Company lists · Data refreshed September 2026

Top 25 Pu mold manufacturers based in the United States

RevenueBase identified 202 pu mold manufacturers headquartered in the United States as of September 2026 and tracks 2,770 professional contacts across them, including 911 with verified work emails. Erie is the largest hub.

This list covers pu mold manufacturers headquartered in the United States, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 30, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 30, 2026 86% judged on-target in blind review
202Companies
2,770Contacts tracked
911Verified emails
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The 25 largest pu mold manufacturers based in the United States

Ranked by team size
Top 25 of 202 pu mold manufacturers based in the United States, ranked by team size, largest first. Data refreshed Sep 30, 2026. RevenueBase Smart Search rates how each company's information relates to pu mold manufacturers: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Indirect evidenceEaston, PA, United StatesHQ checked Sep 30, 202651-200134 contacts →

Indirect evidence

“Founded in 1984, Polytek® Development Corp.”

Source: RevenueBase Database · checked Sep 30, 2026
2Indirect evidenceTacoma, WA, United StatesHQ checked Sep 30, 202651-200128 contacts →

Indirect evidence

“General Plastics Manufacturing Company - Where Great Ideas Take Shape - has been a leading innovator in the plastics industry for over 80 years.”

Source: RevenueBase Database · checked Sep 30, 2026
3Partial evidenceLee's Summit, MO, United StatesHQ checked Sep 30, 202651-200121 contacts →

Partial evidence

“R&D/Leverage, An Adler Co- headquartered in Missouri, serving the food and beverage, home and personal care, and healthcare industries offering mold manufacturing capabilities…”

Source: RevenueBase Database · checked Sep 30, 2026
4Indirect evidenceWest Des Moines, IA, United StatesHQ checked Sep 30, 2026201-500112 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 30, 2026
5Indirect evidenceWyoming, MI, United StatesHQ checked Sep 30, 2026201-500110 contacts →

Indirect evidence

“Founded in 1949, Grand Rapids Foam Technologies (GRFT) has over 70 years of experience in the foam fabrication business, and is one of the largest custom polyurethane molders in…”

Source: RevenueBase Database · checked Sep 30, 2026
6Indirect evidenceIndianapolis, IN, United StatesHQ checked Sep 30, 2026201-500106 contacts →

Indirect evidence

“Our vision as a successful enterprise goes well beyond the normal objectives of positive financial performance.”

Source: RevenueBase Database · checked Sep 30, 2026
7Indirect evidenceMount Airy, NC, United StatesHQ checked Sep 30, 2026201-500102 contacts →

Indirect evidence

“At NCFI Polyurethanes, we've been making your life more comfortable for over 50 years.”

Source: RevenueBase Database · checked Sep 30, 2026
8Partial evidenceGrand Rapids, MI, United StatesHQ checked Sep 30, 202651-20091 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 30, 2026
9Indirect evidenceBroken Arrow, OK, United StatesHQ checked Sep 30, 2026201-50090 contacts →

Indirect evidence

“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…”

Source: RevenueBase Database · checked Sep 30, 2026
10Indirect evidenceClearwater, FL, United StatesHQ checked Sep 30, 2026201-50088 contacts →

Indirect evidence

“TSE specializes in Urethane and Machined Plastic.”

Source: RevenueBase Database · checked Sep 30, 2026
11Indirect evidencePort Washington, WI, United StatesHQ checked Sep 30, 202651-20085 contacts →

Indirect evidence

“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…”

Source: RevenueBase Database · checked Sep 30, 2026
12Partial evidenceReed City, MI, United StatesHQ checked Sep 30, 202651-20055 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 30, 2026
13Partial evidenceCedar Rapids, IA, United StatesHQ checked Sep 30, 202651-20052 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 30, 2026
14Indirect evidenceMaryland Heights, MO, United StatesHQ checked Sep 30, 2026501-1,00051 contacts →

Indirect evidence

“Carlisle Polyurethane Systems, headquartered in St.”

Source: RevenueBase Database · checked Sep 30, 2026
15Partial evidenceNew Baltimore, MI, United StatesHQ checked Sep 30, 202651-20049 contacts →

Partial evidence

“Eclipse Mold specializes in mold making and plastic injection molding.”

