Company lists · Data refreshed October 2026

Top 25 Insert molding manufacturers based in the United States

RevenueBase identified 996 company matches for insert molding manufacturers associated with the United States as of October 2026 and tracks 23,559 professional contacts across them, including 5,522 with verified work emails. Grand Rapids is the largest hub.

This list covers company matches for insert molding 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 October 16, 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 Oct 16, 2026 How this list was built
996Companies
23,559Contacts tracked
5,522Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 25 largest insert molding manufacturers based in the United States

Ranked by team size
Top 25 of 996 company matches for insert molding manufacturers based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 16, 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 matchAuburn Hills, MI, United StatesHQ recorded Oct 16, 20261,001-5,0001,214 contacts →

Exact match

“At US Farathane, we design and manufacture highly engineered plastic injection-molded components, make them available to you in a variety of sizes, shapes, and designs and supply…”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
2Exact matchDeforest, WI, United StatesHQ recorded Oct 16, 20261,001-5,000504 contacts →

Exact match

“Precision.”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
3Exact matchArlington, VT, United StatesHQ recorded Oct 16, 20261,001-5,000472 contacts →

Exact match

“Mack Molding Co, headquartered in Arlington, VT, provides design through FDA-approved manufacturing services to the medical, commercial, computer & business equipment, energy and…”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
4Exact matchRochester, NY, United StatesHQ recorded Oct 16, 20261,001-5,000393 contacts →

Exact match

“Century Mold is a leading North American plastic injection molder who dominates the automotive industry.”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
5Exact matchLindstrom, MN, United StatesHQ recorded Oct 16, 2026501-1,000362 contacts →

Exact match

“At Plastic Products Company (PPC), we are committed to eagerly serving your needs.”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
6Exact matchWest Des Moines, IA, United StatesHQ recorded Oct 16, 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 · Oct 16, 2026 · View company records in RevenueBase
7Exact matchCircleville, OH, United StatesHQ recorded Oct 16, 2026501-1,000311 contacts →

Exact match

“EG Industries was founded in 1981 as a Tier 1 supplier to the automotive industry.”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
8Exact matchMacomb, MI, United StatesHQ recorded Oct 16, 2026201-500190 contacts →

Exact match

“From Mind to Manufacturing® PTI Engineered Plastics is a leading innovator that utilizes the latest advances in the field of plastic injection molding.”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
9Exact matchOxford, CT, United StatesHQ recorded Oct 16, 2026201-500188 contacts →

Exact match

“At PTA Plastics, we are a leading custom injection molder with a passion for precision and excellence.”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
10Exact matchIndianapolis, IN, United StatesHQ recorded Oct 16, 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 · Oct 16, 2026 · View company records in RevenueBase
11Exact matchFindlay, OH, United StatesHQ recorded Oct 16, 202651-200158 contacts →

Exact match

“FMT is your strategic partner in high-quality plastic parts manufacturing.”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
12Exact matchRockland, MA, United StatesHQ recorded Oct 16, 202651-200157 contacts →

Exact match

“Polymer Corporation manufactures close-tolerance plastic parts and assemblies for blue-chip customers with demanding applications worldwide.”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
13Exact matchBrookings, SD, United StatesHQ recorded Oct 16, 2026201-500151 contacts →

Exact match

“In 1975, a leading custom injection molding company, Falcon Plastics, Inc.”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
14Exact matchHopkins, MN, United StatesHQ recorded Oct 16, 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 · Oct 16, 2026 · View company records in RevenueBase
15Exact matchFt. Smith, AR, United StatesHQ recorded Oct 16, 2026501-1,000143 contacts →

Exact match

“Founded in 2014, Quantum Plastics, LLC was created as a holding company by Quantum Ventures of Michigan.”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
16Exact matchAshley, IN, United StatesHQ recorded Oct 16, 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 · Oct 16, 2026 · View company records in RevenueBase
17Exact matchGoodland, IN, United StatesHQ recorded Oct 16, 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 · Oct 16, 2026 · View company records in RevenueBase
18Exact matchHarborcreek, PA, United StatesHQ recorded Oct 16, 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 · Oct 16, 2026 · View company records in RevenueBase
19Exact matchEl Paso, TX, United StatesHQ recorded Oct 16, 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 · Oct 16, 2026 · View company records in RevenueBase
20Exact matchNorth Canton, OH, United StatesHQ recorded Oct 16, 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 · Oct 16, 2026 · View company records in RevenueBase
21Exact matchMeadville, PA, United StatesHQ recorded Oct 16, 2026201-500127 contacts →

Exact match

“Founded in 1962, C&J Industries has evolved into a premier all-in-one plastic injection molding company.”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
22Exact matchSussex, WI, United StatesHQ recorded Oct 16, 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 · Oct 16, 2026 · View company records in RevenueBase
23Exact matchWolfeboro, NH, United StatesHQ recorded Oct 16, 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 · Oct 16, 2026 · View company records in RevenueBase
24Exact matchTempe, AZ, United StatesHQ recorded Oct 16, 2026201-500119 contacts →

Exact match

“In 2018, Westfall Technik made a major move to expand capacity and capability with the acquisition of AMA Plastics, a premier contract manufacturer in the Southwest.”

Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
25Exact matchArnold, MO, United StatesHQ recorded Oct 16, 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 · Oct 16, 2026 · View company records in RevenueBase

Showing 25 of 996 insert molding manufacturers based in the United States

See the full list, filter by size, metro and specialty, and access 5,522 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Insert molding manufacturers based in the United States at a glance

As of Oct 16, 2026
23.4%Verified-email coverage
23.7Average contacts per company
11-50Median size (employees)
1.2%Largest-city concentration · Grand Rapids
Oct 16, 2026Page data refreshed

Companies by employee count

1-10
225
11-50
379
51-200
280
201-500
82
501-1,000
21
1,001-5,000
8

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 996 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 “insert molding 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 5,522 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 October 16, 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 “insert molding manufacturers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many insert molding manufacturers are there based in the United States?

RevenueBase identified 996 company matches for insert molding manufacturers associated with the United States as of October 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?

US Farathane tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most insert molding manufacturers?

Grand Rapids leads with 12 company records, followed by Chicago (8) and Rochester (8).

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 5,522 professional contacts with verified work emails tracked across these 996 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 October 16, 2026.

Ready to reach these companies? Verified emails and direct dials for all 996 insert molding manufacturers based in the United States. Start with a free account, no credit card.

Download this list →

Related lists

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.