Company lists · Data refreshed September 2026

Top 25 Automotive structural component suppliers based in the United States

RevenueBase identified 439 automotive structural component suppliers headquartered in the United States as of September 2026 and tracks 118,930 professional contacts across them, including 26,047 with verified work emails. Auburn Hills is the largest hub.

This list covers automotive structural component suppliers 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
439Companies
118,930Contacts tracked
26,047Verified emails
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The 25 largest automotive structural component suppliers based in the United States

Ranked by team size
Top 25 of 439 automotive structural component suppliers 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 automotive structural component suppliers: 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
1Partial evidenceSouthfield, MI, United StatesHQ checked Sep 30, 202610001+40,502 contacts →

Partial evidence

“Lear Corporation (NYSE: LEA) is a global automotive leader in Seating and E-Systems.”

Source: RevenueBase Database · checked Sep 30, 2026
2Partial evidenceDetroit, MI, United StatesHQ checked Sep 30, 202610001+7,954 contacts →

Partial evidence

“On February 3, 2026, Dauch Corporation (formerly American Axle & Manufacturing) acquired Dowlais Group plc and its subsidiaries – GKN Automotive and GKN Powder Metallurgy.”

Source: RevenueBase Database · checked Sep 30, 2026
3Strong evidenceSouthfield, MI, United StatesHQ checked Sep 30, 20265,001-10,0005,634 contacts →

Strong 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 30, 2026
4Partial evidenceCanton, MI, United StatesHQ checked Sep 30, 202610001+5,183 contacts →

Partial evidence

“Yazaki is a global leader in the research, development and delivery of vehicle power and data solutions for automotive applications.”

Source: RevenueBase Database · checked Sep 30, 2026
5Indirect evidenceUrbana, IL, United StatesHQ checked Sep 30, 202610001+4,298 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 30, 2026
6Strong evidenceTroy, MI, United StatesHQ checked Sep 30, 20265,001-10,0003,302 contacts →

Strong evidence

“Inteva Products is a leading global automotive supplier known for delivering innovative, reliable, environmentally friendly products that enhance vehicle quality, safety, and…”

Source: RevenueBase Database · checked Sep 30, 2026
7Partial evidenceTroy, MI, United StatesHQ checked Sep 30, 20265,001-10,0001,981 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 30, 2026
8Indirect evidenceWoodridge, IL, United StatesHQ checked Sep 30, 20261,001-5,0001,821 contacts →

Indirect evidence

“Magnus Hendrickson started manufacturing commercial trucks in 1913 to meet the demand for robust, durable vehicles.”

Source: RevenueBase Database · checked Sep 30, 2026
9Indirect evidenceNew Boston, MI, United StatesHQ checked Sep 30, 20265,001-10,0001,774 contacts →

Indirect evidence

“Tower International now AUTOKINITON!”

Source: RevenueBase Database · checked Sep 30, 2026
10Indirect evidenceGrand Haven, MI, United StatesHQ checked Sep 30, 20261,001-5,0001,636 contacts →

Indirect evidence

“We are thinkers, believers and doers.”

Source: RevenueBase Database · checked Sep 30, 2026
11Partial evidenceAuburn Hills, MI, United StatesHQ checked Sep 30, 20265,001-10,0001,495 contacts →

Partial evidence

“Dura-Shiloh is a global mobility systems supplier specializing in the design, engineering and manufacturing of solutions that drive the evolution of mobility.”

Source: RevenueBase Database · checked Sep 30, 2026
12Partial evidenceAuburn Hills, MI, United StatesHQ checked Sep 30, 20265,001-10,0001,456 contacts →

Partial evidence

“Henniges provides automotive original equipment manufacturers (OEMs) with sealing systems for doors, windows, trunks, lift gates, sunroofs and hoods.”

Source: RevenueBase Database · checked Sep 30, 2026
13Strong evidenceDayton, OH, United StatesHQ checked Sep 30, 20261,001-5,0001,427 contacts →

Strong evidence

“BWI Group: Empowering Smart Mobility BWI Group is a global automotive Tier-1 supplier with a legacy spanning more than a century and with the vision of Empowering Smart Mobility.”

Source: RevenueBase Database · checked Sep 30, 2026
14Indirect evidenceVancouver, WA, United StatesHQ checked Sep 30, 20265,001-10,0001,190 contacts →

Indirect evidence

“ConMet, a division of Amsted Industries, has been advancing the commercial vehicle industry since 1964.”

