Company lists · Data refreshed September 2026

Top 25 Thermoformed automotive plastic manufacturers based in the United States

Name: Thermoformed automotive plastic 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 19, 2026 281 companies tracked

RevenueBase identified 281 thermoformed automotive plastic manufacturers headquartered in the United States as of September 2026 and tracks 18,748 professional contacts across them, including 4,047 with verified work emails. Elkhart is the largest hub.

This list covers thermoformed automotive plastic 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 19, 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 19, 2026 86% judged on-target in blind review

281Companies

18,748Contacts tracked

4,047Verified emails

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The 25 largest thermoformed automotive plastic manufacturers based in the United States

Ranked by team size

Top 25 of 281 thermoformed automotive plastic manufacturers based in the United States, ranked by team size, largest first. Data refreshed Sep 19, 2026. RevenueBase Smart Search rates how each company's information relates to thermoformed automotive plastic 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	Partial evidence	Southfield, MI, United StatesHQ checked Sep 19, 2026	5,001-10,000	5,634 contacts →
	Partial 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 19, 2026
2	SRG Global	Strong evidence	Troy, MI, United StatesHQ checked Sep 19, 2026	5,001-10,000	1,981 contacts →
	Strong 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 19, 2026
3	US Farathane	Strong evidence	Auburn Hills, MI, United StatesHQ checked Sep 19, 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 19, 2026
4	Ugn, INC	Indirect evidence	Downers Grove, IL, United StatesHQ checked Sep 19, 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 19, 2026
5	Brentwood Industries, INC	Strong evidence	Reading, PA, United StatesHQ checked Sep 19, 2026	501-1,000	637 contacts →
	Strong evidence “Brentwood is a leading provider of thermoformed plastic solutions to a wide variety of consumer, manufacturing, and environmental industries.” Source: RevenueBase Database · checked Sep 19, 2026
6	Royal Technologies Corp	Partial evidence	Hudsonville, MI, United StatesHQ checked Sep 19, 2026	1,001-5,000	492 contacts →
	Partial 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 19, 2026
7	Plaskolite	Indirect evidence	Columbus, OH, United StatesHQ checked Sep 19, 2026	1,001-5,000	448 contacts →
	Indirect evidence “PLASKOLITE is the catalyst for thermoplastic innovation that accelerates transformation.” Source: RevenueBase Database · checked Sep 19, 2026
8	KI Industries, INC	Strong evidence	Berkeley, IL, United StatesHQ checked Sep 19, 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 19, 2026
9	Montaplast Of North America	Indirect evidence	Frankfort, KY, United StatesHQ checked Sep 19, 2026	501-1,000	399 contacts →
	Indirect evidence “Founded in 1958 by Albert Stulz Sr.” Source: RevenueBase Database · checked Sep 19, 2026
10	Century Mold Co. INC	Strong evidence	Rochester, NY, United StatesHQ checked Sep 19, 2026	1,001-5,000	375 contacts →
	Strong evidence “Century Mold is a leading North American plastic injection molder who dominates the automotive industry.” Source: RevenueBase Database · checked Sep 19, 2026
11	Prent Corporation	Indirect evidence	Janesville, WI, United StatesHQ checked Sep 19, 2026	1,001-5,000	372 contacts →
	Indirect evidence “Welcome to Prent Corporation.” Source: RevenueBase Database · checked Sep 19, 2026
12	Tasus Corporation	Partial evidence	Bloomington, IN, United StatesHQ checked Sep 19, 2026	201-500	242 contacts →
	Partial 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 19, 2026
13	Chiyoda USA Corporation	Strong evidence	Greencastle, IN, United StatesHQ checked Sep 19, 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 19, 2026
14	Hanwha Advanced Materials America, LLC	Indirect evidence	Opelika, AL, United StatesHQ checked Sep 19, 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 19, 2026
15	Quantum Plastics	Partial evidence	Ft. Smith, AR, United StatesHQ checked Sep 19, 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 19, 2026
16	CIE USA	Strong evidence	Shelby Township, MI, United StatesHQ checked Sep 19, 2026	1,001-5,000	124 contacts →
	Strong 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 19, 2026
17	Miniature Precision Components	Indirect evidence	Walworth, WI, United StatesHQ checked Sep 19, 2026	10001+	118 contacts →
	Indirect evidence “Miniature Precision Components (MPC, Inc.) was originally founded in 1972 as a family business in Walworth, WI, having grown to over 1,500 employees operating in the United States…” Source: RevenueBase Database · checked Sep 19, 2026
