Company lists · Data refreshed November 2026

Top 25 Thermoplastic injection molding insert suppliers based in the United States

RevenueBase identified 278 company matches for thermoplastic injection molding insert suppliers associated with the United States as of November 2026 and tracks 5,689 professional contacts across them, including 1,297 with verified work emails. Addison is the largest hub.

This list covers company matches for thermoplastic injection molding insert 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
278Companies
5,689Contacts tracked
1,297Verified emails
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The 25 largest thermoplastic injection molding insert suppliers based in the United States

Ranked by team size
Top 25 of 278 company matches for thermoplastic injection molding insert 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 matchWest Des Moines, IA, United StatesHQ recorded Nov 2, 20261,001-5,000315 contacts →

Exact match

“EPC is your one-stop shop for your plastic injection molded products.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
2Exact matchIndianapolis, IN, United StatesHQ recorded Nov 2, 2026201-500178 contacts →

Exact match

“A full-service plastic injection molding partner providing superior solutions that redefine the meaning of successful outcomes, 70 Injection Molding presses from 40 to ton as as…”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
3Exact 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
4Exact matchGoodland, IN, United StatesHQ recorded Nov 2, 2026201-500137 contacts →

Exact match

“Adkev is an injection and insert molder located midway between Indianapolis and Chicago in Goodland, Indiana.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
5Exact matchHarborcreek, PA, United StatesHQ recorded Nov 2, 2026201-500132 contacts →

Exact match

“For more than 50 years, we have been offering complete custom injection molding solutions as a core service.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
6Exact matchEl Paso, TX, United StatesHQ recorded Nov 2, 202651-200132 contacts →

Exact match

“Plastic Molding Technology solves mission-critical needs to reduce supply chain risk and complexity.”

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 matchArnold, MO, United StatesHQ recorded Nov 2, 2026201-500119 contacts →

Exact match

“World class manufacturer of plastic injection molding (and insert/over-molding), metal stamped components as well as tool and die.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
9Exact 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
10Exact matchSturgis, MI, United StatesHQ recorded Nov 2, 2026201-50088 contacts →

Exact match

“SMP is your innovative partner in plastic injection molding since 1966.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
11Exact 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
12Exact 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
13Exact 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
14Exact 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
15Exact 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
16Exact 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
17Exact matchLincoln, NE, United StatesHQ recorded Nov 2, 202651-20057 contacts →

Exact match

“HTI Plastics, Inc, a plastic injection molding company, has been in business for over 30 years.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
18Exact 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
19Exact matchFiskdale, MA, United StatesHQ recorded Nov 2, 202651-20052 contacts →

Exact match

“Founded in 1963, G&F Precision Molding is a privately held custom injection molder with locations in Danvers and Fiskdale, Massachusetts.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
20Exact matchMinneapolis, MN, United StatesHQ recorded Nov 2, 202651-20052 contacts →

Exact match

“Any molder can purchase the latest equipment and technology, yet Steinwall also emphasizes the human element to ensure the best overall customer experience.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
21Exact matchMount Pleasant, IA, United StatesHQ recorded Nov 2, 2026201-50050 contacts →

Exact match

“Lomont Molding LLC is one of the premier plastic molders in the country.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
22Exact matchOneida, NY, United StatesHQ recorded Nov 2, 202651-20050 contacts →

Exact match

“Founded in 1964, Oneida Molded Plastics (OMP) has a long history of providing custom engineered injection molding services.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
23Exact matchPalatine, IL, United StatesHQ recorded Nov 2, 2026501-1,00048 contacts →

Exact match

“Founded in 1953, Intec is a supplier of complex plastic injection and insert molded components for the automotive industry.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
24Exact matchRockford, IL, United StatesHQ recorded Nov 2, 202651-20047 contacts →

Exact match

“Pyramid Molding Group, based in Rockford, IL, is the result of a powerhouse partnership between Tool Maker, Industrial Molds and Injection Molder, Pyramid Plastics.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
25Exact matchBaldwin, WI, United StatesHQ recorded Nov 2, 202651-20046 contacts →

Exact match

“For companies looking for plastics engineering and injection molding services, Vital Plastics provides end-to-end custom injection molding solutions that are Vital to your…”

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

Showing 25 of 278 thermoplastic injection molding insert suppliers based in the United States

See the full list, filter by size, metro and specialty, and access 1,297 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Thermoplastic injection molding insert suppliers based in the United States at a glance

As of Nov 2, 2026
22.8%Verified-email coverage
20.5Average contacts per company
11-50Median size (employees)
1.1%Largest-city concentration · Addison
Nov 2, 2026Page data refreshed

Companies by employee count

1-10
68
11-50
113
51-200
72
201-500
19
501-1,000
3
1,001-5,000
2

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 278 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 “thermoplastic injection molding insert 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 1,297 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 “thermoplastic injection molding insert suppliers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many thermoplastic injection molding insert suppliers are there based in the United States?

RevenueBase identified 278 company matches for thermoplastic injection molding insert 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?

Engineered Plastic Components tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most thermoplastic injection molding insert suppliers?

Addison leads with 3 company records, followed by Corona (3) and Elgin (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 1,297 professional contacts with verified work emails tracked across these 278 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.