Source: RevenueBase Database · checked Sep 30, 2026
15Strong evidencePortage, MI, United StatesHQ checked Sep 30, 20261,001-5,0001,150 contacts →

Strong evidence

“Summit Polymers is a leading Tier 1 Automotive Supplier of automotive interior systems.”

Source: RevenueBase Database · checked Sep 30, 2026
16Strong evidenceSouthfield, MI, United StatesHQ checked Sep 30, 20261,001-5,000928 contacts →

Strong evidence

“Aludyne is a lightweighting solutions and components supplier to the mobility industry.”

Source: RevenueBase Database · checked Sep 30, 2026
17Indirect evidenceLivonia, MI, United StatesHQ checked Sep 30, 2026501-1,000906 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 30, 2026
18Indirect evidenceDowners Grove, IL, United StatesHQ checked Sep 30, 20261,001-5,000894 contacts →

Indirect evidence

“Founded in 1986 as a partnership between Nihon Tokushu Toryo Co.”

Source: RevenueBase Database · checked Sep 30, 2026
19Indirect evidencePontiac, MI, United StatesHQ checked Sep 30, 20261,001-5,000798 contacts →

Indirect evidence

“Passions Made Possible.”

Source: RevenueBase Database · checked Sep 30, 2026
20Strong evidenceSouthfield, MI, United StatesHQ checked Sep 30, 20261,001-5,000794 contacts →

Strong evidence

“Auria is a leading global supplier of highly engineered systems for automotive acoustics, textiles and cargo management for gas and electric vehicles.”

Source: RevenueBase Database · checked Sep 30, 2026
21Partial evidenceSouthfield, MI, United StatesHQ checked Sep 30, 20265,001-10,000765 contacts →

Partial evidence

“The Fujikura Group offers a wide range of automotive products, including wire-harnesses, several types of sensors, and electronic products.”

Source: RevenueBase Database · checked Sep 30, 2026
22Indirect evidenceNashville, TN, United StatesHQ checked Sep 30, 20261,001-5,000748 contacts →

Indirect evidence

“At Carlex, we know serving a car owner ultimately means better serving car manufacturers and designers and those who service and repair cars.”

Source: RevenueBase Database · checked Sep 30, 2026
23Strong evidenceAuburn Hills, MI, United StatesHQ checked Sep 30, 20265,001-10,000713 contacts →

Strong evidence

“Founded in 1870, Edscha has developed into the world’s largest automotive supplier of hinge systems.”

Source: RevenueBase Database · checked Sep 30, 2026
24Strong evidenceToledo, OH, United StatesHQ checked Sep 30, 2026n/a648 contacts →

Strong evidence

“OUR VISION Global market leader and trendsetter for offroad seating Leading global player for automotive interior components, seating for passenger and commercial vehicles and…”

Source: RevenueBase Database · checked Sep 30, 2026
25Indirect evidenceKentwood, MI, United StatesHQ checked Sep 30, 20261,001-5,000647 contacts →

Indirect evidence

“Lacks Enterprises, Inc.”

Source: RevenueBase Database · checked Sep 30, 2026

Showing 25 of 439 automotive structural component suppliers based in the United States

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Automotive structural component suppliers based in the United States at a glance

As of Sep 30, 2026
21.9%Verified-email coverage
270.9Average contacts per company
51-200Median size (employees)
3.4%Largest-city concentration · Auburn Hills
Sep 30, 2026Page data refreshed

Companies by employee count

1-10
82
11-50
87
51-200
86
201-500
62
501-1,000
41
1,001-5,000
54
5,001-10,000
18
10001+
8

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 439 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 automotive structural component suppliers, 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 “automotive structural component suppliers”. 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 automotive structural component suppliers), 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 automotive structural component suppliers, 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, 26,047 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 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 automotive structural component suppliers, 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 automotive structural component suppliers are there based in the United States?

RevenueBase identified 439 automotive structural component suppliers 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?

Lear Corporation, headquartered in Southfield, tops this list with the largest team on record.

Which city has the most automotive structural component suppliers?

Auburn Hills leads with 15 headquartered companies, followed by Southfield (13) and Troy (13).

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 26,047 verified decision-maker contacts tracked across these 439 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.