Company lists · Data refreshed September 2026
Top 25 Thermoset plastic manufacturers based in the United States
RevenueBase identified 130 company matches for thermoset plastic manufacturers associated with the United States as of September 2026 and tracks 7,366 professional contacts across them, including 3,316 with verified work emails. Yonkers is the largest hub.
This list covers company matches for thermoset plastic manufacturers associated with the United States, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 30, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, 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 thermoset plastic manufacturers based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 1,129 contacts → | ||||
Exact match “Greene Tweed is a leading global manufacturer of high-performance thermoplastics, composites, seals, and engineered components that outperform and outlast in the world’s harshest…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 2 | 686 contacts → | ||||
Exact match “RTP Company, headquartered in Winona, Minn, is a global compounder of custom engineered thermoplastics.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 3 | 553 contacts → | ||||
Exact match “Based in Atlanta, Georgia, Bakelite is a leading global integrated producer of thermoset specialty resins, solutions and engineered thermoset molding compounds serving a variety…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 4 | 492 contacts → | ||||
Exact match “Royal Technologies is an advanced engineering and manufacturing company serving industries as diverse as automotive, furniture, and consumer products.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 5 | 441 contacts → | ||||
Exact match “Core Molding Technologies is a leading engineered materials company specializing in molded structural products, principally in building products, utilities, transportation and…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 6 | 398 contacts → | ||||
Exact match “At Unifrax, we provide innovative solutions to our customers' application problems across several different industries.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 7 | 388 contacts → | ||||
Exact match “Geon® Performance Solutions unlocks the power of polymers for the future.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 8 | 221 contacts → | ||||
Exact match “Join the team!” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 9 | 208 contacts → | ||||
Exact match “NUTEC is a leading manufacturer of superior quality, high-temperature insulation and fire protection products.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 10 | 172 contacts → | ||||
Exact match “SACO AEI Polymers is a Customer-Driven manufacturer providing Premium Value and Innovative Polymer Solutions in North America.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 11 | 168 contacts → | ||||
Exact match “SEKISUI KYDEX innovates and creates sustainable thermoplastic material solutions for the next generation of product design.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 12 | 157 contacts → | ||||
Exact match “At IDI Composites International, we’re about Thermoset Composite Materials and Ideas.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 13 | 142 contacts → | ||||
Exact match “At Ensinger's facilites in North America, we focus on processing high performance engineering polymers in several manufacturing facilities in New Jersey, Delaware, Texas…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 14 | 141 contacts → | ||||
Exact match “JM is the leading manufacturer of thermal insulation solutions for high and low-temperature industrial applications.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 15 | 112 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 16 | 87 contacts → | ||||
Exact match “Epsilyte is one of North America’s leading producers of advanced insulative materials.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 17 | 85 contacts → | ||||
Exact match “PLENCO is a materials company advancing the systems that power industry.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 18 | 66 contacts → | ||||
Exact match “Spaulding Composites is a global supplier of specialty composite materials and value added fabricated products.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 19 | 65 contacts → | ||||
Exact match “Westlake Plastics Company is a world leading manufacturer in extrusion and compression molding technologies of high performance thermoplastics.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 20 | 63 contacts → | ||||
Exact match “Life Critical.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 21 | 63 contacts → | ||||
Exact match “We produce high performance thermoplastic sheet materials for aircraft interior, rail and mass transit and industrial components.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 22 | 55 contacts → | ||||
Exact match “US Liner Company is a leading manufacturer of advanced thermoplastic composite solutions for a broad range of applications in new and diverse markets.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 23 | 51 contacts → | ||||
Exact match “Haysite Reinforced Plastics, located in Erie, PA, is among the worldwide leaders in the formulation and processing of thermoset composite materials.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 24 | 49 contacts → | ||||
Exact match “Plastics Unlimited was established in 1993 by Terry and Nancy Kieffer.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 25 | 49 contacts → | ||||
Exact match “Tri-Mack is an engineering-driven manufacturer of high performance parts for critical applications in the Aerospace, Defense, Medical and Industrial markets.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “thermoset plastic manufacturers”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 130 thermoset plastic manufacturers based in the United States
See the full list, filter by size, metro and specialty, and access 3,316 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Thermoset plastic manufacturers based in the United States at a glance
As of Sep 30, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 130 companies.
