Company lists · Data refreshed September 2026
Top 25 Glass to metal seal manufacturers worldwide
RevenueBase identified 120 glass to metal seal manufacturers worldwide as of September 2026 and tracks 1,739 professional contacts across them, including 548 with verified work emails. The United States is the largest market and Berne the largest hub.
This list covers glass to metal seal manufacturers worldwide, 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. Country and city lists for glass to metal seal manufacturers follow the table.
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 glass to metal seal manufacturers worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 292 contacts → | ||||
Partial evidence “At Bal Seal Engineering, we custom-engineer sealing, connecting, conducting and shielding solutions that improve the performance and reliability of equipment used everywhere -…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 2 | 194 contacts → | ||||
Indirect evidence “Since 1975, MDC has been a world leader in delivering the performance, precision and purity to meet the most stringent manufacturing requirements of customers in the research…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 3 | 153 contacts → | ||||
Partial evidence “Sur-Seal goes the extra mile to solve the toughest challenges around the world of sealing.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 4 | 49 contacts → | ||||
Partial evidence “At Novotema we manufacture fully customized elastomeric sealing solutions: we assist the customer throughout the whole process, from the co-design of the gasket to the…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 5 | 48 contacts → | ||||
Strong evidence “Flexaseal Engineered Seals and Systems, LLC began in 1983 primarily as a manufacturer of welded metal bellows seals, dealing with a limited distributor base in the United States.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 6 | 44 contacts → | ||||
Strong evidence “JETSEAL, Inc is an industry leader of high quality resilient metal seals.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 7 | 38 contacts → | ||||
Indirect evidence “Raycom Engineering Systems is strategically located in the heart of the Dubai Silicon Oasis and operating from a square feet, purpose-built and unique regional manufacturing and…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 8 | 34 contacts → | ||||
Indirect evidence “SPETECH® has been in the industrial sealing systems for 30 years.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 9 | 28 contacts → | ||||
Strong evidence “SEVAL: Your Trusted Partner for High-Performance Seals and Gaskets (Since 1973) For over 50 years, SEVAL has been a leading Italian manufacturer of innovative sealing solutions.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 10 | 26 contacts → | ||||
Indirect evidence “We provide cable and pipe sealing solutions for a wide range of applications within many different industries.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 11 | 23 contacts → | ||||
Partial evidence “Solid Sealing Technology designs and manufactures essential electrical components for today’s high-tech world.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 12 | 22 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 13 | 21 contacts → | ||||
Indirect evidence “MICRONOR évolue dans plusieurs domaines :*la galvanoplastie technique industrielle *la dorure décorative *la fabrication de liaisons hermétiques sur cahier des charges clients par…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 14 | 20 contacts → | ||||
Partial evidence “APM HEXSEAL was founded in 1947 with a mission to develop and manufacture environmental sealing solutions to protect and prolong the life of electromechanical switches and circuit…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 15 | 20 contacts → | ||||
Partial evidence “C-ITECH is an industrial innovation group with over 70 years of manufacturing expertise, dedicated to advancing sustainable, high-performance solutions in specialty glass and…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 16 | 15 contacts → | ||||
Strong evidence “Founded in 1988, IJ Research is a premium manufacturer of ceramic-to-metal seals.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 17 | 14 contacts → | ||||
Indirect evidence “Aeroseals is a leading provider of precision-engineered elastomer solutions for the global aerospace industry.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 18 | 14 contacts → | ||||
Indirect evidence “Northeast Electronics Corporation is a full service Engineering Company offering expert services in Designing, Developing, and Manufacturing High Reliability, Precision…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 19 | 12 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 20 | 11 contacts → | ||||
Strong evidence “BC-TECH develops and manufactures glass-to-metal feedthroughs that are used whenever high-accuracy measurement is required – from gas and oil up to aerospace.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 21 | 10 contacts → | ||||
Indirect evidence “Pyramid Engineering Services is specialised in delivering turn-key and customized hermetic sealing equipment for the most demanding industries since 1989.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 22 | 10 contacts → | ||||
Indirect evidence “We are an Australian-owned business with over 35 years of experience in the industry.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 23 | 10 contacts → | ||||
Strong evidence “KSM Vacuum Products Inc, in Sunnyvale, CA, is the North American Headquarters for KSM Corporation a global leader and manufacturer in WELDED METAL BELLOWS products & other UHV…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 24 | 9 contacts → | ||||
Indirect evidence “EVAC ist der führende Lieferant von Dichtungstechnologien.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 25 | 8 contacts → | ||||
Indirect evidence “Hermetron is a one stop shop for design, manufacturing and testing for hermetic solutions and packages.” Source: RevenueBase Database · checked Sep 30, 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: glass to metal seal 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 glass to metal seal manufacturers.
- Partial evidence
- Its own public description names part of glass to metal seal manufacturers, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name glass to metal seal 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 120 glass to metal seal manufacturers worldwide
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Glass to metal seal manufacturers worldwide at a glance
As of Sep 30, 2026Companies by employee count
Email recency is reported on each country list linked below.
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 glass to metal seal 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.
- Coverage
- Every country. Country and city lists for glass to metal seal manufacturers are linked below.
- What qualifies
- Companies worldwide whose own description of what they do matches “glass to metal seal 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 glass to metal seal 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 glass to metal seal manufacturers, and records with no verified work email.
- 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, 548 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.
Glass to metal seal manufacturers by location
1 lists · largest firstEvery Glass to metal seal manufacturers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
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 glass to metal seal 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 glass to metal seal manufacturers are there worldwide?
RevenueBase identified 120 glass to metal seal manufacturers worldwide 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?
BAL Seal Engineering, headquartered in Foothill Ranch, tops this list with the largest team on record.
Which country has the most glass to metal seal manufacturers?
The United States leads with 43 companies. Every glass to metal seal manufacturers list by country and city is linked on this page.
Which city has the most glass to metal seal manufacturers?
Berne leads with 2 headquartered companies, followed by Burbank (2) and Klosterneuburg (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 548 verified decision-maker contacts tracked across these 120 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.