Company lists · Data refreshed September 2026

Top 21 Automotive weatherstripping manufacturers based in the United States

RevenueBase identified 48 automotive weatherstripping manufacturers headquartered in the United States as of September 2026 and tracks 2,656 professional contacts across them, including 610 with verified work emails. Buena Park is the largest hub.

This list covers automotive weatherstripping 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
48Companies
2,656Contacts tracked
610Verified emails
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The 21 largest automotive weatherstripping manufacturers based in the United States

Ranked by team size
Top 21 of 48 automotive weatherstripping 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 automotive weatherstripping 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.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Strong evidenceAuburn Hills, MI, United StatesHQ checked Sep 16, 20265,001-10,0001,456 contacts →

Strong 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 16, 2026
2Indirect evidenceGrand Rapids, United StatesHQ checked Sep 16, 20261,001-5,000291 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
3Partial evidenceMemphis, TN, United StatesHQ checked Sep 16, 2026201-500103 contacts →

Partial evidence

“Since 1935, National Guard Products has been manufacturing the finest weatherstripping and threshold products, as well as a lite kit and louver line for steel and wood doors.”

Source: RevenueBase Database · checked Sep 16, 2026
4Partial evidenceDover, OH, United StatesHQ checked Sep 16, 2026201-50082 contacts →

Partial evidence

“Meteor Sealing Systems LLC is an automotive supplier for complex EPDM sealing systems based out of 400 S Tuscarawas Ave, Dover, OH, United States.”

Source: RevenueBase Database · checked Sep 16, 2026
5Indirect evidenceBuena Park, CA, United StatesHQ checked Sep 16, 2026201-50072 contacts →

Indirect evidence

“Trim-Lok is a respected leader in the manufacturing of American-made, high-quality, and competitively priced trims and seals.”

Source: RevenueBase Database · checked Sep 16, 2026
6Indirect evidenceTomball, TX, United StatesHQ checked Sep 16, 202651-20032 contacts →

Indirect evidence

“Hoelscher Doors 2400 S.”

Source: RevenueBase Database · checked Sep 16, 2026
7Partial evidenceTomball, TX, United StatesHQ checked Sep 16, 202651-20021 contacts →

Partial evidence

“Eagle Gasket has been a leading manufacturer of gaskets, industrial seals, and compression-molded plastics for 30 years.”

Source: RevenueBase Database · checked Sep 16, 2026
8Indirect evidenceSouth Bend, IN, United StatesHQ checked Sep 16, 202611-5020 contacts →

Indirect evidence

“Since 1978 Clean Seal, Inc.”

Source: RevenueBase Database · checked Sep 16, 2026
9Partial evidenceMahwah, NJ, United StatesHQ checked Sep 16, 2026501-1,00014 contacts →

Partial evidence

“For more than 60 years, Frost King has been the nation's #1 and most trusted brand of packaged weatherstripping.”

Source: RevenueBase Database · checked Sep 16, 2026
10Strong evidenceHarrison, OH, United StatesHQ checked Sep 16, 202611-5012 contacts →

Strong evidence

“SoffSeal is an industry-leading manufacturer with three decades of experience in supplying weatherstrip and detail items for a large variety of automotive and OE applications.”

Source: RevenueBase Database · checked Sep 16, 2026
11Indirect evidenceMinneapolis, MN, United StatesHQ checked Sep 16, 202611-5011 contacts →

Indirect evidence

“Four generations.”

Source: RevenueBase Database · checked Sep 16, 2026
12Indirect evidenceRosemount, MN, United StatesHQ checked Sep 16, 202611-507 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 16, 2026
13Indirect evidenceLas Vegas, NV, United StatesHQ checked Sep 16, 20261-107 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 16, 2026
14Partial evidenceCedar Rapids, IA, United StatesHQ checked Sep 16, 202611-506 contacts →

Partial evidence

“Fusion is the premier provider of comprehensive sealing solutions for original equipment manufacturers in the central United States.”

Source: RevenueBase Database · checked Sep 16, 2026
15Indirect evidencePortsmouth, NH, United StatesHQ checked Sep 16, 20261-104 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 16, 2026
16Indirect evidenceMiami, United StatesHQ checked Sep 16, 2026201-5004 contacts →

Indirect evidence

“We are engineering specialists in custom rubber and thermoplastic sealing solutions.”

Source: RevenueBase Database · checked Sep 16, 2026
17Indirect evidenceModesto, CA, United StatesHQ checked Sep 16, 20261-104 contacts →

Indirect evidence

“Boyd is a global leader in engineered rubber, plastic, metal/flexible environmental sealing, energy mgmt.”

Source: RevenueBase Database · checked Sep 16, 2026
18Indirect evidenceUpper Sandusky, OH, United StatesHQ checked Sep 16, 202651-2003 contacts →

Indirect evidence

“UNI GRIP, INC is a company based out of Upper Sandusky, Ohio, United States.”

Source: RevenueBase Database · checked Sep 16, 2026
19Indirect evidenceGrand Rapids, MI, United StatesHQ checked Sep 16, 20261-103 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 16, 2026
20Indirect evidencePequot Lakes, MN, United StatesHQ checked Sep 16, 20261-102 contacts →

Indirect evidence

“Since 1978 DSI has been proudly manufacturing The Original Dortite® & Dortite Xtra® Sponge Rubber Weather Stripping in the USA.”

Source: RevenueBase Database · checked Sep 16, 2026
21Indirect evidenceWarren, MI, United StatesHQ checked Sep 16, 20261-102 contacts →

Indirect evidence

“Shop now for Mopar & AMC restoration body gaskets.”

Source: RevenueBase Database · checked Sep 16, 2026

Showing 21 of 48 automotive weatherstripping manufacturers based in the United States

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Automotive weatherstripping manufacturers based in the United States at a glance

As of Sep 16, 2026
23.0%Verified-email coverage
55.3Average contacts per company
11-50Median size (employees)
4.2%Largest-city concentration · Buena Park
Sep 16, 2026Page data refreshed

Companies by employee count

1-10
15
11-50
15
51-200
7
201-500
6
501-1,000
2
1,001-5,000
2
5,001-10,000
1

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 48 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 weatherstripping 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 “automotive weatherstripping 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 automotive weatherstripping 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 automotive weatherstripping 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, 610 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 automotive weatherstripping 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 automotive weatherstripping manufacturers are there based in the United States?

RevenueBase identified 48 automotive weatherstripping 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?

Henniges Automotive, headquartered in Auburn Hills, tops this list with the largest team on record.

Which city has the most automotive weatherstripping manufacturers?

Buena Park leads with 2 headquartered companies, followed by Grand Rapids (2) and Tomball (2).

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 610 verified decision-maker contacts tracked across these 48 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.