How this list was built
The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
- What qualifies
- Company records associated with the United States whose business descriptions match “thermoset plastic manufacturers” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
- RevenueBase SmartSearch
- Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
- Public preview
- The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
- Match quality
- RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
- 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 displayed company carries at least one verified work email. RevenueBase tracks 3,316 professional contacts with verified work emails across the full matched dataset. 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.
- Record context
- Company records and descriptions can change. Check the company's website for its current services and locations.
Frequently asked
What is RevenueBase SmartSearch?
RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “thermoset plastic manufacturers”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many thermoset plastic manufacturers are there based in the United States?
RevenueBase identified 130 company matches for thermoset plastic manufacturers associated with the United States as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
Greene Tweed tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most thermoset plastic manufacturers?
Yonkers leads with 3 company records, followed by Addison (2) and Charlotte (2).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 3,316 professional contacts with verified work emails tracked across these 130 companies; direct dials are available where recorded.
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.
Ready to reach these companies? Verified emails and direct dials for all 130 thermoset plastic manufacturers based in the United States. Start with a free account, no credit card.
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Thermoset plastic manufacturers by geography
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 SmartSearch, 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.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Thermoset plastic manufacturers based in Brazil
- Thermoset plastic manufacturers based in France
- Thermoset plastic manufacturers based in Germany
- Thermoset plastic manufacturers based in India
- Thermoset plastic manufacturers based in Italy
- Thermoset plastic manufacturers based in the United Kingdom
Company intelligence · public preview
Top 25 thermoset plastic manufacturers based in the United States
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 130 matching company records for thermoset plastic manufacturers based in the United States, with 7,366 tracked contacts and 3,316 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 30, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 thermoset plastic manufacturers based in the United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Greene Tweedgtweed.com HQ: Lansdale, PA, United StatesReported employees: 1,001-5,000 | Lansdale, PA, United States | 1,001-5,000 | Exact match | 1,129 contacts → |
“Greene Tweed is a leading global manufacturer of high-performance thermoplastics, composites, seals, and engineered components that outperform and outlast in the world’s harshest…” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | RTP Companyrtpcompany.com HQ: Winona, MN, United StatesReported employees: 1,001-5,000 | Winona, MN, United States | 1,001-5,000 | Exact match | 686 contacts → |
“RTP Company, headquartered in Winona, Minn, is a global compounder of custom engineered thermoplastics.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Bakelitebakelite.comHQ: Atlanta, GA, United StatesReported employees: 1,001-5,000 | Atlanta, GA, United States | 1,001-5,000 | Exact match | 553 contacts → |
“Based in Atlanta, Georgia, Bakelite is a leading global integrated producer of thermoset specialty resins, solutions and engineered thermoset molding compounds serving a variety…” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Royal Technologies Corproyaltechnologies.com HQ: Hudsonville, MI, United StatesReported employees: 1,001-5,000 | Hudsonville, MI, United States | 1,001-5,000 | Exact match | 492 contacts → |
“Royal Technologies is an advanced engineering and manufacturing company serving industries as diverse as automotive, furniture, and consumer products.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Core Molding Technologiescoremt.comHQ: Columbus, OH, United StatesReported employees: 1,001-5,000 | Columbus, OH, United States | 1,001-5,000 | Exact match | 441 contacts → |
“Core Molding Technologies is a leading engineered materials company specializing in molded structural products, principally in building products, utilities, transportation and…” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Unifraxunifrax.com HQ: Tonawanda, NY, United StatesReported employees: 1,001-5,000 | Tonawanda, NY, United States | 1,001-5,000 | Exact match | 398 contacts → |
“At Unifrax, we provide innovative solutions to our customers' application problems across several different industries.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Geon Performance Solutionsgeon.comHQ: Westlake, OH, United StatesReported employees: 1,001-5,000 | Westlake, OH, United States | 1,001-5,000 | Exact match | 388 contacts → |
“Geon® Performance Solutions unlocks the power of polymers for the future.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Roechling Industrial North Americaroechling.comHQ: Dallas, NC, United StatesReported employees: 501-1,000 | Dallas, NC, United States | 501-1,000 | Exact match | 221 contacts → |
“Join the team!” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | NUTECnutec.com HQ: Huntersville, NC, United StatesReported employees: 201-500 | Huntersville, NC, United States | 201-500 | Exact match | 208 contacts → |
