Company lists · Data refreshed November 2026

Top 25 Rubber prototype manufacturers based in the United States

RevenueBase identified 506 company matches for rubber prototype manufacturers associated with the United States as of November 2026 and tracks 7,823 professional contacts across them, including 2,135 with verified work emails. Clinton Township is the largest hub.

This list covers company matches for rubber prototype 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 November 6, 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 6, 2026 How this list was built
506Companies
7,823Contacts tracked
2,135Verified emails
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The 25 largest rubber prototype manufacturers based in the United States

Ranked by team size
Top 25 of 506 company matches for rubber prototype manufacturers based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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 6, 20261,001-5,000336 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchFindlay, OH, United StatesHQ recorded Nov 6, 202651-200164 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchBrookings, SD, United StatesHQ recorded Nov 6, 2026201-500155 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchAshley, IN, United StatesHQ recorded Nov 6, 2026201-500142 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 6, 2026 · View company records in RevenueBase
5Exact matchNorth Canton, OH, United StatesHQ recorded Nov 6, 2026501-1,000137 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 6, 2026 · View company records in RevenueBase
6Exact matchMacungie, PA, United StatesHQ recorded Nov 6, 202651-200129 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchClinton Township, MI, United StatesHQ recorded Nov 6, 202651-200127 contacts →

Exact match

“CPS is an ISO certified manufacturer of prototype and limited production parts and tooling for a variety of industries.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchWest Des Moines, IA, United StatesHQ recorded Nov 6, 2026201-500120 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchRochester, NC, United StatesHQ recorded Nov 6, 2026201-500116 contacts →

Exact match

“Leading design and builder of injection molding tools, injection molding of plastics parts, and simple to complex assemblies including value added processes such as hot stamping…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchWarren, SC, United StatesHQ recorded Nov 6, 2026501-1,000106 contacts →

Exact match

“For a complete listing of our Open positions please visit Proper Group International offers everything from rapid prototype development to the world’s most sophisticated injection…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchBroken Arrow, OK, United StatesHQ recorded Nov 6, 2026201-500106 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 6, 2026 · View company records in RevenueBase
12Exact matchGrand Rapids, TX, United StatesHQ recorded Nov 6, 202651-20097 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchWeatherford, TX, United StatesHQ recorded Nov 6, 202651-20094 contacts →

Exact match

“Jamak is at the forefront of silicone rubber manufacturing.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchPort Washington, WI, United StatesHQ recorded Nov 6, 202651-20091 contacts →

Exact match

“Founded in 1954 and headquartered in Port Washington, Wisconsin, Molded Dimensions Group is a premier provider of custom parts for companies seeking reliability, versatility, and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchRochester, NY, United StatesHQ recorded Nov 6, 202651-20082 contacts →

Exact match

“Empire Precision Plastics is an engineering-based scientific injection molder that partners with customers to solve their most challenging injection molding problems.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchPhiladelphia, PA, United StatesHQ recorded Nov 6, 202651-20067 contacts →

Exact match

“Stockwell Elastomerics, Inc.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchLong Beach, CA, United StatesHQ recorded Nov 6, 202651-20066 contacts →

Exact match

“Custom injection molding, tooling, product development, prototypes, material formulations, application analysis”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchWoburn, MA, United StatesHQ recorded Nov 6, 202651-20064 contacts →

Exact match

“Greene Rubber Company is an AS9100 certified manufacturer of custom molded and fabricated rubber components, specializing in shock and vibration isolation, liquid silicone…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchMacedonia, OH, United StatesHQ recorded Nov 6, 202651-20061 contacts →

Exact match

“Your complex plastic molding projects - SOLVED!”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchReed City, MI, United StatesHQ recorded Nov 6, 202651-20059 contacts →

Exact match

“Reed City Group is a full-scale mold building, press making and plastic injection molding company based in Reed City, Michigan.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchMenomomee Falls, WI, United StatesHQ recorded Nov 6, 202651-20058 contacts →

Exact match

“Dynamic Tool Corporation is an engineering company focusing on developing, building, and launching custom plastic injection molds - serving many markets including medical device…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchCedar Rapids, SC, United StatesHQ recorded Nov 6, 202651-20053 contacts →

Exact match

“Since its conception, MSI has been carving its niche, building high quality, low maintenance, and efficient plastic molds.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchEau Claire, WI, United StatesHQ recorded Nov 6, 202651-20052 contacts →

Exact match

“Five Star Plastics is now proudly part of Intek Plastics.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchMinneapolis, MN, United StatesHQ recorded Nov 6, 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 6, 2026 · View company records in RevenueBase
25Exact matchClinton Township, MI, United StatesHQ recorded Nov 6, 202651-20049 contacts →

Exact match

“Omega Plastics is a leader in tooling and injection molding solutions for prototype/product development through low to medium volume production applications.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 506 rubber prototype manufacturers based in the United States

See the full list, filter by size, metro and specialty, and access 2,135 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Rubber prototype manufacturers based in the United States at a glance

As of Nov 6, 2026
27.3%Verified-email coverage
15.5Average contacts per company
11-50Median size (employees)
1.2%Largest-city concentration · Clinton Township
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
153
11-50
204
51-200
127
201-500
18
501-1,000
3
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 506 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 “rubber prototype 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 2,135 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 6, 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 “rubber prototype manufacturers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many rubber prototype manufacturers are there based in the United States?

RevenueBase identified 506 company matches for rubber prototype manufacturers 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 rubber prototype manufacturers?

Clinton Township leads with 6 company records, followed by Houston (5) and Anaheim (4).

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 2,135 professional contacts with verified work emails tracked across these 506 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 6, 2026.

Ready to reach these companies? Verified emails and direct dials for all 506 rubber prototype manufacturers 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.