Company lists · Data refreshed November 2026

Top 25 Thermoset compression inserted molding assembly suppliers based in the United States

RevenueBase identified 292 company matches for thermoset compression inserted molding assembly suppliers associated with the United States as of November 2026 and tracks 7,287 professional contacts across them, including 1,606 with verified work emails. Elgin is the largest hub.

This list covers company matches for thermoset compression inserted molding assembly suppliers 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 November 2, 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Nov 2, 2026 How this list was built
292Companies
7,287Contacts tracked
1,606Verified emails
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The 25 largest thermoset compression inserted molding assembly suppliers based in the United States

Ranked by team size
Top 25 of 292 company matches for thermoset compression inserted molding assembly suppliers based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 2, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchChagrin Falls, OH, United StatesHQ recorded Nov 2, 2026201-500235 contacts →

Exact match

“THERMOSET COMPOSITES.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
2Exact matchValencia, United StatesHQ recorded Nov 2, 2026n/a186 contacts →

Exact match

“Custom molded rubber products.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
3Exact matchNoblesville, IN, United StatesHQ recorded Nov 2, 2026201-500160 contacts →

Exact match

“At IDI Composites International, we’re about Thermoset Composite Materials and Ideas.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
4Exact matchHopkins, MN, United StatesHQ recorded Nov 2, 2026501-1,000144 contacts →

Exact match

“Since 1949, Thermotech has been a strategic custom injection molder of thermoplastic components specializing in tight tolerance and complex manufacturing.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
5Exact matchAshley, IN, United StatesHQ recorded Nov 2, 2026201-500138 contacts →

Exact match

“Ashley Industrial Molding (AIM) is a leading manufacturer of quality custom molded and painted plastic products and assemblies.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
6Exact matchSussex, WI, United StatesHQ recorded Nov 2, 2026201-500121 contacts →

Exact match

“An accomplished custom injection molder and automated assembly company with more than four decades of proven success.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
7Exact matchWolfeboro, NH, United StatesHQ recorded Nov 2, 2026201-500121 contacts →

Exact match

“For more than 40 years, PSI Molded Plastics has helped customers bring complex plastic components and assemblies to market through advanced injection molding, engineering…”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
8Exact matchWest Des Moines, IA, United StatesHQ recorded Nov 2, 2026201-500112 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
9Exact matchCorry, PA, United StatesHQ recorded Nov 2, 202651-200111 contacts →

Exact match

“Viking Plastics is a leading injection molding and value-added assembly service provider, delivering innovative products including sealing solutions, custom injection molding…”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
10Exact matchMchenry, IL, United StatesHQ recorded Nov 2, 2026201-500109 contacts →

Exact match

“Fabrïk Molded Plastics is a full service custom injection molding supplier.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
11Exact matchZeeland, MI, United StatesHQ recorded Nov 2, 2026201-500105 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
12Exact matchGrand Rapids, MI, United StatesHQ recorded Nov 2, 202651-20097 contacts →

Exact match

“Paragon is a full-service mold supplier with design and build capability.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
13Exact matchBroken Arrow, OK, United StatesHQ recorded Nov 2, 2026201-50094 contacts →

Exact match

“When Quality Counts – Count on Da/Pro Molding tight tolerance, high quality components since 1961, Da/Pro Rubber has the capability, knowledge and experience to assist you in your…”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
14Exact matchRogers, MN, United StatesHQ recorded Nov 2, 202651-20092 contacts →

Exact match

“We are very excited to share the news regarding the recent evolution of our company.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
15Exact matchEllington, CT, United StatesHQ recorded Nov 2, 202651-20079 contacts →

Exact match

“Dymotek Plastic Injection Molding: world class molding solutions right in CT!”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
16Exact matchBelmont, MI, United StatesHQ recorded Nov 2, 202651-20077 contacts →

Exact match

“BEP is a manufacturer of injection molded, thermoformed and assembled products located near Grand Rapids, Michigan.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
17Exact matchMaple Grove, MN, United StatesHQ recorded Nov 2, 202651-20077 contacts →

Exact match

“For over 60 years, we have continued to expand our capabilities and focus on satisfying our customer's needs.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
18Exact matchNewton Falls, OH, United StatesHQ recorded Nov 2, 2026201-50075 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
19Exact matchIronwood, MI, United StatesHQ recorded Nov 2, 202651-20070 contacts →

Exact match

“We are a plastic injection molder of close tolerance plastic products.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
20Exact matchSt. Charles, IL, United StatesHQ recorded Nov 2, 202651-20070 contacts →

Exact match

“Microplastics is a world-class insert molding manufacturer committed to producing high volume, highly engineered electromechanical interconnections and components in the most…”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
21Exact matchLenni, PA, United StatesHQ recorded Nov 2, 202651-20068 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 · Nov 2, 2026 · View company records in RevenueBase
22Exact matchLexington, KY, United StatesHQ recorded Nov 2, 202651-20061 contacts →

Exact match

“Blue Star Plastics has more than 40 years experience providing thermoplastic custom injection molding and contract assembly services to demanding clients in the industrial…”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
23Exact matchMacedonia, OH, United StatesHQ recorded Nov 2, 202651-20059 contacts →

Exact match

“Your complex plastic molding projects - SOLVED!”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
24Exact matchErie, PA, United StatesHQ recorded Nov 2, 202651-20055 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 · Nov 2, 2026 · View company records in RevenueBase
25Exact matchElgin, IL, United StatesHQ recorded Nov 2, 202651-20053 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase

Showing 25 of 292 thermoset compression inserted molding assembly suppliers based in the United States

See the full list, filter by size, metro and specialty, and access 1,606 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Thermoset compression inserted molding assembly suppliers based in the United States at a glance

As of Nov 2, 2026
22.0%Verified-email coverage
25.0Average contacts per company
11-50Median size (employees)
1.4%Largest-city concentration · Elgin
Nov 2, 2026Page data refreshed

Companies by employee count

1-10
59
11-50
110
51-200
91
201-500
26
501-1,000
5
1,001-5,000
1

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 292 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 compression inserted molding assembly suppliers” 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 1,606 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 November 2, 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 compression inserted molding assembly suppliers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many thermoset compression inserted molding assembly suppliers are there based in the United States?

RevenueBase identified 292 company matches for thermoset compression inserted molding assembly suppliers associated with the United States as of November 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?

Mar-Bal, INC tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most thermoset compression inserted molding assembly suppliers?

Elgin leads with 4 company records, followed by Lexington (4) and Grand Rapids (3).

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 1,606 professional contacts with verified work emails tracked across these 292 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 November 2, 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 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.