Company lists · Data refreshed September 2026
Top 25 Polystyrene producers based in Italy
RevenueBase identified 229 polystyrene producers headquartered in Italy as of September 2026 and tracks 1,866 professional contacts across them, including 474 with verified work emails. Trevi is the largest hub.
This list covers polystyrene producers 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 polystyrene producers based in Italy
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 274 contacts → | ||||
Indirect evidence “Sirmax Group is a leading international supplier of plastic compounds and resins, ranked 1st among the independent PP compounders in Europe.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 2 | 92 contacts → | ||||
Indirect evidence “Da circa 60 anni il Gruppo Poron è leader italiano della progettazione, produzione e commercializzazione di manufatti in polistirene espanso sinterizzato per l’imballaggio e per…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 3 | 51 contacts → | ||||
Indirect evidence “Da oltre 30 anni è la società di riferimento nella produzione di sistemi per l'isolamento termoacustico in EPS, un materiale composto dal 98% d’aria, 100% riciclabile e in grado…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 4 | 44 contacts → | ||||
Indirect evidence “With nearly forty years of experience, Ediltec Insulation S.p.A.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 5 | 41 contacts → | ||||
Indirect evidence “TERMOLAN è un'azienda di riferimento in Italia nella produzione e commercializzazione di prodotti isolanti adatti a tutte le necessità nel campo dell'isolamento termico e acustico…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 6 | 39 contacts → | ||||
Indirect evidence “Siamo tra le principali aziende a livello europeo specializzate nella produzione di compound di materiale polipropilenico rigenerato.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 7 | 37 contacts → | ||||
Indirect evidence “Innepla S.r.l, formerly known as Imballaggi Protettivi, is an Italian company specializing in polypropylene processing since 1994, currently holding a prominent position as the…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 8 | 37 contacts → | ||||
Indirect evidence “Luigi Poli was a real pioneer in Italy when, during the 80′s, he specialized in design and production of machines and plants for the extrusion and transformation of foamed…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 9 | 33 contacts → | ||||
Indirect evidence “RIALTI is an Italian company focusing for more than thirty years in the production of Polypropylene Compounds.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 10 | 32 contacts → | ||||
Indirect evidence “Trocellen Italia Spa è una azienda di proprietà della giapponese Furukawa Electric Co.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 11 | 25 contacts → | ||||
Indirect evidence “ISOFOM nasce a Pesaro nel 1984 come produttore e trasformatore di materiali isolanti estrusi in polietilene espanso e poliuretano, realizzati per il settore della termoidraulica…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 12 | 25 contacts → | ||||
Indirect evidence “Alessiohitech’s role of leading Italian company in the field of machinery manufacturing and technology development for EPS, EPP, ETPU molding (and more), is the result of precise…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 13 | 25 contacts → | ||||
Indirect evidence “A.B.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 14 | 24 contacts → | ||||
Indirect evidence “Azienda chimica specializzata nella produzione e distribuzione di polietilene ad alta densità (HDPE) per l'industria di trasformazione” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 15 | 24 contacts → | ||||
Indirect evidence “E’ fantasia, intuizione, colpo d’occhio e velocità d’esecuzione”.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 16 | 23 contacts → | ||||
Indirect evidence “Industria materie plastiche e sintetiche in genere, in particolare di corpi cellulari espansi leggeri e resistenti a base di resine sintetiche” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 17 | 19 contacts → | ||||
Indirect evidence “Isolconfort è un’azienda italiana leader nella produzione e distribuzione di blocchi e articoli in polistirolo, sia tagliati che stampati.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 18 | 19 contacts → | ||||
Indirect evidence “On 2022 Laborplast celebrates 64 years of activity.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 19 | 18 contacts → | ||||
Indirect evidence “Nata nel 1957 su iniziativa di sei soci fondatori, l'azienda si è subito distinta sul territorio specializzandosi in un campo produttivo, quello delle materie plastiche per…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 20 | 16 contacts → | ||||
Indirect evidence “Iltar Italbox: un leader di mercato.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 21 | 15 contacts → | ||||
Indirect evidence “Proxital viene costituita nel maggio 1998 con attività la produzione di plastiche espanse a celle chiuse riciclabili e rigenerabili per utilizzo industriale nel mercato nazionale…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 22 | 14 contacts → | ||||
Indirect evidence “Founded in 1997, but with a wealth of twenty years’ experience, SIR SPA today operates in a new area of square meters having fully equipped facilities with advanced production…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 23 | 13 contacts → | ||||
Indirect evidence “In data 01/01/2015 inizio attivita di produzione di materie plastiche, carta, affini ed imballaggi vari.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 24 | 13 contacts → | ||||
Indirect evidence “Garda Plast S.p.A.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 25 | 12 contacts → | ||||
Indirect evidence “Produzione di isolamenti in polietilene espanso e tubazioni in rame/multistrato preisolate.” 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: polystyrene producers. 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 polystyrene producers.
- Partial evidence
- Its own public description names part of polystyrene producers, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name polystyrene producers. 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 229 polystyrene producers based in Italy
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Polystyrene producers 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 229 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 polystyrene producers, 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 “polystyrene producers”. 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 polystyrene producers), 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 polystyrene producers, 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, 474 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 polystyrene producers, 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 polystyrene producers are there based in Italy?
RevenueBase identified 229 polystyrene producers 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?
Sirmax, headquartered in Cittadella, tops this list with the largest team on record.
Which city has the most polystyrene producers?
Trevi leads with 4 headquartered companies, followed by Battipaglia (3) and Capannori (3).
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 474 verified decision-maker contacts tracked across these 229 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.