“NUTEC is a leading manufacturer of superior quality, high-temperature insulation and fire protection products.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Saco AEI Polymerssacoaei.com HQ: Sheboygan, WI, United StatesReported employees: 501-1,000 | Sheboygan, WI, United States | 501-1,000 | Exact match | 172 contacts → |
“SACO AEI Polymers is a Customer-Driven manufacturer providing Premium Value and Innovative Polymer Solutions in North America.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Sekisui Kydexkydex.comHQ: Bloomsburg, PA, United StatesReported employees: 201-500 | Bloomsburg, PA, United States | 201-500 | Exact match | 168 contacts → |
“SEKISUI KYDEX innovates and creates sustainable thermoplastic material solutions for the next generation of product design.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  IDI Composites Internationalidicomposites.comHQ: Noblesville, IN, United StatesReported employees: 201-500 | Noblesville, IN, United States | 201-500 | Exact match | 157 contacts → |
“At IDI Composites International, we’re about Thermoset Composite Materials and Ideas.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Ensinger INCensingerplastics.comHQ: Washington, PA, United StatesReported employees: 1,001-5,000 | Washington, PA, United States | 1,001-5,000 | Exact match | 142 contacts → |
“At Ensinger's facilites in North America, we focus on processing high performance engineering polymers in several manufacturing facilities in New Jersey, Delaware, Texas…” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | HQ: Denver, CO, United StatesReported employees: 201-500 | Denver, CO, United States | 201-500 | Exact match | 141 contacts → |
“JM is the leading manufacturer of thermal insulation solutions for high and low-temperature industrial applications.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  All-State Industries, INCall-stateind.comHQ: West Des Moines, IA, United StatesReported employees: 201-500 | West Des Moines, IA, United States | 201-500 | Exact match | 112 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 16 |  Epsilyteepsilyte.comHQ: The Woodlands, TX, United StatesReported employees: 201-500 | The Woodlands, TX, United States | 201-500 | Exact match | 87 contacts → |
“Epsilyte is one of North America’s leading producers of advanced insulative materials.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Plastics Engineering Company Plencoplenco.com HQ: Sheboygan, WI, United StatesReported employees: 201-500 | Sheboygan, WI, United States | 201-500 | Exact match | 85 contacts → |
“PLENCO is a materials company advancing the systems that power industry.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Spaulding Composites INCspauldingcom.com HQ: Rochester, NH, United StatesReported employees: 51-200 | Rochester, NH, United States | 51-200 | Exact match | 66 contacts → |
“Spaulding Composites is a global supplier of specialty composite materials and value added fabricated products.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Westlake Plasticswestlakeplastics.com HQ: Lenni, PA, United StatesReported employees: 51-200 | Lenni, PA, United States | 51-200 | Exact match | 65 contacts → |
“Westlake Plastics Company is a world leading manufacturer in extrusion and compression molding technologies of high performance thermoplastics.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Norplex-Micartanorplex-micarta.com HQ: Postville, IA, United StatesReported employees: 51-200 | Postville, IA, United States | 51-200 | Exact match | 63 contacts → |
“Life Critical.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Simona Boltaronboltaron.com HQ: Newcomerstown, OH, United StatesReported employees: 51-200 | Newcomerstown, OH, United States | 51-200 | Exact match | 63 contacts → |
“We produce high performance thermoplastic sheet materials for aircraft interior, rail and mass transit and industrial components.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | US Liner LLCuslco.com HQ: Cranberry Twp, PA, United StatesReported employees: 51-200 | Cranberry Twp, PA, United States | 51-200 | Exact match | 55 contacts → |
“US Liner Company is a leading manufacturer of advanced thermoplastic composite solutions for a broad range of applications in new and diverse markets.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Haysite Reinforced Plastics LTDhaysite.com HQ: Erie, PA, United StatesReported employees: 51-200 | Erie, PA, United States | 51-200 | Exact match | 51 contacts → |
“Haysite Reinforced Plastics, located in Erie, PA, is among the worldwide leaders in the formulation and processing of thermoset composite materials.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Plastics Unlimitedplasticsunlimited.com HQ: Preston, IA, United StatesReported employees: 51-200 | Preston, IA, United States | 51-200 | Exact match | 49 contacts → |
“Plastics Unlimited was established in 1993 by Terry and Nancy Kieffer.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Tri-Mack Plastics Manufacturingtrimack.comHQ: Bristol, RI, United StatesReported employees: 51-200 | Bristol, RI, United States | 51-200 | Exact match | 49 contacts → |
“Tri-Mack is an engineering-driven manufacturer of high performance parts for critical applications in the Aerospace, Defense, Medical and Industrial markets.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 130 company matches
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Thermoset plastic manufacturers: dataset insights
September 30, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
130 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 130 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 30, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for thermoset plastic manufacturers?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many thermoset plastic manufacturers did RevenueBase find based in the United States?
