Company lists · Data refreshed September 2026
Top 17 Silicone encapsulant manufacturers based in the United States
RevenueBase identified 30 silicone encapsulant manufacturers headquartered in the United States as of September 2026 and tracks 406 professional contacts across them, including 170 with verified work emails. Mentor is the largest hub.
This list covers silicone encapsulant 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 18, 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 17 largest silicone encapsulant manufacturers based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 93 contacts → | ||||
Strong evidence “Novagard manufactures silicone sealants, coatings, lubricants, and foams for the electronics, transportation/automotive, manufacturing, construction, medical, and military markets.” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 2 | 55 contacts → | ||||
Indirect evidence “STR was founded in 1944 when two of the world's most prominent polymer scientists, John DeBell and Henry Richardson, started the first dedicated plastics research and development…” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 3 | 50 contacts → | ||||
Indirect evidence “Polymer Science is a custom compounder and coater for the electronics, medical device and pharmaceutical industries.” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 4 | 35 contacts → | ||||
Partial evidence “Plasma Ruggedized Solutions is a diversified global technology leader in the engineered application of advanced protective coatings and encapsulants.” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 5 | 26 contacts → | ||||
Strong evidence “Nagase ChemteX America Corp.(NCU) is a global formulator and manufacturer of adhesives, conductives and encapsulants serving the appliance, automotive, filter, lighting, solar…” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 6 | 19 contacts → | ||||
Partial evidence “We are a custom compounding sealant and adhesive manufacturer.” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 7 | 15 contacts → | ||||
Indirect evidence “Formulating innovative solutions propelled STAR Technology, Inc.” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 8 | 13 contacts → | ||||
Strong evidence “Astro Chemical manufactures specialized Coatings, Adhesives, Saturants and Encapsulants for Power Generation, Motors, Electrical Components, Energy Storage & Transmission…” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 9 | 12 contacts → | ||||
Indirect evidence “At QSR, a Datwyler company, we offer a diverse portfolio of system-critical elastomeric solutions designed to safeguard electrical connections in even the toughest environments.” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 10 | 8 contacts → | ||||
Partial evidence “The most efficient, reliable custom epoxy, silicone and urethane formulations on the market.” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 11 | 5 contacts → | ||||
Indirect evidence “Gt Products Inc is a chemicals company based out of 501 Industrial Blvd.” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 12 | 5 contacts → | ||||
Partial evidence “Established in 1989, Adaseal International has been recognized as one of America’s foremost suppliers in the Silicone RTV sealants and adhesives industry.” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 13 | 3 contacts → | ||||
Partial evidence “Silicone Solutions is a consulting and custom formulator of silicone adhesives, sealants, gels and coatings.” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 14 | 3 contacts → | ||||
Partial evidence “Resin Formulators, a division of GracoRoberts, is a manufacturer and formulator of high-quality custom formulations and off-the-shelf epoxy resin systems.” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 15 | 3 contacts → | ||||
Strong evidence “Zymet is a manufacturer of adhesives and encapsulants used in electronics and microelectronics assembly.” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 16 | 1 contacts → | ||||
Partial evidence “CDx is a professional Manufacturers Representative and Applications Engineering company in partnership with EFI Polymers, a custom formulator of epoxy and polyurethane potting &…” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 17 | 1 contacts → | ||||
Indirect evidence “WEVO CHEMICAL CORPORATION is dedicated to providing high-performance potting compounds, adhesives and sealants to the North American market.” Source: RevenueBase Database · checked Sep 18, 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: silicone encapsulant 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 silicone encapsulant manufacturers.
- Partial evidence
- Its own public description names part of silicone encapsulant manufacturers, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name silicone encapsulant 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 17 of 30 silicone encapsulant manufacturers based in the United States
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Silicone encapsulant manufacturers based in the United States at a glance
As of Sep 18, 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 30 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 silicone encapsulant 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 “silicone encapsulant 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 silicone encapsulant 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 silicone encapsulant 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, 170 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 18, 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 silicone encapsulant 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 silicone encapsulant manufacturers are there based in the United States?
RevenueBase identified 30 silicone encapsulant 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?
Novagard, headquartered in Cleveland, tops this list with the largest team on record.
Which city has the most silicone encapsulant manufacturers?
Mentor leads with 3 headquartered companies, followed by Ballston Lake (1) and Carson (1).
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 170 verified decision-maker contacts tracked across these 30 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 18, 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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