9) and Adrara San Martino (6).

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 500 verified decision-maker contacts tracked across these 179 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 30, 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.