Company lists · Data refreshed November 2026

Top 25 Composite mold makers based in the United States

RevenueBase identified 331 company matches for composite mold makers associated with the United States as of November 2026 and tracks 6,387 professional contacts across them, including 1,603 with verified work emails. Ashtabula is the largest hub.

This list covers company matches for composite mold makers 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
331Companies
6,387Contacts tracked
1,603Verified emails
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The 25 largest composite mold makers based in the United States

Ranked by team size
Top 25 of 331 company matches for composite mold makers 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 matchSedro-woolley, WA, United StatesHQ recorded Nov 6, 20261,001-5,0001,018 contacts →

Exact match

“Janicki is a privately-owned engineering and manufacturing company with locations in Washington and Utah.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchAshtabula, OH, United StatesHQ recorded Nov 6, 20261,001-5,000472 contacts →

Exact match

“MFG's composites expertise is a result of 70 years of service to customers in many industries.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchHuntington Beach, CA, United StatesHQ recorded Nov 6, 2026501-1,000189 contacts →

Exact match

“Family-owned and trusted since 1973, Airtech Advanced Materials Group is a global supplier of composite tooling, vacuum bagging, lightweight architectural, and additive…”

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 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
6Exact 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
7Exact 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
8Exact 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
9Exact 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
10Exact matchLenni, PA, United StatesHQ recorded Nov 6, 202651-20072 contacts →

Exact match

“Westlake Plastics Company is a world leading manufacturer in extrusion and compression molding technologies of high performance thermoplastics.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchClearwater, United StatesHQ recorded Nov 6, 2026201-50068 contacts →

Exact match

“American Tool & Mold is a leader in the design and construction of complex, precision, multi-cavity molds for the plastic injection molding industry.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact 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
13Exact matchSarasota, FL, United StatesHQ recorded Nov 6, 2026201-50059 contacts →

Exact match

“Marine Concepts / Design Concepts is a highly awarded composites manufacturer primarily engaged, Design, Engineering, Plugs, Molds, 3 & 5- Axis Milling, and First article parts…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact 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
15Exact 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
16Exact 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
17Exact matchPreston, IA, United StatesHQ recorded Nov 6, 202651-20053 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchGrand Rapids, MI, United StatesHQ recorded Nov 6, 202651-20051 contacts →

Exact match

“HS Inc.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchAuburn Hills, MI, United StatesHQ recorded Nov 6, 2026201-50051 contacts →

Exact match

“Delta Technologies, LLC is a privately owned mold and fixture manufacturer supplying both automotive and non-automotive markets.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchBristol, RI, United StatesHQ recorded Nov 6, 202651-20050 contacts →

Exact match

“Tri-Mack is an engineering-driven manufacturer of high performance parts for critical applications in the Aerospace, Defense, Medical and Industrial markets.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchLargo, FL, United StatesHQ recorded Nov 6, 202651-20050 contacts →

Exact match

“Matrix Composites, Inc.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchHolly Springs, GA, United StatesHQ recorded Nov 6, 202651-20047 contacts →

Exact match

“Nor-Ral Inc.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchRancho Cucamonga, CA, United StatesHQ recorded Nov 6, 202651-20047 contacts →

Exact match

“Prestige Mold Incorporated is a high-technology plastic injection mold manufacturer utilizing robotic automation manufacturing cells to ensure ultimate quality and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchFairview, PA, United StatesHQ recorded Nov 6, 202651-20045 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchRogers, AR, United StatesHQ recorded Nov 6, 202651-20043 contacts →

Exact match

“FM Corporation is the leader in custom Structural Foam molding, High Pressure injection molding, Sheet Metal and Machining Services.”

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

Showing 25 of 331 composite mold makers based in the United States

See the full list, filter by size, metro and specialty, and access 1,603 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Composite mold makers based in the United States at a glance

As of Nov 6, 2026
25.1%Verified-email coverage
19.3Average contacts per company
11-50Median size (employees)
1.5%Largest-city concentration · Ashtabula
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
94
11-50
139
51-200
81
201-500
10
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 331 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 “composite mold makers” 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 1,603 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 “composite mold makers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many composite mold makers are there based in the United States?

RevenueBase identified 331 company matches for composite mold makers 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?

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

Which city has the most composite mold makers?

Ashtabula leads with 5 company records, followed by Erie (5) and Grand Rapids (5).

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 1,603 professional contacts with verified work emails tracked across these 331 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.