Company lists · Data refreshed November 2026

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

RevenueBase identified 261 company matches for thermoset compression molding assembly suppliers associated with the United States as of November 2026 and tracks 6,554 professional contacts across them, including 1,804 with verified work emails. Auburn is the largest hub.

This list covers company matches for thermoset compression 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
261Companies
6,554Contacts tracked
1,804Verified emails
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The 25 largest thermoset compression molding assembly suppliers based in the United States

Ranked by team size
Top 25 of 261 company matches for thermoset compression 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 matchAshtabula, OH, United StatesHQ recorded Nov 2, 20261,001-5,000457 contacts →

Exact match

“MFG's composites expertise is a result of 70 years of service to customers in many industries.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
2Exact 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
3Exact matchHayward, CA, United StatesHQ recorded Nov 2, 2026201-500194 contacts →

Exact match

“C-Hawk Technology was established in 2006 by a group of managers and technologists coming from the plastic manufacturing industry.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
4Exact 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
5Exact 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
6Exact 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
7Exact matchNorth Canton, OH, United StatesHQ recorded Nov 2, 2026501-1,000132 contacts →

Exact match

“Custom molder of high quality elastomeric and thermoplastic components for medical, government, industrial and other markets.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
8Exact 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
9Exact matchElkwood, VA, United StatesHQ recorded Nov 2, 202651-200117 contacts →

Exact match

“The EC Group is a global player in the field of high-quality and sophisticated composite materials.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
10Exact matchHanover, PA, United StatesHQ recorded Nov 2, 2026501-1,000116 contacts →

Exact match

“McCLARIN Composites has been a premier supplier of large Thermoplastic and Fiberglass Reinforced Plastic components since 1953.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
11Exact 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
12Exact 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
13Exact 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
14Exact 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
15Exact 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
16Exact 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
17Exact matchSheboygan, WI, United StatesHQ recorded Nov 2, 2026201-50086 contacts →

Exact match

“PLENCO is a materials company advancing the systems that power industry.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
18Exact matchBroken Arrow, OK, United StatesHQ recorded Nov 2, 202651-20080 contacts →

Exact match

“We specialize in solving problems and saving money for our customers.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
19Exact 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
20Exact 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
21Exact 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
22Exact matchRochester, NH, United StatesHQ recorded Nov 2, 202651-20073 contacts →

Exact match

“Spaulding Composites is a global supplier of specialty composite materials and value added fabricated products.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
23Exact 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
24Exact 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
25Exact matchSarasota, FL, United StatesHQ recorded Nov 2, 2026201-50055 contacts →

Exact match

“Marine Concepts / Design Concepts is a highly awarded composites manufacturer primarily engaged, Design, Engineering, Plugs, Molds, 3 & 5- Axis Milling, and First article parts…”

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

Showing 25 of 261 thermoset compression molding assembly suppliers based in the United States

See the full list, filter by size, metro and specialty, and access 1,804 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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

As of Nov 2, 2026
27.5%Verified-email coverage
25.1Average contacts per company
11-50Median size (employees)
1.1%Largest-city concentration · Auburn
Nov 2, 2026Page data refreshed

Companies by employee count

1-10
49
11-50
94
51-200
85
201-500
27
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 261 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 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 1,804 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 molding assembly suppliers”; each Exact match badge shows search membership, not an individual similarity or quality score.

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

RevenueBase identified 261 company matches for thermoset compression 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?

Molded Fiber Glass MFG Companies tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most thermoset compression molding assembly suppliers?

Auburn leads with 3 company records, followed by Bristol (3) and Corona (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 1,804 professional contacts with verified work emails tracked across these 261 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.

Ready to reach these companies? Verified emails and direct dials for all 261 thermoset compression molding assembly suppliers based in the United States. Start with a free account, no credit card.

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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.