Company lists · Data refreshed September 2026

Top 25 Plastic auto parts manufacturers based in the United States

Name: Plastic auto parts manufacturers based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 16, 2026 195 companies tracked

RevenueBase identified 195 plastic auto parts manufacturers headquartered in the United States as of September 2026 and tracks 19,976 professional contacts across them, including 3,987 with verified work emails. Troy is the largest hub.

This list covers plastic auto parts 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 16, 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 16, 2026 86% judged on-target in blind review

195Companies

19,976Contacts tracked

3,987Verified emails

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The 25 largest plastic auto parts manufacturers based in the United States

Ranked by team size

Top 25 of 195 plastic auto parts manufacturers based in the United States, ranked by team size, largest first. Data refreshed Sep 16, 2026. RevenueBase Smart Search rates how each company's information relates to plastic auto parts 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.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	IAC Group	Indirect evidence	Southfield, MI, United StatesHQ checked Sep 16, 2026	5,001-10,000	5,634 contacts →
	Indirect evidence “Headquartered in Luxembourg, International Automotive Components (IAC) Group is a leading global supplier of automotive components and systems, including instrument panels…” Source: RevenueBase Database · checked Sep 16, 2026
2	SRG Global	Partial evidence	Troy, MI, United StatesHQ checked Sep 16, 2026	5,001-10,000	1,981 contacts →
	Partial evidence “SRG Global® is one of the world’s leading manufacturers of integrated, functional decorative systems for the automotive, mobility, and commercial truck industries.” Source: RevenueBase Database · checked Sep 16, 2026
3	US Farathane	Strong evidence	Auburn Hills, MI, United StatesHQ checked Sep 16, 2026	1,001-5,000	1,163 contacts →
	Strong evidence “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…” Source: RevenueBase Database · checked Sep 16, 2026
4	NYX INC	Indirect evidence	Livonia, MI, United StatesHQ checked Sep 16, 2026	501-1,000	906 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 16, 2026
5	Ugn, INC	Indirect evidence	Downers Grove, IL, United StatesHQ checked Sep 16, 2026	1,001-5,000	894 contacts →
	Indirect evidence “Founded in 1986 as a partnership between Nihon Tokushu Toryo Co.” Source: RevenueBase Database · checked Sep 16, 2026
6	Jvis USA	Indirect evidence	Shelby Township, MI, United StatesHQ checked Sep 16, 2026	1,001-5,000	602 contacts →
	Indirect evidence “When it comes to the world of automotive components, JVIS has continued to be the supplier of choice for leading global brands.” Source: RevenueBase Database · checked Sep 16, 2026
7	Royal Technologies Corp	Indirect evidence	Hudsonville, MI, United StatesHQ checked Sep 16, 2026	1,001-5,000	492 contacts →
	Indirect evidence “Royal Technologies is an advanced engineering and manufacturing company serving industries as diverse as automotive, furniture, and consumer products.” Source: RevenueBase Database · checked Sep 16, 2026
8	Neaton Auto Products, Mfg, INC	Partial evidence	Eaton, OH, United StatesHQ checked Sep 16, 2026	501-1,000	411 contacts →
	Partial evidence “Neaton Auto Products Manufacturing is a tier one automotive industry supplier of high quality products that impress as well as perform.” Source: RevenueBase Database · checked Sep 16, 2026
9	KI Industries, INC	Strong evidence	Berkeley, IL, United StatesHQ checked Sep 16, 2026	501-1,000	404 contacts →
	Strong evidence “KI Industries, founded in 1964, specializes in the design and manufacture of decorative plastic and die cast components for the automotive and appliance industry.” Source: RevenueBase Database · checked Sep 16, 2026
10	Montaplast Of North America	Indirect evidence	Frankfort, KY, United StatesHQ checked Sep 16, 2026	501-1,000	399 contacts →
	Indirect evidence “Founded in 1958 by Albert Stulz Sr.” Source: RevenueBase Database · checked Sep 16, 2026
11	Century Mold Co. INC	Partial evidence	Rochester, NY, United StatesHQ checked Sep 16, 2026	1,001-5,000	375 contacts →
	Partial evidence “Century Mold is a leading North American plastic injection molder who dominates the automotive industry.” Source: RevenueBase Database · checked Sep 16, 2026
12	EG Industries Leader In Plastic Injection Molding, Tooling, And Automation	Indirect evidence	Circleville, OH, United StatesHQ checked Sep 16, 2026	501-1,000	296 contacts →
	Indirect evidence “EG Industries was founded in 1981 as a Tier 1 supplier to the automotive industry.” Source: RevenueBase Database · checked Sep 16, 2026
13	Lacks Trim Systems	Indirect evidence	Grand Rapids, United StatesHQ checked Sep 16, 2026	1,001-5,000	291 contacts →
	Indirect evidence “From complex, highly detailed grilles with tight tolerances to one-piece full-vehicle-length roof rail covers and caps, Lacks production capabilities mean our finishes can be…” Source: RevenueBase Database · checked Sep 16, 2026
14	Heartland Automotive LLC	Strong evidence	Greencastle, IN, United StatesHQ checked Sep 16, 2026	1,001-5,000	244 contacts →
	Strong evidence “Heartland Automotive is a LLC tier one automotive parts manufacturer and is dedicated to serve the automotive industry; as well as to enrich the life of the local communities.” Source: RevenueBase Database · checked Sep 16, 2026