Source: RevenueBase Database · checked Sep 30, 2026
16Indirect evidencePreston, IA, United StatesHQ checked Sep 30, 202651-20049 contacts →

Indirect evidence

“Plastics Unlimited was established in 1993 by Terry and Nancy Kieffer.”

Source: RevenueBase Database · checked Sep 30, 2026
17Strong evidenceGrand Rapids, MI, United StatesHQ checked Sep 30, 202651-20042 contacts →

Strong evidence

“Edge‑Sweets Company (ESCO Group Inc.) is a custom OEM capital equipment manufacturer serving the polyurethane (PU) industry.”

Source: RevenueBase Database · checked Sep 30, 2026
18Indirect evidenceGwinn, MI, United StatesHQ checked Sep 30, 202651-20042 contacts →

Indirect evidence

“Argonics formulates a variety of proprietary performance-based polyurethane materials and services to specifically meet the needs of industrial applications around the globe.”

Source: RevenueBase Database · checked Sep 30, 2026
19Indirect evidenceTustin, CA, United StatesHQ checked Sep 30, 202611-5033 contacts →

Indirect evidence

“BJB Enterprises, Inc is an ISO registered company.”

Source: RevenueBase Database · checked Sep 30, 2026
20Indirect evidenceAshtabula, OH, United StatesHQ checked Sep 30, 202651-20033 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 30, 2026
21Indirect evidenceBirmingham, AL, United StatesHQ checked Sep 30, 202611-5030 contacts →

Indirect evidence

“From the factory to the job site, Creative Polymer Solutions takes an innovative approach to develop application-specic solutions leveraging the unique and versatile properties of…”

Source: RevenueBase Database · checked Sep 30, 2026
22Partial evidenceS. Elgin, IL, United StatesHQ checked Sep 30, 202651-20027 contacts →

Partial evidence

“Armin Tool specializes in designing and manufacturing high volume, high cavitation, tight tolerance injection molds.”

Source: RevenueBase Database · checked Sep 30, 2026
23Indirect evidencePine Brook, NJ, United StatesHQ checked Sep 30, 202651-20027 contacts →

Indirect evidence

“U.S.”

Source: RevenueBase Database · checked Sep 30, 2026
24Partial evidenceRoseville, MI, United StatesHQ checked Sep 30, 202611-5026 contacts →

Partial evidence

“Plastic Injection Mold Builders and Low Volume Parts Supplier Midwest Mold Services produces quality products quickly and competitively.”

Source: RevenueBase Database · checked Sep 30, 2026
25Partial evidenceChicago, IL, United StatesHQ checked Sep 30, 202611-5025 contacts →

Partial evidence

“Janler is a Chicago-based precision mold design and build partner known for complex, high precision injection molds that run reliably at scale.”

Source: RevenueBase Database · checked Sep 30, 2026

Showing 25 of 202 pu mold manufacturers based in the United States

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Pu mold manufacturers based in the United States at a glance

As of Sep 30, 2026
32.9%Verified-email coverage
13.7Average contacts per company
11-50Median size (employees)
2.0%Largest-city concentration · Erie
Sep 30, 2026Page data refreshed

Companies by employee count

1-10
68
11-50
85
51-200
40
201-500
7
501-1,000
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 202 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among pu mold manufacturers, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies
Companies headquartered in the United States whose own description of what they do matches “pu mold manufacturers”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search
RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names pu mold manufacturers), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude
Companies whose own description does not clearly place them among pu mold manufacturers, and records with no verified work email. Companies headquartered outside United States are excluded even when they keep an office there.
Match quality
In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 911 across the full list. 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 September 30, 2026. Lists refresh periodically as the graph is re-checked.
Corrections
Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names pu mold manufacturers, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many pu mold manufacturers are there based in the United States?

RevenueBase identified 202 pu mold manufacturers headquartered in the United States as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Polytek Development Corp, headquartered in Easton, tops this list with the largest team on record.

Which city has the most pu mold manufacturers?

Erie leads with 4 headquartered companies, followed by Cuyahoga Falls (3) and Grand Rapids (3).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 911 verified decision-maker contacts tracked across these 202 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 30, 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 Smart Search, 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.