Company lists · Data refreshed November 2026

Top 25 Prototype molding manufacturers based in the United States

RevenueBase identified 594 company matches for prototype molding manufacturers associated with the United States as of November 2026 and tracks 10,543 professional contacts across them, including 3,305 with verified work emails. Erie is the largest hub.

This list covers company matches for prototype 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 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
594Companies
10,543Contacts tracked
3,305Verified emails
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The 25 largest prototype molding manufacturers based in the United States

Ranked by team size
Top 25 of 594 company matches for prototype molding 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 matchItasca, IL, United StatesHQ recorded Nov 6, 20261,001-5,000346 contacts →

Exact match

“SyBridge Technologies is a full-lifecycle injection mold tooling partner trusted by leading manufacturers across healthcare, packaging, consumer goods, mobility, and industrial…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact 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
3Exact matchMacomb, MI, United StatesHQ recorded Nov 6, 2026201-500194 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 · Nov 6, 2026 · View company records in RevenueBase
4Exact matchSeattle, WA, United StatesHQ recorded Nov 6, 2026201-500187 contacts →

Exact match

“Custom Prototypes, 3D Printing, and On-Demand Parts Manufacturing.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact 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
6Exact 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
7Exact matchRochester Hills, MI, United StatesHQ recorded Nov 6, 2026201-500142 contacts →

Exact match

“Hi-Tech Mold & Engineering is a family owned and operated business who values its team members' service, dedication and commitment to superior quality engineering and mold making.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact 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
9Exact 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
10Exact 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
11Exact matchRochester Hills, MI, United StatesHQ recorded Nov 6, 2026501-1,000114 contacts →

Exact match

“3-Dimensional Services Group is a Michigan-based prototype and low-volume manufacturer of metal and plastic parts and assemblies, handling tool design through final assembly…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact 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
13Exact 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
14Exact 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
15Exact matchNorth Vernon, IN, United StatesHQ recorded Nov 6, 202651-20085 contacts →

Exact match

“Since 1966, Decatur Mold Tool & Engineering has been manufacturing and servicing plastic injection molds for molders in all segments of the Plastics Industry.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact 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
17Exact matchBelmont, MI, United StatesHQ recorded Nov 6, 202651-20079 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 6, 2026 · View company records in RevenueBase
18Exact matchMarion, KY, United StatesHQ recorded Nov 6, 2026201-50075 contacts →

Exact match

“We are a family owned company with family values.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchNew Freedom, PA, United StatesHQ recorded Nov 6, 202651-20070 contacts →

Exact match

“Crescent Industries: Engineering-Driven, Technology-Based Injection Molding Partner Crescent Industries’ team are injection molding experts.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact 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
21Exact 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
22Exact 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
23Exact 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
24Exact matchAurora, OH, United StatesHQ recorded Nov 6, 202651-20057 contacts →

Exact match

“An industry leader with more than 40 years experience, Automation Plastics boasts a list of Fortune 500 clientele with niches in the automotive, consumer products, medical…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact 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

Showing 25 of 594 prototype molding manufacturers based in the United States

See the full list, filter by size, metro and specialty, and access 3,305 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Prototype molding manufacturers based in the United States at a glance

As of Nov 6, 2026
31.3%Verified-email coverage
17.7Average contacts per company
11-50Median size (employees)
1.5%Largest-city concentration · Erie
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
199
11-50
237
51-200
130
201-500
21
501-1,000
3
1,001-5,000
4

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 594 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 “prototype 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 3,305 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 “prototype molding manufacturers”; each Exact match badge shows search membership, not an individual similarity or quality score.

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

RevenueBase identified 594 company matches for prototype molding 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?

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

Which city has the most prototype molding manufacturers?

Erie leads with 9 company records, followed by Rochester (7) and Clinton Township (6).

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 3,305 professional contacts with verified work emails tracked across these 594 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.

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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.