Company lists · Data refreshed September 2026
Top 25 Automotive silicone parts manufacturers based in the United States
RevenueBase identified 147 automotive silicone parts manufacturers headquartered in the United States as of September 2026 and tracks 4,768 professional contacts across them, including 1,417 with verified work emails. Fort Wayne is the largest hub.
This list covers automotive silicone 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.
The 25 largest automotive silicone parts manufacturers based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 1,456 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, 2026Thanks. The Data Team will review it. | |||||
| 2 | 246 contacts → | ||||
Partial evidence “Wolverine Advanced Materials is a leading developer and manufacturer of high-performance materials.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 3 | 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, 2026Thanks. The Data Team will review it. | |||||
| 4 | 151 contacts → | ||||
Partial evidence “Established in 1919 by Thomas Kirk Hill, Kirkhill, Inc, is a leading diversified manufacturer of highly engineered, organic, and in-organic elastomer based products.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 5 | 115 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 6 | 95 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 7 | 88 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 8 | 88 contacts → | ||||
Partial evidence “Jamak is at the forefront of silicone rubber manufacturing.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 9 | 82 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, 2026Thanks. The Data Team will review it. | |||||
| 10 | 78 contacts → | ||||
Indirect evidence “ILPEA is a plastics company based out of 2500 LYNCH RD, EVANSVILLE, Indiana, United States.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 11 | 78 contacts → | ||||
Indirect evidence “Nishikawa Cooper LLC is a company based out of Topeka, Bremen and Fort Wayne, Indiana, United States.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 12 | 73 contacts → | ||||
Indirect evidence “We specialize in solving problems and saving money for our customers.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 13 | 72 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, 2026Thanks. The Data Team will review it. | |||||
| 14 | 70 contacts → | ||||
Indirect evidence “Founded in 1977, Martin Fluid Power includes five distribution locations in the US, plus locations in England and Taiwan.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 15 | 70 contacts → | ||||
Partial evidence “Precision Associates, Inc.(PAI) is a leading American manufacturer of high-performance sealing solutions and precision-molded rubber products, including USP Class VI and…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 16 | 67 contacts → | ||||
Partial evidence “HGC Industries, a worldwide leader in sealing and stamping solutions, designs and manufactures gaskets, seals, and fabrications.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 17 | 64 contacts → | ||||
Indirect evidence “Custom and Standard Seals, Products and Solutions Our knowledgeable team at Hercules OEM provides engineering design solutions for a diverse group of markets and applications.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 18 | 64 contacts → | ||||
Partial evidence “VRC Engineered Solutions (VRC) is a leading value-added manufacturer of custom molded rubber, plastic, and sealing components serving customers primarily in the aerospace and…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 19 | 63 contacts → | ||||
Indirect evidence “Stockwell Elastomerics, Inc.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 20 | 62 contacts → | ||||
Partial evidence “Cometic Gasket, Inc, is a leading worldwide supplier of shelf-stock, custom and short-run gaskets for the performance, automotive, powersports, original equipment and…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 21 | 57 contacts → | ||||
Strong evidence “SIMTEC is a leading, US-based manufacturer of Liquid Silicone Rubber (LSR) Single-Shot, Two-Shot, and Multi-Shot (LSR/Thermoplastics/Metal) injection molded components.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 22 | 49 contacts → | ||||
Indirect evidence “Morgan Polymer Seals is a high-volume precision rubber molding company, founded by Kevin Morgan in 1997.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 23 | 48 contacts → | ||||
Indirect evidence “Our mission is to find better ways to generate sustained success for our customers, team members and suppliers by continually advancing our engineering, quality and manufacturing…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 24 | 47 contacts → | ||||
Indirect evidence “With more than forty years of polymer seal and gasket experience, Lauren Mfg is well qualified as your single, integrated source for high-tech molded and extruded polymer…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 25 | 45 contacts → | ||||
Indirect evidence “At Marco Rubber & Plastics, we are experts in solving complex sealing challenges, and we never settle for anything but the right sealing solution for our customers.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
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: automotive silicone 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 automotive silicone parts manufacturers.
- Partial evidence
- Its own public description names part of automotive silicone parts manufacturers, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name automotive silicone 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 147 automotive silicone parts manufacturers based in the United States
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Automotive silicone parts manufacturers based in the United States at a glance
As of Sep 16, 2026Companies by employee count
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 147 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 silicone 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 “automotive silicone 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 automotive silicone 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 automotive silicone 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, 1,417 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 silicone 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 automotive silicone parts manufacturers are there based in the United States?
RevenueBase identified 147 automotive silicone 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?
Henniges Automotive, headquartered in Auburn Hills, tops this list with the largest team on record.
Which city has the most automotive silicone parts manufacturers?
Fort Wayne leads with 3 headquartered companies, followed by Indianapolis (3) and Beaverton (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 1,417 verified decision-maker contacts tracked across these 147 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.
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