The saved snapshot records 130 matching company records, 7,366 tracked contacts and 3,316 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 30, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Thermoset plastic manufacturers by geography
Cite this list
RevenueBase Data Team. Top 25 thermoset plastic manufacturers based in the United States. Snapshot: September 30, 2026. https://revenuebase.ai/companies/thermoset-plastic-manufacturers/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Thermoset plastic manufacturers based in Brazil
- Thermoset plastic manufacturers based in France
- Thermoset plastic manufacturers based in Germany
- Thermoset plastic manufacturers based in India
- Thermoset plastic manufacturers based in Italy
- Thermoset plastic manufacturers based in the United Kingdom
Company intelligence · public preview
Top 25 thermoset plastic manufacturers based in the United States
RevenueBase records 130 matching company records for thermoset plastic manufacturers based in the United States, with 7,366 tracked contacts and 3,316 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 30, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 thermoset plastic manufacturers based in the United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Greene Tweedgtweed.com HQ: Lansdale, PA, United StatesReported employees: 1,001-5,000 | Lansdale, PA, United States | 1,001-5,000 | Exact match | 1,129 contacts → |
“Greene Tweed is a leading global manufacturer of high-performance thermoplastics, composites, seals, and engineered components that outperform and outlast in the world’s harshest…” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | RTP Companyrtpcompany.com HQ: Winona, MN, United StatesReported employees: 1,001-5,000 | Winona, MN, United States | 1,001-5,000 | Exact match | 686 contacts → |
“RTP Company, headquartered in Winona, Minn, is a global compounder of custom engineered thermoplastics.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Bakelitebakelite.com HQ: Atlanta, GA, United StatesReported employees: 1,001-5,000 | Atlanta, GA, United States | 1,001-5,000 | Exact match | 553 contacts → |
“Based in Atlanta, Georgia, Bakelite is a leading global integrated producer of thermoset specialty resins, solutions and engineered thermoset molding compounds serving a variety…” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Royal Technologies Corproyaltechnologies.com HQ: Hudsonville, MI, United StatesReported employees: 1,001-5,000 | Hudsonville, MI, United States | 1,001-5,000 | Exact match | 492 contacts → |
“Royal Technologies is an advanced engineering and manufacturing company serving industries as diverse as automotive, furniture, and consumer products.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Core Molding Technologiescoremt.com HQ: Columbus, OH, United StatesReported employees: 1,001-5,000 | Columbus, OH, United States | 1,001-5,000 | Exact match | 441 contacts → |
“Core Molding Technologies is a leading engineered materials company specializing in molded structural products, principally in building products, utilities, transportation and…” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Unifraxunifrax.com HQ: Tonawanda, NY, United StatesReported employees: 1,001-5,000 | Tonawanda, NY, United States | 1,001-5,000 | Exact match | 398 contacts → |
“At Unifrax, we provide innovative solutions to our customers' application problems across several different industries.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Geon Performance Solutionsgeon.com HQ: Westlake, OH, United StatesReported employees: 1,001-5,000 | Westlake, OH, United States | 1,001-5,000 | Exact match | 388 contacts → |
“Geon® Performance Solutions unlocks the power of polymers for the future.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Roechling Industrial North Americaroechling.com HQ: Dallas, NC, United StatesReported employees: 501-1,000 | Dallas, NC, United States | 501-1,000 | Exact match | 221 contacts → |
“Join the team!” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | NUTECnutec.com HQ: Huntersville, NC, United StatesReported employees: 201-500 | Huntersville, NC, United States | 201-500 | Exact match | 208 contacts → |
“NUTEC is a leading manufacturer of superior quality, high-temperature insulation and fire protection products.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Saco AEI Polymerssacoaei.com HQ: Sheboygan, WI, United StatesReported employees: 501-1,000 | Sheboygan, WI, United States | 501-1,000 | Exact match | 172 contacts → |
“SACO AEI Polymers is a Customer-Driven manufacturer providing Premium Value and Innovative Polymer Solutions in North America.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Sekisui Kydexkydex.com HQ: Bloomsburg, PA, United StatesReported employees: 201-500 | Bloomsburg, PA, United States | 201-500 | Exact match | 168 contacts → |
“SEKISUI KYDEX innovates and creates sustainable thermoplastic material solutions for the next generation of product design.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | IDI Composites Internationalidicomposites.com HQ: Noblesville, IN, United StatesReported employees: 201-500 | Noblesville, IN, United States | 201-500 | Exact match | 157 contacts → |
