Company lists · Data refreshed October 2026

Top 25 Custom plastic automotive parts manufacturers based in the United States

RevenueBase identified 1,487 company matches for custom plastic automotive parts manufacturers associated with the United States as of October 2026 and tracks 48,348 professional contacts across them, including 10,567 with verified work emails. Grand Rapids is the largest hub.

This list covers company matches for custom plastic automotive parts 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 11, 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 11, 2026 How this list was built
1,487Companies
48,348Contacts tracked
10,567Verified emails
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The 25 largest custom plastic automotive parts manufacturers based in the United States

Ranked by team size
Top 25 of 1,487 company matches for custom plastic automotive parts manufacturers based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 11, 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 matchUrbana, IL, United StatesHQ recorded Oct 11, 202610001+4,455 contacts →

Exact match

“Starting with aftermarket parts in 1956 and moving into O.E.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
2Exact matchTroy, MI, United StatesHQ recorded Oct 11, 20265,001-10,0001,978 contacts →

Exact match

“SRG Global® is one of the world’s leading manufacturers of integrated, functional decorative systems for the automotive, mobility, and commercial truck industries.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
3Exact matchBatavia, OH, United StatesHQ recorded Oct 11, 20261,001-5,0001,324 contacts →

Exact match

“Milacron is a global industrial leader in the manufacturing and distribution of highly engineered and customized injection molding and extrusion solutions, and aftermarket parts…”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
4Exact matchAuburn Hills, MI, United StatesHQ recorded Oct 11, 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 11, 2026 · View company records in RevenueBase
5Exact matchAsheboro, NC, United StatesHQ recorded Oct 11, 20261,001-5,0001,057 contacts →

Exact match

“Founded in 1983, Technimark is a global leader and manufacturer of high-value injection-molded packaging and components serving the consumer packaging, healthcare and industrial…”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
6Exact matchPontiac, MI, United StatesHQ recorded Oct 11, 20261,001-5,000826 contacts →

Exact match

“Passions Made Possible.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
7Exact matchShelby Township, MI, United StatesHQ recorded Oct 11, 20261,001-5,000628 contacts →

Exact match

“When it comes to the world of automotive components, JVIS has continued to be the supplier of choice for leading global brands.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
8Exact matchSkaneateles, NY, United StatesHQ recorded Oct 11, 20261,001-5,000522 contacts →

Exact match

“Founded in 1973, Tessy Plastics is a global contract manufacturer headquartered in Skaneateles, NY, specializing in injection molding and custom automated assembly solutions.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
9Exact matchBaraboo, WI, United StatesHQ recorded Oct 11, 20261,001-5,000521 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
10Exact matchDeforest, WI, United StatesHQ recorded Oct 11, 20261,001-5,000504 contacts →

Exact match

“Precision.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
11Exact matchHudsonville, MI, United StatesHQ recorded Oct 11, 20261,001-5,000491 contacts →

Exact match

“Royal Technologies is an advanced engineering and manufacturing company serving industries as diverse as automotive, furniture, and consumer products.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
12Exact matchArlington, VT, United StatesHQ recorded Oct 11, 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 11, 2026 · View company records in RevenueBase
13Exact matchBerkeley, IL, United StatesHQ recorded Oct 11, 2026501-1,000420 contacts →

Exact match

“KI Industries, founded in 1964, specializes in the design and manufacture of decorative plastic and die cast components for the automotive and appliance industry.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
14Exact matchFrankfort, KY, United StatesHQ recorded Oct 11, 2026501-1,000410 contacts →

Exact match

“Founded in 1958 by Albert Stulz Sr.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
15Exact matchRochester, NY, United StatesHQ recorded Oct 11, 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 11, 2026 · View company records in RevenueBase
16Exact matchLindstrom, MN, United StatesHQ recorded Oct 11, 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 11, 2026 · View company records in RevenueBase
17Exact matchAlpharetta, GA, United StatesHQ recorded Oct 11, 2026501-1,000334 contacts →

Exact match

“Pexco is a leading manufacturer of high-performance plastic solutions engineered for manufacturers and end-users across North America.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
18Exact matchKendallville, IN, United StatesHQ recorded Oct 11, 2026501-1,000332 contacts →

Exact match

“Here at Creative Liquid Coatings we do far more than just liquid coatings.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
19Exact matchWest Des Moines, IA, United StatesHQ recorded Oct 11, 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 11, 2026 · View company records in RevenueBase
20Exact matchCircleville, OH, United StatesHQ recorded Oct 11, 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 11, 2026 · View company records in RevenueBase
21Exact matchColumbia, MD, United StatesHQ recorded Oct 11, 20261,001-5,000296 contacts →

Exact match

“dlhBOWLES is a premier supplier of innovative engineered plastic solutions to many of the largest corporations and most recognizable brands around the globe in the automotive and…”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
22Exact matchBloomington, IN, United StatesHQ recorded Oct 11, 2026201-500247 contacts →

Exact match

“TASUS Corporation is a Tier One supplier to Toyota Motor Manufacturing North America and a Tier Two supplier to OEM automotive and transportation markets.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
23Exact matchAlexandria, MN, United StatesHQ recorded Oct 11, 2026501-1,000221 contacts →

Exact match

“Alexandria Industries: 60 Years of Turning Possibility into Product (1966–2026) In 1966, we began as a single-service extrusion shop with a vision for quality.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
24Exact matchBad Axe, MI, United StatesHQ recorded Oct 11, 20261,001-5,000217 contacts →

Exact match

“Gemini Group is a leading supplier of engineered plastic products and metal tooling solutions.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
25Exact matchClinton, IA, United StatesHQ recorded Oct 11, 2026501-1,000201 contacts →

Exact match

“Plastic blow molder with full design, manufacturing and fulfillment capacities.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase

Showing 25 of 1,487 custom plastic automotive parts manufacturers based in the United States

See the full list, filter by size, metro and specialty, and access 10,567 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Custom plastic automotive parts manufacturers based in the United States at a glance

As of Oct 11, 2026
21.9%Verified-email coverage
32.5Average contacts per company
11-50Median size (employees)
1.1%Largest-city concentration · Grand Rapids
Oct 11, 2026Page data refreshed

Companies by employee count

1-10
355
11-50
547
51-200
387
201-500
129
501-1,000
37
1,001-5,000
27
5,001-10,000
1
10001+
3

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 1,487 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 “custom plastic automotive parts 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 10,567 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 11, 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 “custom plastic automotive parts manufacturers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many custom plastic automotive parts manufacturers are there based in the United States?

RevenueBase identified 1,487 company matches for custom plastic automotive parts 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?

Flex-N-Gate tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most custom plastic automotive parts manufacturers?

Grand Rapids leads with 16 company records, followed by Holland (12) and Rochester (12).

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 10,567 professional contacts with verified work emails tracked across these 1,487 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 11, 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.