15	Tasus Corporation	Indirect evidence	Bloomington, IN, United StatesHQ checked Sep 16, 2026	201-500	242 contacts →
	Indirect evidence “TASUS Corporation is a Tier One supplier to Toyota Motor Manufacturing North America and a Tier Two supplier to OEM automotive and transportation markets.” Source: RevenueBase Database · checked Sep 16, 2026
16	Minth North America, INC	Partial evidence	Wixom, MI, United StatesHQ checked Sep 16, 2026	1,001-5,000	195 contacts →
	Partial evidence “Minth Group stands as a global leader in the manufacturing of exterior and structural automotive parts.” Source: RevenueBase Database · checked Sep 16, 2026
17	Creative Liquid Coatings	Strong evidence	Montpelier, OH, United StatesHQ checked Sep 16, 2026	201-500	191 contacts →
	Strong evidence “Provides large plastic injection molded parts and assemblies both painted and chrome plated for the North American commercial truck and bus market.” Source: RevenueBase Database · checked Sep 16, 2026
18	BRC Rubber & Plastics INC	Strong evidence	Fort Wayne, IN, United StatesHQ checked Sep 16, 2026	501-1,000	188 contacts →
	Strong evidence “BRC Rubber & Plastics Inc, headquartered in Fort Wayne, IN, is a leading automotive supplier specializing in the manufacture and marketing of molded rubber and plastic components…” Source: RevenueBase Database · checked Sep 16, 2026
19	Nissha Eimo Technologies	Indirect evidence	Vicksburg, MI, United StatesHQ checked Sep 16, 2026	201-500	149 contacts →
	Indirect evidence “Eimo Technologies Inc.” Source: RevenueBase Database · checked Sep 16, 2026
20	Chiyoda USA Corporation	Strong evidence	Greencastle, IN, United StatesHQ checked Sep 16, 2026	201-500	148 contacts →
	Strong evidence “Chiyoda USA, a tier 1 supplier, develops, manufactures, and supplies automotive interior and exterior plastic parts.” Source: RevenueBase Database · checked Sep 16, 2026
21	Hanwha Advanced Materials America, LLC	Indirect evidence	Opelika, AL, United StatesHQ checked Sep 16, 2026	201-500	142 contacts →
	Indirect evidence “HANWHA ADVANCED MATERIALS AMERICA, LLC is a company based out of 4400 NORTHPARK DRIVE, OPELIKA, Alabama, United States.” Source: RevenueBase Database · checked Sep 16, 2026
22	Quantum Plastics	Partial evidence	Ft. Smith, AR, United StatesHQ checked Sep 16, 2026	501-1,000	137 contacts →
	Partial evidence “Founded in 2014, Quantum Plastics, LLC was created as a holding company by Quantum Ventures of Michigan.” Source: RevenueBase Database · checked Sep 16, 2026
23	Cadillac Products Automotive Company	Indirect evidence	Troy, MI, United StatesHQ checked Sep 16, 2026	51-200	127 contacts →
	Indirect evidence “Cadillac Products Automotive Company is a recognized leader in the automotive industry with a well-earned reputation for designing, developing, and manufacturing creative…” Source: RevenueBase Database · checked Sep 16, 2026
24	CIE USA	Partial evidence	Shelby Township, MI, United StatesHQ checked Sep 16, 2026	1,001-5,000	124 contacts →
	Partial evidence “At CIE USA, established as Century Plastics in we are committed to delivering high-quality, innovative solutions that drive the future of the automotive industry.” Source: RevenueBase Database · checked Sep 16, 2026
25	Superior Trim	Indirect evidence	Findlay, OH, United StatesHQ checked Sep 16, 2026	501-1,000	118 contacts →
	Indirect evidence “At Superior Trim we pride ourselves in the attention we give to our customers.” Source: RevenueBase Database · checked Sep 16, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: plastic auto parts manufacturers. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names plastic auto parts manufacturers.
Partial evidence: Its own public description names part of plastic auto parts manufacturers, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name plastic auto parts manufacturers. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 195 plastic auto parts manufacturers based in the United States

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Plastic auto parts manufacturers based in the United States at a glance

As of Sep 16, 2026

20.0%Verified-email coverage

102.4Average contacts per company

51-200Median size (employees)

2.1%Largest-city concentration · Troy

Sep 16, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

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 195 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 plastic auto parts 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 “plastic auto parts 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 plastic auto parts 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 plastic auto parts 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, 3,987 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 16, 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 plastic auto parts 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 plastic auto parts manufacturers are there based in the United States?

RevenueBase identified 195 plastic auto parts 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?

IAC Group, headquartered in Southfield, tops this list with the largest team on record.

Which city has the most plastic auto parts manufacturers?

Troy leads with 4 headquartered companies, followed by Grand Rapids (3) and Rockford (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 3,987 verified decision-maker contacts tracked across these 195 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 16, 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.