Company lists · Data refreshed September 2026
Top 25 Fused silica manufacturers worldwide
RevenueBase identified 278 fused silica manufacturers worldwide as of September 2026 and tracks 3,266 professional contacts across them, including 1,045 with verified work emails. The United States is the largest market and Fuzhou the largest hub.
This list covers fused silica 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 fused silica 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 fused silica manufacturers worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 248 contacts → | ||||
Indirect evidence “Momentive Technologies delivers purity that inspires progress.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 2 | 209 contacts → | ||||
Partial evidence “We are Tosoh Quartz, Inc.(TQI), the world's leading manufacturer of quartz glassware for the semiconductor industry.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 3 | 152 contacts → | ||||
Indirect evidence “In 2011, Imerys Minerals and Norsk Minerals merged their key production plants-Spruce Pines, North Carolina, and Drag, Norway-to form The Quartz Corp (TQC).” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 4 | 65 contacts → | ||||
Partial evidence “Incom is the world’s largest supplier of glass and polymer fused fiber optic solutions that enable innovation in the medical, scientific, display and defense industries.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 5 | 60 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 6 | 59 contacts → | ||||
Indirect evidence “Optics - Assemblies - Laser Products REO, an Excelitas Technologies Company, sets today’s standards for precision in optical components and assemblies with solutions that are…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 7 | 58 contacts → | ||||
Indirect evidence “Abrisa Technologies is a global leader in specialty glass fabrication and precision optical thin-film coatings, serving diverse industries including aerospace, defense, medical…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 8 | 52 contacts → | ||||
Partial evidence “Hardin Optical Company manufactures precision optical components for industrial and defense customers.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 9 | 46 contacts → | ||||
Partial evidence “Saint-Gobain Advanced Ceramic Composites, previously known as Saint-Gobain Quartz or Quartz & Silice, has over 100 years of experience, manufacturing and supplying a wide range of…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 10 | 46 contacts → | ||||
Indirect evidence “Sydor Optics is the world leader for processing and delivering high quality, precision flat-surfaced, parallel and wedged glass optical components for a wide array of industries.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 11 | 45 contacts → | ||||
Indirect evidence “QQE supplies a diverse array of precision machined high purity quartz products, from simple discs and flanges to highly complex and tight tolerance components, used by industry…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 12 | 44 contacts → | ||||
Strong evidence “PowerPhotonic are industry leading experts in high precision low loss fused silica optics for beam/image optimization.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 13 | 43 contacts → | ||||
Partial evidence “United Lens Company (ULC) is a vertically integrated custom manufacturer of Optical Thin Film Coatings, Ground and Polished Optics, and Precision Machined and Hand Molded Optical…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 14 | 41 contacts → | ||||
Partial evidence “Innovative optical fiber solutions for industrial and medical applications We specialize in the production of silica optical fibers, as well as assembled optical fiber cables and…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 15 | 40 contacts → | ||||
Indirect evidence “Inrad Optics fabricates optical materials to exacting quality standards and incorporates those materials into advanced optical components, assemblies and systems.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 16 | 40 contacts → | ||||
Indirect evidence “Hayward Quartz Technology, Inc, founded in 1984, is a leading supplier supporting all major OEM's in the semiconductor business segment.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 17 | 40 contacts → | ||||
Partial evidence “Our Mission Statement:"To be the leading high-precision manufacturer of complete optical solutions for mission-critical applications." Lattice Materials specialises in the…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 18 | 38 contacts → | ||||
Partial evidence “LTD Material, LLC provides an extensive range of products used by the leading semiconductor manufacturers and quartz fabrication companies in North America, Europe and Asia.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 19 | 35 contacts → | ||||
Indirect evidence “Precision Optical Components for Applications that meet the most demanding human drivers.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 20 | 31 contacts → | ||||
Partial evidence “Gavish is a world leader as a sapphire optics manufacturer by providing quality sapphire components.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 21 | 30 contacts → | ||||
Indirect evidence “Here at Knight Optical, we enable pioneers to harness the power of photonics.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 22 | 30 contacts → | ||||
Indirect evidence “Prisms India Private Limited is into development & manufacturing of an array of high scientific components.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 23 | 29 contacts → | ||||
Partial evidence “PFG Precision Optics is a leading manufacturer of high-end optical components, assemblies, and thin-film coatings.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 24 | 27 contacts → | ||||
Partial evidence “INGENERIC develops and manufactures optical components for high-power applications as well as optical systems for scientific research, medical and metrology applications and…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 25 | 27 contacts → | ||||
Indirect evidence “IRD Glass is a world-class supplier of precision glass, optical, and ceramic components.” 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: fused silica 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 fused silica manufacturers.
- Partial evidence
- Its own public description names part of fused silica manufacturers, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name fused silica 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 278 fused silica manufacturers worldwide
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Fused silica 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 fused silica 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 fused silica manufacturers are linked below.
- What qualifies
- Companies worldwide whose own description of what they do matches “fused silica 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 fused silica 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 fused silica 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, 1,045 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.
Fused silica manufacturers by location
2 lists · largest firstEvery Fused silica 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 fused silica 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 fused silica manufacturers are there worldwide?
RevenueBase identified 278 fused silica 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?
Momentive Technologies, headquartered in Strongsville, tops this list with the largest team on record.
Which country has the most fused silica manufacturers?
The United States leads with 92 companies, followed by Germany (29). Every fused silica manufacturers list by country and city is linked on this page.
Which city has the most fused silica manufacturers?
Fuzhou leads with 6 headquartered companies, followed by Lianyungang (5) and Aachen (3).
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 1,045 verified decision-maker contacts tracked across these 278 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.