“At IDI Composites International, we’re about Thermoset Composite Materials and Ideas.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Ensinger INCensingerplastics.com HQ: Washington, PA, United StatesReported employees: 1,001-5,000 | Washington, PA, United States | 1,001-5,000 | Exact match | 142 contacts → |
“At Ensinger's facilites in North America, we focus on processing high performance engineering polymers in several manufacturing facilities in New Jersey, Delaware, Texas…” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | HQ: Denver, CO, United StatesReported employees: 201-500 | Denver, CO, United States | 201-500 | Exact match | 141 contacts → |
“JM is the leading manufacturer of thermal insulation solutions for high and low-temperature industrial applications.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | All-State Industries, INCall-stateind.com HQ: West Des Moines, IA, United StatesReported employees: 201-500 | West Des Moines, IA, United States | 201-500 | Exact match | 112 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 16 | Epsilyteepsilyte.com HQ: The Woodlands, TX, United StatesReported employees: 201-500 | The Woodlands, TX, United States | 201-500 | Exact match | 87 contacts → |
“Epsilyte is one of North America’s leading producers of advanced insulative materials.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Plastics Engineering Company Plencoplenco.com HQ: Sheboygan, WI, United StatesReported employees: 201-500 | Sheboygan, WI, United States | 201-500 | Exact match | 85 contacts → |
“PLENCO is a materials company advancing the systems that power industry.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Spaulding Composites INCspauldingcom.com HQ: Rochester, NH, United StatesReported employees: 51-200 | Rochester, NH, United States | 51-200 | Exact match | 66 contacts → |
“Spaulding Composites is a global supplier of specialty composite materials and value added fabricated products.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Westlake Plasticswestlakeplastics.com HQ: Lenni, PA, United StatesReported employees: 51-200 | Lenni, PA, United States | 51-200 | Exact match | 65 contacts → |
“Westlake Plastics Company is a world leading manufacturer in extrusion and compression molding technologies of high performance thermoplastics.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Norplex-Micartanorplex-micarta.com HQ: Postville, IA, United StatesReported employees: 51-200 | Postville, IA, United States | 51-200 | Exact match | 63 contacts → |
“Life Critical.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Simona Boltaronboltaron.com HQ: Newcomerstown, OH, United StatesReported employees: 51-200 | Newcomerstown, OH, United States | 51-200 | Exact match | 63 contacts → |
“We produce high performance thermoplastic sheet materials for aircraft interior, rail and mass transit and industrial components.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | US Liner LLCuslco.com HQ: Cranberry Twp, PA, United StatesReported employees: 51-200 | Cranberry Twp, PA, United States | 51-200 | Exact match | 55 contacts → |
“US Liner Company is a leading manufacturer of advanced thermoplastic composite solutions for a broad range of applications in new and diverse markets.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Haysite Reinforced Plastics LTDhaysite.com HQ: Erie, PA, United StatesReported employees: 51-200 | Erie, PA, United States | 51-200 | Exact match | 51 contacts → |
“Haysite Reinforced Plastics, located in Erie, PA, is among the worldwide leaders in the formulation and processing of thermoset composite materials.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Plastics Unlimitedplasticsunlimited.com HQ: Preston, IA, United StatesReported employees: 51-200 | Preston, IA, United States | 51-200 | Exact match | 49 contacts → |
“Plastics Unlimited was established in 1993 by Terry and Nancy Kieffer.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Tri-Mack Plastics Manufacturingtrimack.com HQ: Bristol, RI, United StatesReported employees: 51-200 | Bristol, RI, United States | 51-200 | Exact match | 49 contacts → |
“Tri-Mack is an engineering-driven manufacturer of high performance parts for critical applications in the Aerospace, Defense, Medical and Industrial markets.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 130 company matches
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Thermoset plastic manufacturers: dataset insights
September 30, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
130 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 130 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 30, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for thermoset plastic manufacturers?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many thermoset plastic manufacturers did RevenueBase find based in the United States?
The saved snapshot records 130 matching company records, 7,366 tracked contacts and 3,316 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 30, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Thermoset plastic manufacturers by geography
Cite this list
RevenueBase Data Team. Top 25 thermoset plastic manufacturers based in the United States. Snapshot: September 30, 2026. https://revenuebase.ai/companies/thermoset-plastic-manufacturers/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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