Company lists · Data refreshed September 2026
Top 25 Specialty glass manufacturers based in the United States
RevenueBase identified 875 specialty glass manufacturers headquartered in the United States as of September 2026 and tracks 38,388 professional contacts across them, including 9,671 with verified work emails. New York is the largest hub.
This list covers specialty glass 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 25 largest specialty glass manufacturers based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 17,702 contacts → | ||||
Indirect evidence “Corning is one of the world's leading innovators in materials science, with a 170+ year track record of life-changing inventions.” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 2 | 3,633 contacts → | ||||
Indirect evidence “Guardian Industries, a global company headquartered in Auburn Hills, Michigan, operates facilities throughout North and South America, Europe, Africa, the Middle East, and Asia.” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 3 | 1,184 contacts → | ||||
Partial evidence “TRULITE GLASS & ALUMINUM SOLUTIONS is one of North America's largest architectural glass and aluminum fabricators and distributors.” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 4 | 1,010 contacts → | ||||
Indirect evidence “Since 1818, Libbey has been the vanguard of artistry and innovation in glassmaking.” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 5 | 748 contacts → | ||||
Partial evidence “At Carlex, we know serving a car owner ultimately means better serving car manufacturers and designers and those who service and repair cars.” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 6 | 518 contacts → | ||||
Partial evidence “Mygrant Glass is headquartered in Hayward, Ca, and is committed to maintaining the highest standard of service and the most extensive inventories possible.” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 7 | 487 contacts → | ||||
Strong evidence “AGC Glass is one of the largest manufacturers of glass and glass-related products in North America, offering a broad range of glazing solutions for commercial, residential…” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 8 | 481 contacts → | ||||
Partial evidence “Please See Vitro Automotive Glass*” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 9 | 396 contacts → | ||||
Indirect evidence “Here at Walters & Wolf, we have always been about our people, our performance, and our quality because we care about you and your next big idea!” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 10 | 333 contacts → | ||||
Partial evidence “Hartung Glass Industries is one of the fastest growing, most dynamic, total service glass companies in North America.” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 11 | 325 contacts → | ||||
Strong evidence “AGY is a leading innovator and manufacturer of specialty glass fibers enabling high-performance composite solutions for aviation, defense, electronics, artificial intelligence…” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 12 | 273 contacts → | ||||
Strong evidence “Anchor Glass Container Corporation, headquartered in Tampa, Florida, is a leading North American manufacturer of premium glass containers with six, strategically-located…” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 13 | 232 contacts → | ||||
Strong evidence “Gallo Glass, established in 1958, is a state-of-the-art highly-innovative glass manufacturer committed to meeting the needs of its customers while minimizing its impact on the…” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 14 | 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 18, 2026Thanks. The Data Team will review it. | |||||
| 15 | 182 contacts → | ||||
Strong evidence “HMI is a leading American manufacturer of custom glass and shower enclosure systems serving residential, hospitality, multifamily, and commercial markets nationwide.” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 16 | 172 contacts → | ||||
Partial evidence “Custom Glass Solutions was formed to meet the glass needs of diverse industries.” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 17 | 170 contacts → | ||||
Partial evidence “Rochester Precision Optics (RPO) is a world-class vertically-integrated manufacturer of precision optical product solutions headquartered in the Greater Rochester, NY area.” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 18 | 151 contacts → | ||||
Partial evidence “Tru Vue is a manufacturer of high performance glazing products for the custom picture framing, museum, photography and engineered optics markets.” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 19 | 144 contacts → | ||||
Strong evidence “General Glass International (GGI) is a trusted leader in specialty architectural and decorative glass solutions serving customers across North America.” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 20 | 140 contacts → | ||||
Strong evidence “Glasstech, Inc, is the world's leading manufacturer of glass bending and tempering technology for the solar, automotive and architectural glass markets.” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 21 | 106 contacts → | ||||
Partial evidence “McGrory Glass Systems is a leading glass fabricator and consultant to the Architectural industry.” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 22 | 105 contacts → | ||||
Strong evidence “Since 1980, Technical Glass Products (TGP) has been supplying specialized glazing materials and systems for commercial and institutional buildings.” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 23 | 98 contacts → | ||||
Strong evidence “We are the only flexible and efficient glass container manufacturer in the United States.” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 24 | 91 contacts → | ||||
Strong evidence “Headquartered in Atlanta, American Insulated Glass is a leading glass fabricator and wholesale distributor, specializing in providing high-quality insulated, laminated, tempered…” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 25 | 87 contacts → | ||||
Partial evidence “Press Glass Inc.” 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: specialty glass 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 specialty glass manufacturers.
- Partial evidence
- Its own public description names part of specialty glass manufacturers, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name specialty glass 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 875 specialty glass manufacturers based in the United States
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Specialty glass 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 875 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 specialty glass 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 “specialty glass 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 specialty glass 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 specialty glass 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, 9,671 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 specialty glass 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 specialty glass manufacturers are there based in the United States?
RevenueBase identified 875 specialty glass 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?
Corning Incorporated, headquartered in Corning, tops this list with the largest team on record.
Which city has the most specialty glass manufacturers?
New York leads with 22 headquartered companies, followed by Houston (15) and Vineland (12).
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 9,671 verified decision-maker contacts tracked across these 875 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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