18	Spencer Industries Incorporated	Partial evidence	Dale, IN, United StatesHQ checked Sep 19, 2026	201-500	94 contacts →
	Partial evidence “Thermoforming anything from a simple small Vacuumed Formed piece to an intricate Pressure Formed or Twin Sheet product is what we do!” Source: RevenueBase Database · checked Sep 19, 2026
19	Kendrick Plastics	Strong evidence	Grand Rapids, MI, United StatesHQ checked Sep 19, 2026	201-500	93 contacts →
	Strong evidence “Kendrick Plastics, headquartered in Grand Rapids, Michigan, is a leading Tier 1 and Tier 2 supplier of plastic decorative interior trim components and assemblies to the automotive…” Source: RevenueBase Database · checked Sep 19, 2026
20	Allied Plastics, LLC	Partial evidence	Twin Lakes, WI, United StatesHQ checked Sep 19, 2026	201-500	90 contacts →
	Partial evidence “Allied Plastics has the expertise to create your quality custom vacuum formed plastic components with quick turnarounds.” Source: RevenueBase Database · checked Sep 19, 2026
21	Alfmeier Friedrichs & Rath LLC	Indirect evidence	Greenville, SC, United StatesHQ checked Sep 19, 2026	201-500	90 contacts →
	Indirect evidence “In July of 2010, Alfmeier Friedrichs and Rath was formed to combine the strengths of Alfmeier Corporation and Friedrichs & Rath.” Source: RevenueBase Database · checked Sep 19, 2026
22	Mercury Plastics INC	Partial evidence	Chicago, IL, United StatesHQ checked Sep 19, 2026	51-200	89 contacts →
	Partial evidence “Mercury Plastics, Inc.” Source: RevenueBase Database · checked Sep 19, 2026
23	Advanced Decorative Systems	Strong evidence	Millington, MI, United StatesHQ checked Sep 19, 2026	501-1,000	81 contacts →
	Strong evidence “ADS is a global leader in the design and manufacture of decorative plastics for the automotive, medical and consumer markets.” Source: RevenueBase Database · checked Sep 19, 2026
24	Vantage Plastics	Strong evidence	Standish, MI, United StatesHQ checked Sep 19, 2026	201-500	78 contacts →
	Strong evidence “Established in 1996, Vantage Plastics is a family-owned leader in the plastic industry, specializing in custom thermoforming.” Source: RevenueBase Database · checked Sep 19, 2026
25	Belmont Engineered Plastics	Strong evidence	Belmont, MI, United StatesHQ checked Sep 19, 2026	51-200	74 contacts →
	Strong evidence “BEP is a manufacturer of injection molded, thermoformed and assembled products located near Grand Rapids, Michigan.” Source: RevenueBase Database · checked Sep 19, 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: thermoformed automotive plastic 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 thermoformed automotive plastic manufacturers.
Partial evidence: Its own public description names part of thermoformed automotive plastic manufacturers, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name thermoformed automotive plastic 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 281 thermoformed automotive plastic manufacturers based in the United States

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Thermoformed automotive plastic manufacturers based in the United States at a glance

As of Sep 19, 2026

21.6%Verified-email coverage

66.7Average contacts per company

11-50Median size (employees)

1.8%Largest-city concentration · Elkhart

Sep 19, 2026Page data refreshed

Companies by employee count

1-10

11-50

102

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 281 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 thermoformed automotive plastic 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 “thermoformed automotive plastic 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 thermoformed automotive plastic 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 thermoformed automotive plastic 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, 4,047 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 19, 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 thermoformed automotive plastic 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 thermoformed automotive plastic manufacturers are there based in the United States?

RevenueBase identified 281 thermoformed automotive plastic 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 thermoformed automotive plastic manufacturers?

Elkhart leads with 5 headquartered companies, followed by Batavia (4) and Auburn (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 4,047 verified decision-maker contacts tracked across these 281 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 19, 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.