Company lists · Data refreshed September 2026
Top 25 Polystyrene resin manufacturers worldwide
RevenueBase identified 962 polystyrene resin manufacturers worldwide as of September 2026 and tracks 37,931 professional contacts across them, including 5,507 with verified work emails. Italy is the largest market and Sao Paulo the largest hub.
This list covers polystyrene resin manufacturers worldwide, 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. Country and city lists for polystyrene resin manufacturers follow the table.
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 resin manufacturers worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 9,638 contacts → | ||||
Indirect evidence “With a global vision of the future, oriented toward people and sustainability, Braskem is engaged in contributing to the value chain in order to strengthen the Circular Economy.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 2 | 4,580 contacts → | ||||
Partial evidence “Chevron Phillips Chemical is one of the world’s top chemical manufacturers of olefins and polyolefins and a leading supplier of aromatics, alpha olefins, styrenics, specialty…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 3 | 1,936 contacts → | ||||
Indirect evidence “Founded in 1950, Carpenter Co.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 4 | 1,326 contacts → | ||||
Indirect evidence “Today, the Ravago group represents over metric tons of annual polymer sales serving more than active customers through 350+ locations across more than 60+ countries worldwide.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 5 | 922 contacts → | ||||
Indirect evidence “Time Technoplast Ltd (Time Tech) is a multinational conglomerate with operations in Bahrain, Egypt, Indonesia, India, Malaysia, U.A.E, Taiwan, Thailand, Vietnam, Saudi Arabia &…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 6 | 586 contacts → | ||||
Indirect evidence “Synthos is a chemical company that produces and provides solutions to meet the needs of a wide range of industries.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 7 | 571 contacts → | ||||
Indirect evidence “Somos la empresa líder en la fabricación de productos de Poliestireno Expandido (EPS).” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 8 | 530 contacts → | ||||
Indirect evidence “A Termotécnica é uma das maiores indústrias transformadoras de EPS da América Latina e líder no mercado brasileiro deste segmento.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 9 | 494 contacts → | ||||
Indirect evidence “The Egyptian Ethylene and Derivatives Company (ETHYDCO) is an Egyptian joint stock company established on January, 16th, 2011 under Egyptian investment law with total investment…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 10 | 396 contacts → | ||||
Indirect evidence “At AmSty, we’re driven by a simple purpose: to create essential, sustainable materials that help build safe communities and support healthy living.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 11 | 291 contacts → | ||||
Indirect evidence “Somos un grupo industrial que desarrolla productos innovadores y sustentables.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 12 | 289 contacts → | ||||
Partial evidence “Styropek is leader in the EPS (Expandable Polystyrene) industry in North America.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 13 | 277 contacts → | ||||
Indirect evidence “Kaneka Malaysia Sdn Bhd is an affiliate of the Kaneka Corporation group of companies, headquartered in Osaka and Tokyo, Japan.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 14 | 223 contacts → | ||||
Indirect evidence “Arnon Plastic & Paper Industries Co, Ltd.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 15 | 219 contacts → | ||||
Indirect evidence “From soft drink bottles to packaging trays, from clothing to carpet, INEOS Aromatics makes the chemicals used to produce many of the things we use in our daily lives.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 16 | 218 contacts → | ||||
Indirect evidence “Nan Ya Plastics Corporation, America ("NPCA"), a Delaware-incorporated company and a wholly-owned subsidiary of Nan Ya Plastics Corporation, Taiwan ("NPC-Taiwan"), was founded in…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 17 | 191 contacts → | ||||
Partial evidence “Company specialized in the manufacture and commercialization of chemical products, polyester polyols and polyurethane systems for thermal and acoustic insulation and diverse…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 18 | 171 contacts → | ||||
Partial evidence “Plasti-Fab creates lasting communities by innovating Expanded Polystyrene (EPS) products for construction and civil infrastructure applications.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 19 | 169 contacts → | ||||
Indirect evidence “Based in Pasadena, Texas, Baystar is a people company that produces highly customized enhanced polyethylene for ultimate performance and sustainable solutions across the value…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 20 | 161 contacts → | ||||
Indirect evidence “O Grupo Isofort® é especializado na manufatura do EPS (isopor) Fundado no dia 22 de setembro de 2005, o Grupo Isofort® tem sede na cidade de Ibirité (Grande BH) e dispõe de…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 21 | 158 contacts → | ||||
Indirect evidence “O Grupo Isorecort é uma empresa com mais de 18 anos de atuação que se orgulha por ser destaque entre os maiores transformadores de EPS do Brasil.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 22 | 138 contacts → | ||||
Strong evidence “Pak Petrochemical Industries (Pvt) Ltd is an organization dedicated to being recognized as a highly respected provider of the highest Quality Polystyrene Resin through a…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 23 | 133 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 24 | 130 contacts → | ||||
Indirect evidence “Poliestireno Alfa-GammaMR es una empresa que cuenta con una gran experiencia en la fabricación de productos de poliestireno expandido para distintas aplicaciones.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 25 | 121 contacts → | ||||
Partial evidence “Abriso Jiffy is a leading European manufacturer of protective packaging and insulation materials.” Source: RevenueBase Database · checked Sep 30, 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 resin 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 polystyrene resin manufacturers.
- Partial evidence
- Its own public description names part of polystyrene resin manufacturers, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name polystyrene resin 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 962 polystyrene resin manufacturers worldwide
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Polystyrene resin manufacturers worldwide at a glance
As of Sep 30, 2026Companies by employee count
Email recency is reported on each country list linked below.
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 resin 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.
- Coverage
- Every country. Country and city lists for polystyrene resin manufacturers are linked below.
- What qualifies
- Companies worldwide whose own description of what they do matches “polystyrene resin 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 polystyrene resin 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 polystyrene resin manufacturers, and records with no verified work email.
- 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, 5,507 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.
Polystyrene resin manufacturers by location
5 lists · largest firstEvery Polystyrene resin manufacturers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
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 resin 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 polystyrene resin manufacturers are there worldwide?
RevenueBase identified 962 polystyrene resin manufacturers worldwide 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?
Braskem, headquartered in Sao Paulo, tops this list with the largest team on record.
Which country has the most polystyrene resin manufacturers?
Italy leads with 115 companies, followed by Brazil (100) and the United States (82). Every polystyrene resin manufacturers list by country and city is linked on this page.
Which city has the most polystyrene resin manufacturers?
Sao Paulo leads with 13 headquartered companies, followed by Mumbai (7) and Tehran (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 5,507 verified decision-maker contacts tracked across these 962 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.